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authorM. Mohan Kumar <mohan@in.ibm.com>2013-11-13 22:44:42 +0530
committerAnand Avati <avati@redhat.com>2013-11-13 11:38:28 -0800
commit15a8ecd9b3eedf80881bd3dba81f16b7d2cb7c97 (patch)
tree856377a3f077ac4ea5cb9db2950210c8d9f30fb1 /xlators/storage
parentc1109ed6c6c7bff0df22c304158e9f392f83cf59 (diff)
bd_map: Remove bd_map xlator
Remove bd_map xlator and CLI related changes. Change-Id: If7086205df1907127c1a1fa4ba603f1c48421d09 BUG: 1028672 Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com> Reviewed-on: http://review.gluster.org/5747 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/storage')
-rw-r--r--xlators/storage/Makefile.am3
-rw-r--r--xlators/storage/bd_map/Makefile.am3
-rw-r--r--xlators/storage/bd_map/src/Makefile.am21
-rw-r--r--xlators/storage/bd_map/src/bd_map.c2580
-rw-r--r--xlators/storage/bd_map/src/bd_map.h82
-rw-r--r--xlators/storage/bd_map/src/bd_map_help.c501
-rw-r--r--xlators/storage/bd_map/src/bd_map_help.h69
7 files changed, 0 insertions, 3259 deletions
diff --git a/xlators/storage/Makefile.am b/xlators/storage/Makefile.am
index e1316a12702..5e3ed0eb93b 100644
--- a/xlators/storage/Makefile.am
+++ b/xlators/storage/Makefile.am
@@ -1,6 +1,3 @@
SUBDIRS = posix
-if ENABLE_BD_XLATOR
-SUBDIRS += bd_map
-endif
CLEANFILES =
diff --git a/xlators/storage/bd_map/Makefile.am b/xlators/storage/bd_map/Makefile.am
deleted file mode 100644
index a985f42a877..00000000000
--- a/xlators/storage/bd_map/Makefile.am
+++ /dev/null
@@ -1,3 +0,0 @@
-SUBDIRS = src
-
-CLEANFILES =
diff --git a/xlators/storage/bd_map/src/Makefile.am b/xlators/storage/bd_map/src/Makefile.am
deleted file mode 100644
index 91412e91d9a..00000000000
--- a/xlators/storage/bd_map/src/Makefile.am
+++ /dev/null
@@ -1,21 +0,0 @@
-
-if ENABLE_BD_XLATOR
-xlator_LTLIBRARIES = bd_map.la
-xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/storage
-
-bd_map_la_LDFLAGS = -module -avoid-version
-LIBBD = -llvm2app -lrt
-bd_map_la_SOURCES = bd_map.c bd_map_help.c
-bd_map_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la $(LIBBD)
-
-noinst_HEADERS = bd_map.h bd_map_help.h
-
-AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \
- -I$(top_srcdir)/rpc/xdr/src \
- -I$(top_srcdir)/rpc/rpc-lib/src
-
-AM_CFLAGS = -fno-strict-aliasing -Wall $(GF_CFLAGS)
-
-CLEANFILES =
-
-endif
diff --git a/xlators/storage/bd_map/src/bd_map.c b/xlators/storage/bd_map/src/bd_map.c
deleted file mode 100644
index 9c8f69c6488..00000000000
--- a/xlators/storage/bd_map/src/bd_map.c
+++ /dev/null
@@ -1,2580 +0,0 @@
-/*
- BD translator - Exports Block devices on server side as regular
- files to client
-
- Now only exporting Logical volumes supported.
-
- Copyright IBM, Corp. 2012
-
- This file is part of GlusterFS.
-
- Author:
- M. Mohan Kumar <mohan@in.ibm.com>
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include <time.h>
-#include <lvm2app.h>
-#include <openssl/md5.h>
-
-#include "bd_map.h"
-#include "bd_map_help.h"
-#include "defaults.h"
-#include "glusterfs3-xdr.h"
-#include "run.h"
-#include "protocol-common.h"
-
-/* Regular fops */
-
-int
-bd_access (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t mask, dict_t *xdict)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- char path[PATH_MAX] = {0, };
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (loc, out);
-
- sprintf (path, "/dev/mapper/%s", loc->path);
- op_ret = access (path, mask & 07);
- if (op_ret == -1) {
- op_errno = errno;
- gf_log (this->name, GF_LOG_ERROR, "access failed on %s: %s",
- loc->path, strerror (op_errno));
- goto out;
- }
- op_ret = 0;
-out:
- STACK_UNWIND_STRICT (access, frame, op_ret, op_errno, NULL);
-
- return 0;
-}
-
-#define LV_RENAME "/sbin/lvrename"
-
-int bd_rename (call_frame_t *frame, xlator_t *this,
- loc_t *oldloc, loc_t *newloc, dict_t *xdict)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- char *new_path = NULL;
- char *np = NULL;
- struct iatt stbuf = {0, };
- struct iatt preoldparent = {0, };
- struct iatt postoldparent = {0, };
- struct iatt prenewparent = {0, };
- struct iatt postnewparent = {0, };
- bd_priv_t *priv = NULL;
- bd_entry_t *lventry = NULL;
- bd_entry_t *newp_entry = NULL;
- char *path = NULL;
- struct stat v_stat = {0, };
- runner_t runner = {0, };
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (oldloc, out);
- VALIDATE_OR_GOTO (newloc, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- BD_ENTRY (priv, lventry, oldloc->path);
- if (lventry->refcnt > 1) {
- op_errno = EBUSY;
- goto out;
- }
-
- memcpy (&preoldparent, lventry->parent->attr, sizeof(preoldparent));
-
- new_path = np = gf_strdup (newloc->path);
- if (!new_path)
- goto out;
- new_path = strrchr (np, '/');
- if (!new_path) {
- op_errno = EINVAL;
- goto out;
- }
-
- *new_path = '\0';
- BD_ENTRY (priv, newp_entry, np);
-
- memcpy (&prenewparent, newp_entry->parent->attr, sizeof(preoldparent));
-
- runinit (&runner);
-
- runner_add_args (&runner, LV_RENAME, NULL);
- runner_add_args (&runner, lventry->parent->name, NULL);
- runner_add_args (&runner, oldloc->name, NULL);
- runner_add_args (&runner, newloc->name, NULL);
-
- runner_start (&runner);
- runner_end (&runner);
-
- /* verify */
- gf_asprintf (&path, "/dev/%s", newloc->path);
- if (stat (path, &v_stat) < 0) {
- op_errno = EIO;
- goto out;
- }
- BD_ENTRY_UPDATE_MTIME (lventry);
- BD_ENTRY_UPDATE_MTIME (newp_entry);
- memcpy (&postoldparent, lventry->parent->attr, sizeof(postoldparent));
- memcpy (&postnewparent, newp_entry->parent->attr,
- sizeof(postoldparent));
- BD_WR_LOCK (&priv->lock);
- strncpy (lventry->name, newloc->name, sizeof(lventry->name));
- memcpy (&stbuf, lventry->attr, sizeof(stbuf));
- BD_UNLOCK (&priv->lock);
- op_ret = 0;
-out:
- if (lventry)
- BD_PUT_ENTRY (priv, lventry);
- if (newp_entry)
- BD_PUT_ENTRY (priv, newp_entry);
- if (np)
- GF_FREE (np);
- if (path)
- GF_FREE (path);
-
- STACK_UNWIND_STRICT (rename, frame, op_ret, op_errno, &stbuf,
- &preoldparent, &postoldparent, &prenewparent,
- &postnewparent, NULL);
- return 0;
-}
-
-int32_t
-bd_delete_lv (bd_priv_t *priv, bd_entry_t *p_entry, bd_entry_t *lventry,
- const char *path, int *op_errno)
-{
- vg_t vg = NULL;
- lv_t lv = NULL;
- int op_ret = -1;
-
- *op_errno = 0;
- BD_WR_LOCK (&priv->lock);
- vg = lvm_vg_open (priv->handle, p_entry->name, "w", 0);
- if (!vg) {
- *op_errno = ENOENT;
- BD_UNLOCK (&priv->lock);
- goto out;
- }
-
- lv = lvm_lv_from_name (vg, lventry->name);
- if (!lv) {
- lvm_vg_close (vg);
- *op_errno = ENOENT;
- BD_UNLOCK (&priv->lock);
- goto out;
- }
- op_ret = lvm_vg_remove_lv (lv);
- if (op_ret < 0) {
- *op_errno = errno;
- lvm_vg_close (vg);
- BD_UNLOCK (&priv->lock);
- goto out;
- }
- lvm_vg_close (vg);
-
- op_ret = bd_entry_rm (path);
- if (op_ret < 0) {
- *op_errno = EIO;
- BD_UNLOCK (&priv->lock);
- goto out;
- }
- BD_ENTRY_UPDATE_MTIME (p_entry);
-
- op_ret = 0;
- op_errno = 0;
-
- BD_UNLOCK (&priv->lock);
- op_ret = 0;
-out:
- return op_ret;
-}
-
-int32_t
-bd_unlink (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int xflag, dict_t *xdata)
-{
- int32_t op_ret = -1;
- int32_t op_errno = ENOENT;
- struct iatt preparent = {0, };
- struct iatt postparent = {0, };
- bd_priv_t *priv = NULL;
- bd_entry_t *lventry = NULL;
- bd_entry_t *p_entry = NULL;
- char *vg_name = NULL;
- char *volume = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
- VALIDATE_OR_GOTO (loc, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- volume = vg_name = gf_strdup (loc->path);
- if (!volume)
- goto out;
- volume = strrchr (volume, '/');
- if (!volume) {
- op_errno = EINVAL;
- goto out;
- }
- /* creating under non VG directory not permited */
- if (vg_name == volume) {
- op_errno = EOPNOTSUPP;
- goto out;
- }
- *volume = '\0';
-
- BD_ENTRY (priv, p_entry, vg_name);
- BD_ENTRY (priv, lventry, loc->path);
- if (!p_entry || !lventry)
- goto out;
-
- memcpy (&preparent, p_entry->attr, sizeof(preparent));
- op_ret = bd_delete_lv (priv, p_entry, lventry, loc->path, &op_errno);
- memcpy (&postparent, p_entry->attr, sizeof(postparent));
-out:
- if (p_entry)
- BD_PUT_ENTRY (priv, p_entry);
- if (lventry)
- BD_PUT_ENTRY (priv, lventry);
- if (vg_name)
- GF_FREE (vg_name);
- STACK_UNWIND_STRICT (unlink, frame, op_ret, op_errno,
- &preparent, &postparent, NULL);
-
- return 0;
-}
-
-#define LVM_CREATE "/sbin/lvcreate"
-
-#define IOV_NR 4
-#define IOV_SIZE (4 * 1024)
-
-int bd_clone_lv (bd_priv_t *priv, bd_entry_t *p_entry, dict_t *output,
- const char *vg_name, const char *lv_name,
- const char *dest_lv_name, struct iatt *stbuf)
-{
- int32_t ret = -1;
- vg_t vg = NULL;
- lv_t lv = NULL;
- ssize_t size = 0;
- uint64_t extent = 0;
- int fd1 = -1;
- int fd2 = -1;
- struct iatt iattr = {0, };
- bd_entry_t *lventry = NULL;
- char path[512] = {0, };
- struct iovec *vec = NULL;
- int i = 0;
- ssize_t bytes = 0;
- int nr_iov = 0;
-
- vec = GF_CALLOC (IOV_NR, sizeof(struct iovec), gf_common_mt_iovec);
- if (!vec)
- goto out;
-
- for (i = 0; i < IOV_NR; i++) {
- vec[i].iov_base = GF_MALLOC (IOV_SIZE, gf_common_mt_char);
- if (!vec[i].iov_base)
- goto out;
- vec[i].iov_len = IOV_SIZE;
- }
-
- vg = lvm_vg_open (priv->handle, vg_name, "w", 0);
- if (!vg) {
- gf_log (THIS->name, GF_LOG_ERROR,
- "lvm_vg_open %s failed", vg_name);
- ret = -1;
- goto out;
- }
- lv = lvm_lv_from_name (vg, lv_name);
- if (!lv) {
- gf_log (THIS->name, GF_LOG_ERROR, "lvm_lv_from_name failed");
- ret = -1;
- goto out;
- }
-
- size = lvm_lv_get_size (lv);
- extent = size / lvm_vg_get_extent_size (vg);
-
- if (lvm_vg_create_lv_linear (vg, dest_lv_name, size) == NULL) {
- gf_log (THIS->name, GF_LOG_ERROR, "lv_create:%s",
- lvm_errmsg(priv->handle));
- ret = -1;
- goto out;
- }
- sprintf (path, "/dev/%s/%s", vg_name, lv_name);
- fd1 = open (path, O_RDONLY);
- if (fd1 < 0) {
- gf_log (THIS->name, GF_LOG_ERROR, "opening %s failed", path);
- goto out;
- }
- sprintf (path, "/dev/%s/%s", vg_name, dest_lv_name);
- fd2 = open (path, O_WRONLY);
- if (fd2 < 0) {
- gf_log (THIS->name, GF_LOG_ERROR, "opening %s failed", path);
- goto out;
- }
-
- bd_entry_istat (path, &iattr, IA_IFREG);
- iattr.ia_size = size;
-
- bytes = size;
- while (bytes) {
- size = readv(fd1, vec, IOV_NR);
- if (size < 0) {
- gf_log (THIS->name, GF_LOG_DEBUG,
- "read failed:%s", strerror(errno));
- goto out;
- }
- if (size < IOV_NR * IOV_SIZE) {
- vec[size / IOV_SIZE].iov_len = size % IOV_SIZE;
- nr_iov = (size / IOV_SIZE) + 1;
- } else
- nr_iov = IOV_NR;
- bytes -= size;
- size = writev (fd2, vec, nr_iov);
- if (size < 0) {
- gf_log (THIS->name, GF_LOG_DEBUG,
- "write failed:%s", strerror(errno));
- goto out;
- }
- }
-
- lventry = bd_entry_add (p_entry, dest_lv_name, &iattr, IA_IFREG);
- if (!lventry) {
- ret = EAGAIN;
- goto out;
- }
-
- if (stbuf)
- memcpy (stbuf, &iattr, sizeof(iattr));
-
- ret = 0;
- gf_log (THIS->name, GF_LOG_INFO, "Clone completed");
-out:
- if (vg)
- lvm_vg_close (vg);
- if (fd1 != -1)
- close (fd1);
- if (fd2 != -1)
- close (fd2);
- if (vec)
- iov_free (vec, IOV_NR);
- return ret;
-}
-
-int bd_snapshot_lv (bd_priv_t *priv, bd_entry_t *p_entry, dict_t *output,
- const char *lv_name, const char *dest_lv, char *size,
- struct iatt *stbuf)
-{
- int32_t ret = -1;
- struct iatt iattr = {0, };
- struct stat stat = {0, };
- bd_entry_t *lventry = NULL;
- char *error = NULL;
- int retval = -1;
- runner_t runner = {0, };
- char *path = NULL;
- vg_t vg = NULL;
- lv_t lv = NULL;
-
- runinit (&runner);
-
- runner_add_args (&runner, LVM_CREATE, NULL);
- runner_add_args (&runner, "--snapshot", NULL);
- runner_argprintf (&runner, "/dev/%s/%s", p_entry->name, lv_name);
- runner_add_args (&runner, "--name", NULL);
- runner_argprintf (&runner, "%s", dest_lv);
- runner_argprintf (&runner, "-L%s", size);
-
- runner_start (&runner);
- runner_end (&runner);
-
- gf_asprintf (&path, "/dev/%s/%s", p_entry->name, dest_lv);
- if (!path) {
- ret = -ENOMEM;
- goto out;
- }
- if (lstat (path, &stat) < 0) {
- ret = -EAGAIN;
- if (output)
- gf_asprintf (&error, "try again");
- goto out;
- }
-
- vg = lvm_vg_open (priv->handle, p_entry->name, "r", 0);
- if (!vg) {
- ret = -EIO;
- if (output)
- gf_asprintf (&error, "can't open vg %s", p_entry->name);
- goto out;
- }
- lv = lvm_lv_from_name (vg, lv_name);
- if (!lv) {
- ret = -EIO;
- if (output)
- gf_asprintf (&error, "can't open lv %s", lv_name);
- goto out;
- }
- bd_entry_istat (path, &iattr, IA_IFREG);
- iattr.ia_size = lvm_lv_get_size (lv);
- lventry = bd_entry_add (p_entry, dest_lv, &iattr, IA_IFREG);
- if (!lventry) {
- if (output)
- gf_asprintf (&error, "try again");
- ret = -EAGAIN;
- goto out;
- }
- if (stbuf)
- memcpy (stbuf, &iattr, sizeof(iattr));
- ret = 0;
-out:
- if (vg)
- lvm_vg_close (vg);
- if (error && output)
- retval = dict_set_str (output, "error", error);
- GF_FREE (path);
- return ret;
-}
-
-/*
- * Creates a snapshot of given LV
- */
-int
-bd_symlink (call_frame_t *frame, xlator_t *this,
- const char *linkname, loc_t *loc, mode_t umask, dict_t *xdata)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- bd_priv_t *priv = NULL;
- struct iatt stbuf = {0, };
- struct iatt preparent = {0, };
- struct iatt postparent = {0, };
- bd_entry_t *lventry = NULL;
- char *name = NULL;
- char *np = NULL;
- char *volume = NULL;
- char *vg_name = NULL;
- char *path = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
- VALIDATE_OR_GOTO (loc, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- if (strchr (loc->path, '/')) {
- vg_name = gf_strdup (loc->path);
- volume = strrchr (vg_name, '/');
- if (!volume) {
- op_errno = EINVAL;
- goto out;
- }
- /* creating under non VG directory not permited */
- if (vg_name == volume) {
- op_errno = EOPNOTSUPP;
- goto out;
- }
- GF_FREE (vg_name);
- vg_name = NULL;
- }
-
- /*
- * symlink creation for BD xlator is different
- * source (LV) has to exist for creation of symbolic link (snapshot)
- */
- if (strchr (linkname, '/')) {
- op_errno = EOPNOTSUPP;
- goto out;
- }
- gf_asprintf (&path, "%s/%s", priv->vg, linkname);
- if (!path) {
- op_errno = -ENOMEM;
- goto out;
- }
- BD_ENTRY (priv, lventry, path);
- if (!lventry) {
- op_errno = ENOENT;
- goto out;
- }
-
- name = np = gf_strdup (loc->path);
- if (!name)
- goto out;
-
- /* Get LV name from loc->path */
- name = strrchr (loc->path, '/');
- if (name != loc->path)
- name++;
-
- memcpy (&preparent, lventry->parent->attr, sizeof(preparent));
- if (bd_snapshot_lv (priv, lventry->parent, NULL, lventry->name,
- name, "1", &stbuf) < 0) {
- op_errno = EAGAIN;
- goto out;
- }
- BD_ENTRY_UPDATE_MTIME (lventry->parent);
- memcpy (&postparent, lventry->parent->attr, sizeof (postparent));
- op_ret = 0;
-out:
- if (lventry)
- BD_PUT_ENTRY (priv, lventry);
- if (np)
- GF_FREE (np);
- if (vg_name)
- GF_FREE (vg_name);
- if (path)
- GF_FREE (path);
-
- STACK_UNWIND_STRICT (symlink, frame, op_ret, op_errno,
- (loc)?loc->inode:NULL, &stbuf, &preparent,
- &postparent, NULL);
- return 0;
-}
-
-/*
- * bd_link: Does full clone of given logical volume
- * A new logical volume with source logical volume's size created
- * and entire content copied
- */
-int
-bd_link (call_frame_t *frame, xlator_t *this,
- loc_t *oldloc, loc_t *newloc, dict_t *xdata)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- bd_priv_t *priv = NULL;
- struct iatt stbuf = {0, };
- struct iatt preparent = {0, };
- struct iatt postparent = {0, };
- bd_entry_t *lventry = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
- VALIDATE_OR_GOTO (oldloc, out);
- VALIDATE_OR_GOTO (newloc, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- BD_ENTRY (priv, lventry, oldloc->path);
- if (!lventry) {
- op_errno = ENOENT;
- goto out;
- }
- memcpy (&postparent, lventry->parent->attr, sizeof (postparent));
- if (bd_clone_lv (priv, lventry->parent, NULL, lventry->parent->name,
- lventry->name, newloc->name, &stbuf) < 0) {
- op_errno = EAGAIN;
- goto out;
- }
- BD_ENTRY_UPDATE_MTIME (lventry->parent);
- memcpy (&preparent, lventry->parent->attr, sizeof (preparent));
- op_ret = 0;
-out:
- if (lventry)
- BD_PUT_ENTRY (priv, lventry);
-
-
- STACK_UNWIND_STRICT (link, frame, op_ret, op_errno,
- (oldloc)?oldloc->inode:NULL, &stbuf, &preparent,
- &postparent, NULL);
- return 0;
-}
-
-int32_t
-bd_open (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t flags, fd_t *fd, dict_t *xdata)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- int32_t _fd = -1;
- bd_fd_t *bd_fd = NULL;
- bd_entry_t *lventry = NULL;
- bd_priv_t *priv = NULL;
- char *devpath = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
- VALIDATE_OR_GOTO (loc, out);
- VALIDATE_OR_GOTO (fd, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- BD_ENTRY (priv, lventry, loc->path);
- if (!lventry) {
- op_errno = ENOENT;
- goto out;
- }
-
- gf_asprintf (&devpath, "/dev/%s/%s", lventry->parent->name,
- lventry->name);
- _fd = open (devpath, flags, 0);
- if (_fd == -1) {
- op_errno = errno;
- gf_log (this->name, GF_LOG_ERROR,
- "open on %s: %s", devpath, strerror (op_errno));
- goto out;
- }
-
- bd_fd = GF_CALLOC (1, sizeof(*bd_fd), gf_bd_fd);
- if (!bd_fd) {
- op_errno = errno;
- goto out;
- }
- bd_fd->entry = lventry;
- bd_fd->fd = _fd;
-
- op_ret = fd_ctx_set (fd, this, (uint64_t)(long)bd_fd);
- if (op_ret) {
- gf_log (this->name, GF_LOG_WARNING,
- "failed to set the fd context path=%s fd=%p",
- loc->name, fd);
- goto out;
- }
-
- op_ret = 0;
-out:
- if (op_ret == -1) {
- if (_fd != -1)
- close (_fd);
- /* FIXME: Should we call fd_ctx_set with NULL? */
- if (bd_fd)
- GF_FREE (bd_fd);
- if (lventry)
- BD_PUT_ENTRY (priv, lventry);
- }
- if (devpath)
- GF_FREE (devpath);
-
- STACK_UNWIND_STRICT (open, frame, op_ret, op_errno, fd, NULL);
-
- return 0;
-}
-
-int
-bd_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset, uint32_t flags, dict_t *xdata)
-{
- uint64_t tmp_bd_fd = 0;
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- int _fd = -1;
- bd_priv_t *priv = NULL;
- struct iobuf *iobuf = NULL;
- struct iobref *iobref = NULL;
- struct iovec vec = {0, };
- bd_fd_t *bd_fd = NULL;
- int ret = -1;
- struct iatt stbuf = {0, };
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (fd, out);
- VALIDATE_OR_GOTO (this->private, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- ret = fd_ctx_get (fd, this, &tmp_bd_fd);
- if (ret < 0) {
- op_errno = -EINVAL;
- gf_log (this->name, GF_LOG_WARNING,
- "bd_fd is NULL from fd=%p", fd);
- goto out;
- }
- bd_fd = (bd_fd_t *)(long)tmp_bd_fd;
- if (!size) {
- op_errno = EINVAL;
- gf_log (this->name, GF_LOG_WARNING, "size=%"GF_PRI_SIZET, size);
- goto out;
- }
- iobuf = iobuf_get2 (this->ctx->iobuf_pool, size);
- if (!iobuf) {
- op_errno = ENOMEM;
- goto out;
- }
- _fd = bd_fd->fd;
- op_ret = pread (_fd, iobuf->ptr, size, offset);
- if (op_ret == -1) {
- op_errno = errno;
- gf_log (this->name, GF_LOG_ERROR,
- "read failed on fd=%p: %s", fd,
- strerror (op_errno));
- goto out;
- }
-
- vec.iov_base = iobuf->ptr;
- vec.iov_len = op_ret;
-
- iobref = iobref_new ();
- iobref_add (iobref, iobuf);
- BD_ENTRY_UPDATE_ATIME (bd_fd->entry);
-
- memcpy (&stbuf, bd_fd->entry->attr, sizeof(stbuf));
-
- /* Hack to notify higher layers of EOF. */
- if (bd_fd->entry->size == 0)
- op_errno = ENOENT;
- else if ((offset + vec.iov_len) >= bd_fd->entry->size)
- op_errno = ENOENT;
- op_ret = vec.iov_len;
-out:
- STACK_UNWIND_STRICT (readv, frame, op_ret, op_errno,
- &vec, 1, &stbuf, iobref, NULL);
-
- if (iobref)
- iobref_unref (iobref);
- if (iobuf)
- iobuf_unref (iobuf);
- return 0;
-}
-
-#define LVM_RESIZE "/sbin/lvresize"
-
-int32_t
-bd_resize (bd_priv_t *priv, bd_entry_t *lventry, off_t *size)
-{
- bd_entry_t *vgentry = NULL;
- uint64_t extent = 0;
- int32_t op_ret = -1;
- vg_t vg = NULL;
- uint32_t nr_ex = 0;
- lv_t lv = NULL;
- uint64_t new_size = 0;
- runner_t runner = {0, };
-
- BD_ENTRY (priv, vgentry, lventry->parent->name);
- if (!vgentry) {
- op_ret = ENOENT;
- goto out;
- }
-
- BD_WR_LOCK (&priv->lock);
- vg = lvm_vg_open (priv->handle, vgentry->name, "w", 0);
- if (!vg) {
- op_ret = lvm_errno (priv->handle);
- BD_UNLOCK (&priv->lock);
- goto out;
- }
-
- extent = lvm_vg_get_extent_size (vg);
- lvm_vg_close (vg);
- BD_UNLOCK (&priv->lock);
-
- nr_ex = *size / extent;
- if (*size % extent)
- nr_ex++;
- *size = extent * nr_ex;
-
- runinit (&runner);
-
- runner_add_args (&runner, LVM_RESIZE, NULL);
- runner_argprintf (&runner, "/dev/%s/%s", lventry->parent->name,
- lventry->name);
- runner_argprintf (&runner, "-l%ld", nr_ex);
- runner_add_args (&runner, "-f", NULL);
-
- runner_start (&runner);
- runner_end (&runner);
-
- BD_WR_LOCK (&priv->lock);
- vg = lvm_vg_open (priv->handle, vgentry->name, "w", 0);
- if (!vg) {
- op_ret = lvm_errno (priv->handle);
- BD_UNLOCK (&priv->lock);
- goto out;
- }
-
- lv = lvm_lv_from_name (vg, lventry->name);
- if (!lv) {
- op_ret = lvm_errno (priv->handle);
- lvm_vg_close (vg);
- BD_UNLOCK (&priv->lock);
- goto out;
- }
- new_size = lvm_lv_get_size (lv);
- lvm_vg_close (vg);
- if (new_size != *size) {
- op_ret = EIO;
- BD_UNLOCK (&priv->lock);
- goto out;
- }
-
- BD_UNLOCK (&priv->lock);
- op_ret = 0;
-
-out:
- if (vgentry)
- BD_PUT_ENTRY (priv, vgentry);
-
- return op_ret;
-}
-
- int32_t
-bd_ftruncate (call_frame_t *frame, xlator_t *this,
- fd_t *fd, off_t offset, dict_t *xdict)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- struct iatt preop = {0, };
- struct iatt postop = {0, };
- bd_fd_t *bd_fd = NULL;
- int ret = -1;
- uint64_t tmp_bd_fd = 0;
- bd_priv_t *priv = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (fd, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
- ret = fd_ctx_get (fd, this, &tmp_bd_fd);
-
- if (ret < 0) {
- gf_log (this->name, GF_LOG_WARNING,
- "bd_fd is NULL, fd=%p", fd);
- op_errno = -ret;
- goto out;
- }
- bd_fd = (bd_fd_t *)(long)tmp_bd_fd;
-
- memcpy (&preop, bd_fd->entry->attr, sizeof(preop));
- if (offset > bd_fd->entry->size) {
- op_errno = bd_resize (priv, bd_fd->entry, &offset);
- if (op_errno)
- goto out;
- if (offset > bd_fd->entry->size) {
- bd_fd->entry->attr->ia_size = offset;
- bd_fd->entry->size = offset;
- }
- }
- /* If the requested size is less then current size
- * we will not update that in bd_fd->entry->attr
- * because it will result in showing size of this file less
- * instead we will return 0 for less size truncation
- */
- BD_ENTRY_UPDATE_MTIME (bd_fd->entry);
- memcpy (&postop, bd_fd->entry->attr, sizeof(postop));
-
- op_ret = 0;
-out:
- STACK_UNWIND_STRICT (ftruncate, frame, op_ret, op_errno, &preop,
- &postop, NULL);
- return 0;
-}
-
-int32_t
-bd_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc,
- off_t offset, dict_t *xdict)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- struct iatt prebuf = {0, };
- struct iatt postbuf = {0, };
- bd_entry_t *lventry = NULL;
- bd_priv_t *priv = NULL;
- off_t size = 0;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (loc, out);
-
- priv = this->private;
- BD_ENTRY (priv, lventry, loc->path);
- if (!lventry) {
- op_errno = ENOENT;
- gf_log (this->name, GF_LOG_ERROR,
- "pre-operation lstat on %s failed: %s",
- loc->path, strerror (op_errno));
- goto out;
- }
- memcpy (&prebuf, lventry->attr, sizeof(prebuf));
- if (offset > lventry->size) {
- op_errno = bd_resize (priv, lventry, &size);
- if (op_errno)
- goto out;
- if (lventry->size < offset) {
- lventry->attr->ia_size = offset;
- lventry->size = size;
- }
- }
- BD_ENTRY_UPDATE_MTIME (lventry);
- memcpy (&postbuf, lventry->attr, sizeof(postbuf));
- BD_PUT_ENTRY (priv, lventry);
- op_ret = 0;
-out:
- if (lventry)
- BD_PUT_ENTRY (priv, lventry);
- STACK_UNWIND_STRICT (truncate, frame, op_ret, op_errno,
- &prebuf, &postbuf, NULL);
- return 0;
-}
-
-int32_t
-__bd_pwritev (int fd, struct iovec *vector, int count, off_t offset,
- uint64_t bd_size)
-{
- int32_t op_ret = 0;
- int index = 0;
- int retval = 0;
- off_t internal_offset = 0;
- int no_space = 0;
-
- if (!vector)
- return -EFAULT;
-
- internal_offset = offset;
- for (index = 0; index < count; index++) {
- if (internal_offset >= bd_size) {
- op_ret = -ENOSPC;
- goto err;
- }
- if (internal_offset + vector[index].iov_len >= bd_size) {
- vector[index].iov_len = bd_size - internal_offset;
- no_space = 1;
- }
-
- retval = pwrite (fd, vector[index].iov_base,
- vector[index].iov_len, internal_offset);
- if (retval == -1) {
- gf_log (THIS->name, GF_LOG_WARNING,
- "base %p, length %ld, offset %ld, message %s",
- vector[index].iov_base, vector[index].iov_len,
- internal_offset, strerror (errno));
- op_ret = -errno;
- goto err;
- }
- op_ret += retval;
- internal_offset += retval;
- if (no_space)
- break;
- }
-err:
- return op_ret;
-}
-
-int bd_create_lv (bd_priv_t *priv, bd_entry_t *p_entry, const char *vg_name,
- const char *lv_name, char *size, mode_t mode)
-{
- vg_t vg = NULL;
- int ret = -1;
- char *path = NULL;
- struct iatt iattr = {0, };
- bd_entry_t *lventry = NULL;
- uint64_t extent = 0;
-
- BD_WR_LOCK (&priv->lock);
- vg = lvm_vg_open (priv->handle, vg_name, "w", 0);
- if (!vg) {
- ret = -1;
- goto out;
- }
- extent = lvm_vg_get_extent_size (vg);
- if (size)
- gf_string2bytesize (size, &extent);
-
- if (lvm_vg_create_lv_linear (vg, lv_name, extent) == NULL) {
- ret = -EAGAIN;
- lvm_vg_close (vg);
- goto out;
- }
- lvm_vg_close (vg);
-
- gf_asprintf (&path, "/dev/%s/%s", vg_name, lv_name);
- if (!path) {
- ret = -ENOMEM;
- lvm_vg_close (vg);
- goto out;
- }
- bd_entry_istat (path, &iattr, IA_IFREG);
- iattr.ia_size = extent;
- if (!mode)
- mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP;
-
- iattr.ia_type = ia_type_from_st_mode (mode);
- iattr.ia_prot = ia_prot_from_st_mode (mode);
- lventry = bd_entry_add (p_entry, lv_name, &iattr, IA_IFREG);
- if (!lventry) {
- ret = -EAGAIN;
- goto out;
- }
- ret = 0;
-out:
- BD_UNLOCK (&priv->lock);
- if (path)
- GF_FREE (path);
- return ret;
-}
-
-int bd_create (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t flags, mode_t mode,
- mode_t umask, fd_t *fd, dict_t *params)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- int32_t _fd = -1;
- bd_priv_t *priv = NULL;
- struct iatt stbuf = {0, };
- struct iatt preparent = {0, };
- struct iatt postparent = {0, };
- bd_entry_t *p_entry = NULL;
- bd_entry_t *lventry = NULL;
- bd_fd_t *pfd = NULL;
- char *vg_name = NULL;
- char *volume = NULL;
- char *path = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
- VALIDATE_OR_GOTO (loc, out);
- VALIDATE_OR_GOTO (fd, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- volume = vg_name = gf_strdup (loc->path);
- if (!volume)
- goto out;
- volume = strrchr (volume, '/');
- if (!volume) {
- op_errno = EINVAL;
- goto out;
- }
- /* creating under non VG directory not permited */
- if (vg_name == volume) {
- op_errno = EOPNOTSUPP;
- goto out;
- }
- *volume = '\0';
-
- BD_ENTRY (priv, p_entry, vg_name);
- if (!p_entry) {
- op_errno = ENOENT;
- goto out;
- }
-
- memcpy (&preparent, p_entry->attr, sizeof(preparent));
-
- op_errno = bd_create_lv (priv, p_entry, p_entry->name, loc->name, 0,
- mode);
- if (op_errno)
- goto out;
-
- BD_ENTRY (priv, lventry, loc->path);
- if (!lventry) {
- gf_log (this->name, GF_LOG_WARNING,
- "newly created LV not available %s", loc->path);
- op_errno = EAGAIN;
- goto out;
- }
-
- /* Mask O_CREATE since we created LV */
- flags &= ~(O_CREAT | O_EXCL);
-
- gf_asprintf (&path, "/dev/%s/%s", p_entry->name, loc->name);
- if (!path) {
- op_errno = ENOMEM;
- goto out;
- }
- _fd = open (path, flags, 0);
- if (_fd == -1) {
- op_errno = errno;
- gf_log (this->name, GF_LOG_ERROR,
- "open on %s: %s", path, strerror (op_errno));
- goto out;
- }
-
- memcpy (&stbuf, lventry->attr, sizeof(stbuf));
-
- pfd = GF_CALLOC (1, sizeof(*pfd), gf_bd_fd);
- if (!pfd) {
- op_errno = errno;
- goto out;
- }
- pfd->flag = flags;
- pfd->fd = _fd;
- pfd->entry = lventry;
-
- if (fd_ctx_set (fd, this, (uint64_t)(long)pfd)) {
- gf_log (this->name, GF_LOG_WARNING,
- "failed to set the fd context path=%s fd=%p",
- loc->name, fd);
- goto out;
- }
-
- op_ret = 0;
-
- memcpy (&postparent, p_entry->attr, sizeof(postparent));
-out:
- if (p_entry)
- BD_PUT_ENTRY (priv, p_entry);
- if (path)
- GF_FREE (path);
- if (op_ret < 0 && lventry)
- BD_PUT_ENTRY (priv, lventry);
- if (vg_name)
- GF_FREE (vg_name);
-
- STACK_UNWIND_STRICT (create, frame, op_ret, op_errno, fd,
- (loc)?loc->inode:NULL, &stbuf, &preparent,
- &postparent, NULL);
- return 0;
-}
-
-/*
- * We don't do actual setattr on devices on the host side, we just update
- * the entries in server process & they are not persistent
- */
-int bd_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
- struct iatt *stbuf, int32_t valid, dict_t *xdata)
-{
- struct iatt statpre = {0, };
- struct iatt statpost = {0, };
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- bd_priv_t *priv = NULL;
- bd_fd_t *pfd = NULL;
- int ret = 0;
- uint64_t tmp_pfd = 0;
- int _fd = -1;
-
- priv = this->private;
-
- ret = fd_ctx_get (fd, this, &tmp_pfd);
- if (ret < 0) {
- gf_log (this->name, GF_LOG_WARNING,
- "pfd is NULL, fd=%p", fd);
- op_errno = -ret;
- goto out;
- }
- pfd = (bd_fd_t *)(long)tmp_pfd;
-
- _fd = pfd->fd;
- memcpy (&statpre, pfd->entry->attr, sizeof(statpre));
- op_ret = 0;
-
- if (valid & GF_SET_ATTR_MODE)
- pfd->entry->attr->ia_prot = stbuf->ia_prot;
- if (valid & (GF_SET_ATTR_UID | GF_SET_ATTR_GID)) {
- if (valid & GF_SET_ATTR_UID)
- pfd->entry->attr->ia_uid = stbuf->ia_uid;
- if (valid & GF_SET_ATTR_GID)
- pfd->entry->attr->ia_gid = stbuf->ia_gid;
- }
- if (valid & (GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME)) {
- pfd->entry->attr->ia_atime = stbuf->ia_atime;
- pfd->entry->attr->ia_atime_nsec = stbuf->ia_atime_nsec;
- pfd->entry->attr->ia_mtime = stbuf->ia_mtime;
- pfd->entry->attr->ia_mtime_nsec = stbuf->ia_mtime_nsec;
- }
- memcpy (&statpost, pfd->entry->attr, sizeof(statpost));
- op_errno = 0;
-out:
- STACK_UNWIND_STRICT (setattr, frame, 0, 0, &statpre, &statpost, NULL);
- return 0;
-}
-
-int bd_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
- struct iatt *stbuf, int32_t valid, dict_t *xdata)
-{
- struct iatt statpre = {0, };
- struct iatt statpost = {0, };
- bd_entry_t *lventry = NULL;
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- bd_priv_t *priv = NULL;
- char path[PATH_MAX] = {0, };
-
- priv = this->private;
-
- /*
- * We don't allow to do setattr on / on host side
- * ie /dev
- */
- if (!strcmp (loc->path, "/")) {
- op_ret = 0;
- goto out;
- }
-
- BD_ENTRY (priv, lventry, loc->path);
- if (!lventry) {
- op_errno = ENOENT;
- goto out;
- }
- sprintf (path, "/dev/%s/%s", lventry->parent->name, lventry->name);
-
- memcpy (&statpre, lventry->attr, sizeof(statpre));
- if (valid & GF_SET_ATTR_MODE)
- lventry->attr->ia_prot = stbuf->ia_prot;
- if (valid & (GF_SET_ATTR_UID | GF_SET_ATTR_GID)) {
- if (valid & GF_SET_ATTR_UID)
- lventry->attr->ia_uid = stbuf->ia_uid;
- if (valid & GF_SET_ATTR_GID)
- lventry->attr->ia_gid = stbuf->ia_gid;
- }
- if (valid & (GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME)) {
- lventry->attr->ia_atime = stbuf->ia_atime;
- lventry->attr->ia_atime_nsec = stbuf->ia_atime_nsec;
- lventry->attr->ia_mtime = stbuf->ia_mtime;
- lventry->attr->ia_mtime_nsec = stbuf->ia_mtime_nsec;
- }
- memcpy (&statpost, lventry->attr, sizeof(statpost));
- op_errno = 0;
-out:
- if (lventry)
- BD_PUT_ENTRY (priv, lventry);
- STACK_UNWIND_STRICT (setattr, frame, 0, 0, &statpre, &statpost, NULL);
- return 0;
-}
-
-int
-bd_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
- struct iovec *vector, int32_t count, off_t offset,
- uint32_t flags, struct iobref *iobref, dict_t *xdict)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- int _fd = -1;
- bd_priv_t *priv = NULL;
- bd_fd_t *bd_fd = NULL;
- int ret = -1;
- struct iatt preop = {0, };
- struct iatt postop = {0, };
- uint64_t tmp_bd_fd = 0;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (fd, out);
- VALIDATE_OR_GOTO (vector, out);
- VALIDATE_OR_GOTO (this->private, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- ret = fd_ctx_get (fd, this, &tmp_bd_fd);
- if (ret < 0) {
- op_errno = -ret;
- gf_log (this->name, GF_LOG_WARNING,
- "bd_fd is NULL from fd=%p", fd);
- goto out;
- }
- bd_fd = (bd_fd_t *)(long)tmp_bd_fd;
- _fd = bd_fd->fd;
-
- memcpy (&preop, bd_fd->entry->attr, sizeof(preop));
- op_ret = __bd_pwritev (_fd, vector, count, offset, bd_fd->entry->size);
- if (op_ret < 0) {
- op_errno = -op_ret;
- op_ret = -1;
- gf_log (this->name, GF_LOG_ERROR, "write failed: offset %"PRIu64
- ", %s", offset, strerror (op_errno));
- goto out;
- }
- BD_ENTRY_UPDATE_MTIME (bd_fd->entry);
- memcpy (&postop, bd_fd->entry->attr, sizeof(postop));
-
-out:
- STACK_UNWIND_STRICT (writev, frame, op_ret, op_errno, &preop,
- &postop, NULL);
-
- return 0;
-}
-
-int32_t
-bd_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req)
-{
- struct iatt buf = {0, };
- int32_t op_ret = -1;
- int32_t entry_ret = 0;
- int32_t op_errno = 0;
- char *pathdup = NULL;
- bd_entry_t *bdentry = NULL;
- struct iatt postparent = {0, };
- bd_priv_t *priv = NULL;
- char *p = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (loc, out);
- VALIDATE_OR_GOTO (loc->path, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- BD_ENTRY (priv, bdentry, loc->path);
- if (!bdentry) {
- op_errno = ENOENT;
- entry_ret = -1;
- goto parent;
- }
- memcpy (&buf, bdentry->attr, sizeof(buf));
- BD_PUT_ENTRY (priv, bdentry);
-
-parent:
- if (loc->parent) {
- pathdup = p = gf_strdup (loc->path);
- if (!pathdup) {
- op_errno = ENOMEM;
- entry_ret = -1;
- goto out;
- }
- p = strrchr (pathdup, '/');
- if (p == pathdup)
- *(p+1) = '\0';
- else
- *p = '\0';
- BD_ENTRY (priv, bdentry, pathdup);
- if (!bdentry) {
- op_errno = ENOENT;
- gf_log (this->name, GF_LOG_ERROR,
- "post-operation lookup on parent of %s "
- "failed: %s",
- loc->path, strerror (op_errno));
- goto out;
- }
- memcpy (&postparent, bdentry->attr, sizeof(postparent));
- BD_PUT_ENTRY (priv, bdentry);
- }
-
- op_ret = entry_ret;
-out:
- if (pathdup)
- GF_FREE (pathdup);
-
- STACK_UNWIND_STRICT (lookup, frame, op_ret, op_errno,
- (loc)?loc->inode:NULL, &buf, NULL, &postparent);
-
- return 0;
-}
-
-int32_t
-bd_stat (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
-{
- struct iatt buf = {0,};
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- bd_entry_t *bdentry = NULL;
- bd_priv_t *priv = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (loc, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- BD_ENTRY (priv, bdentry, loc->path);
- if (!bdentry) {
- op_errno = ENOENT;
- gf_log (this->name, GF_LOG_ERROR, "stat on %s failed: %s",
- loc->path, strerror (op_errno));
- goto out;
- }
- memcpy (&buf, bdentry->attr, sizeof(buf));
- BD_PUT_ENTRY (priv, bdentry);
- op_ret = 0;
-
-out:
- STACK_UNWIND_STRICT (stat, frame, op_ret, op_errno, &buf, NULL);
-
- return 0;
-}
-
-int32_t
-bd_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
-{
- int ret = -1;
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- uint64_t tmp_bd_fd = 0;
- struct iatt buf = {0, };
- bd_fd_t *bd_fd = NULL;
- int _fd = -1;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (fd, out);
-
- ret = fd_ctx_get (fd, this, &tmp_bd_fd);
- if (ret < 0) {
- gf_log (this->name, GF_LOG_WARNING,
- "bd_fd is NULL, fd=%p", fd);
- op_errno = -EINVAL;
- goto out;
- }
- bd_fd = (bd_fd_t *)(long)tmp_bd_fd;
- _fd = bd_fd->fd;
-
- memcpy (&buf, bd_fd->entry->attr, sizeof(buf));
- op_ret = 0;
-
-out:
- STACK_UNWIND_STRICT (stat, frame, op_ret, op_errno, &buf, NULL);
- return 0;
-}
-
-int32_t
-bd_opendir (call_frame_t *frame, xlator_t *this,
- loc_t *loc, fd_t *fd, dict_t *xdata)
-{
- int32_t op_ret = -1;
- int32_t op_errno = EINVAL;
- bd_fd_t *bd_fd = NULL;
- bd_entry_t *bdentry = NULL;
- bd_priv_t *priv = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (loc, out);
- VALIDATE_OR_GOTO (loc->path, out);
- VALIDATE_OR_GOTO (fd, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- BD_ENTRY (priv, bdentry, loc->path);
- if (!bdentry) {
- op_errno = ENOENT;
- gf_log (this->name, GF_LOG_ERROR, "opendir failed on %s: %s",
- loc->path, strerror (op_errno));
- goto out;
- }
- bd_fd = GF_CALLOC (1, sizeof(*bd_fd), gf_bd_fd);
- if (!bd_fd) {
- op_errno = errno;
- BD_PUT_ENTRY (priv, bdentry);
- goto out;
- }
-
- bd_fd->p_entry = bdentry;
-
- bdentry = list_entry ((&bdentry->child)->next, typeof(*bdentry), child);
- if (!bdentry) {
- op_errno = EINVAL;
- gf_log (this->name, GF_LOG_ERROR, "bd_entry NULL");
- goto out;
- }
- bdentry = list_entry ((&bdentry->sibling), typeof(*bdentry), sibling);
- if (!bdentry) {
- op_errno = EINVAL;
- gf_log (this->name, GF_LOG_ERROR, "bd_entry NULL");
- goto out;
- }
-
- bd_fd->entry = bdentry;
-
- op_ret = fd_ctx_set (fd, this, (uint64_t) (long)bd_fd);
- if (op_ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to set the fd context path=%s fd=%p",
- loc->path, fd);
- goto out;
- }
-
- op_ret = 0;
-out:
- if (op_ret == -1) {
- BD_PUT_ENTRY (priv, bd_fd->p_entry);
- if (bd_fd)
- GF_FREE (bd_fd);
- }
-
- STACK_UNWIND_STRICT (opendir, frame, op_ret, op_errno, fd, NULL);
- return 0;
-}
-
-int32_t
-bd_releasedir (xlator_t *this, fd_t *fd)
-{
- bd_fd_t *bd_fd = NULL;
- uint64_t tmp_bd_fd = 0;
- int ret = 0;
- bd_priv_t *priv = NULL;
-
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (fd, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- ret = fd_ctx_del (fd, this, &tmp_bd_fd);
- if (ret < 0) {
- gf_log (this->name, GF_LOG_DEBUG, "bd_fd from fd=%p is NULL",
- fd);
- goto out;
- }
- bd_fd = (bd_fd_t *) (long)tmp_bd_fd;
- BD_PUT_ENTRY (priv, bd_fd->p_entry);
-
- bd_fd = (bd_fd_t *) (long)tmp_bd_fd;
- GF_FREE (bd_fd);
-out:
- return 0;
-}
-
-/*
- * bd_statfs: Mimics statfs by returning used/free extents in the VG
- * TODO: IF more than one VG allowed per volume, this functions needs some
- * change
- */
-int32_t
-bd_statfs (call_frame_t *frame, xlator_t *this,
- loc_t *loc, dict_t *xdata)
-{
- int32_t op_ret = -1;
- int32_t ret = -1;
- int32_t op_errno = 0;
- bd_priv_t *priv = NULL;
- struct statvfs buf = {0, };
- vg_t vg = NULL;
- char *vg_name = NULL;
- uint64_t size = 0;
- uint64_t fr_size = 0;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
- VALIDATE_OR_GOTO (loc, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- ret = dict_get_str (this->options, "export", &vg_name);
- if (ret) {
- gf_log (this->name, GF_LOG_CRITICAL,
- "FATAL: storage/bd does not specify volume groups");
- op_errno = EINVAL;
- goto out;
- }
-
- BD_RD_LOCK (&priv->lock);
-
- vg = lvm_vg_open (priv->handle, vg_name, "r", 0);
- size += lvm_vg_get_size (vg);
- fr_size += lvm_vg_get_free_size (vg);
- lvm_vg_close (vg);
-
- BD_UNLOCK (&priv->lock);
-
- if (statvfs ("/", &buf) < 0) {
- op_errno = errno;
- goto out;
- }
- op_ret = 0;
- buf.f_blocks = size / buf.f_frsize;
- buf.f_bfree = fr_size / buf.f_frsize;
- buf.f_bavail = fr_size / buf.f_frsize;
-out:
- STACK_UNWIND_STRICT (statfs, frame, op_ret, op_errno, &buf, NULL);
- return 0;
-}
-
-int32_t
-bd_release (xlator_t *this, fd_t *fd)
-{
- bd_fd_t *bd_fd = NULL;
- int ret = -1;
- uint64_t tmp_bd_fd = 0;
- bd_priv_t *priv = NULL;
-
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (fd, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- ret = fd_ctx_get (fd, this, &tmp_bd_fd);
- if (ret < 0) {
- gf_log (this->name, GF_LOG_WARNING, "bd_fd is NULL from fd=%p",
- fd);
- goto out;
- }
- bd_fd = (bd_fd_t *) (long)tmp_bd_fd;
- close (bd_fd->fd);
- BD_PUT_ENTRY (priv, bd_fd->entry);
-
- GF_FREE (bd_fd);
-out:
- return 0;
-}
-
-int32_t
-bd_fsync (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int32_t datasync, dict_t *xdata)
-{
- int _fd = -1;
- int ret = -1;
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- uint64_t tmp_bd_fd = 0;
- bd_fd_t *bd_fd = NULL;
- struct iatt preop = {0, };
- struct iatt postop = {0, };
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (fd, out);
-
- ret = fd_ctx_get (fd, this, &tmp_bd_fd);
- if (ret < 0) {
- gf_log (this->name, GF_LOG_WARNING,
- "bd_fd is NULL, fd=%p", fd);
- op_errno = -ret;
- goto out;
- }
- bd_fd = (bd_fd_t *)(long)tmp_bd_fd;
-
- _fd = bd_fd->fd;
- memcpy (&preop, &bd_fd->entry->attr, sizeof(preop));
- if (datasync) {
- ;
-#ifdef HAVE_FDATASYNC
- op_ret = fdatasync (_fd);
- if (op_ret == -1) {
- gf_log (this->name, GF_LOG_ERROR,
- "fdatasync on fd=%p failed: %s",
- fd, strerror (errno));
- }
-#endif
- } else {
- op_ret = fsync (_fd);
- if (op_ret == -1) {
- op_errno = errno;
- gf_log (this->name, GF_LOG_ERROR,
- "fsync on fd=%p failed: %s",
- fd, strerror (op_errno));
- goto out;
- }
- }
-
- memcpy (&postop, bd_fd->entry->attr, sizeof(postop));
- op_ret = 0;
-
-out:
- STACK_UNWIND_STRICT (fsync, frame, op_ret, op_errno, &preop,
- &postop, NULL);
-
- return 0;
-}
-
-int32_t
-bd_flush (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdict)
-{
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- int ret = -1;
- uint64_t tmp_bd_fd = 0;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (fd, out);
-
- ret = fd_ctx_get (fd, this, &tmp_bd_fd);
- if (ret < 0) {
- op_errno = -EINVAL;
- gf_log (this->name, GF_LOG_WARNING,
- "bd_fd is NULL on fd=%p", fd);
- goto out;
- }
- op_ret = 0;
-out:
- STACK_UNWIND_STRICT (flush, frame, op_ret, op_errno, NULL);
-
- return 0;
-}
-
-int
-__bd_fill_readdir (pthread_rwlock_t *bd_lock, bd_fd_t *bd_fd, off_t off,
- size_t size, gf_dirent_t *entries)
-{
- size_t filled = 0;
- int count = 0;
- struct dirent entry = {0, };
- int32_t this_size = -1;
- gf_dirent_t *this_entry = NULL;
- bd_entry_t *bdentry = NULL;
- bd_entry_t *cur_entry = NULL;
- bd_entry_t *n_entry = NULL;
-
- BD_RD_LOCK (bd_lock);
-
- bdentry = list_entry ((&bd_fd->p_entry->child)->next, typeof(*n_entry),
- child);
-
- if (off) {
- int i = 0;
- list_for_each_entry (n_entry, &bd_fd->entry->sibling, sibling) {
- if (i == off && strcmp (n_entry->name, "")) {
- bd_fd->entry = n_entry;
- break;
- }
- }
- } else
- bd_fd->entry = list_entry ((&bdentry->sibling),
- typeof(*n_entry), sibling);
-
- while (filled <= size) {
- cur_entry = bd_fd->entry;
-
- n_entry = list_entry ((&bd_fd->entry->sibling)->next,
- typeof (*cur_entry), sibling);
- if (&n_entry->sibling == (&bdentry->sibling))
- break;
-
- strcpy (entry.d_name, n_entry->name);
- entry.d_ino = n_entry->attr->ia_ino;
- entry.d_off = off;
- if (n_entry->attr->ia_type == IA_IFDIR)
- entry.d_type = DT_DIR;
- else
- entry.d_type = DT_REG;
-
- this_size = max (sizeof(gf_dirent_t),
- sizeof (gfs3_dirplist))
- + strlen (entry.d_name) + 1;
-
- if (this_size + filled > size)
- break;
-
- bd_fd->entry = n_entry;
-
- this_entry = gf_dirent_for_name (entry.d_name);
- if (!this_entry) {
- gf_log (THIS->name, GF_LOG_ERROR,
- "could not create gf_dirent for entry %s",
- entry.d_name);
- goto out;
- }
- this_entry->d_off = off;
- this_entry->d_ino = entry.d_ino;
- this_entry->d_type = entry.d_type;
- off++;
-
- list_add_tail (&this_entry->list, &entries->list);
-
- filled += this_size;
- count++;
- }
-out:
- BD_UNLOCK (bd_lock);
- return count;
-}
-
-int32_t
-bd_do_readdir (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t off, int whichop)
-{
- uint64_t tmp_bd_fd = 0;
- bd_fd_t *bd_fd = NULL;
- int ret = -1;
- int count = 0;
- int32_t op_ret = -1;
- int32_t op_errno = 0;
- gf_dirent_t entries;
- gf_dirent_t *tmp_entry = NULL;
- bd_entry_t *bdentry = NULL;
- bd_priv_t *priv = NULL;
- char *devpath = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (fd, out);
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- INIT_LIST_HEAD (&entries.list);
-
- ret = fd_ctx_get (fd, this, &tmp_bd_fd);
- if (ret < 0) {
- gf_log (this->name, GF_LOG_WARNING, "bd_fd is NULL, fd=%p", fd);
- op_errno = -EINVAL;
- goto out;
- }
- bd_fd = (bd_fd_t *) (long)tmp_bd_fd;
- LOCK (&fd->lock);
- {
- count = __bd_fill_readdir (&priv->lock, bd_fd, off,
- size, &entries);
- }
- UNLOCK (&fd->lock);
-
- /* pick ENOENT to indicate EOF */
- op_errno = errno;
- op_ret = count;
-
- if (whichop != GF_FOP_READDIRP)
- goto out;
-
- BD_RD_LOCK (&priv->lock);
- list_for_each_entry (tmp_entry, &entries.list, list) {
- char path[PATH_MAX];
- sprintf (path, "%s/%s", bd_fd->p_entry->name,
- tmp_entry->d_name);
- bdentry = bd_entry_get (path);
- if (!bdentry) {
- gf_log (this->name, GF_LOG_WARNING,
- "entry failed %s\n", tmp_entry->d_name);
- continue;
- }
- if (bdentry->attr->ia_ino)
- tmp_entry->d_ino = bdentry->attr->ia_ino;
- memcpy (&tmp_entry->d_stat,
- bdentry->attr, sizeof (tmp_entry->d_stat));
- bd_entry_put (bdentry);
- GF_FREE (devpath);
- }
- BD_UNLOCK (&priv->lock);
-
-out:
- STACK_UNWIND_STRICT (readdir, frame, op_ret, op_errno, &entries, NULL);
-
- gf_dirent_free (&entries);
-
- return 0;
-}
-
-int32_t
-bd_readdir (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t off, dict_t *dict)
-{
- bd_do_readdir (frame, this, fd, size, off, GF_FOP_READDIR);
- return 0;
-}
-
-
-int32_t
-bd_readdirp (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t off, dict_t *dict)
-{
- bd_do_readdir (frame, this, fd, size, off, GF_FOP_READDIRP);
- return 0;
-}
-
-int32_t
-bd_priv (xlator_t *this)
-{
- return 0;
-}
-
-int32_t
-bd_inode (xlator_t *this)
-{
- return 0;
-}
-
-/* unsupported interfaces */
-int32_t
-bd_readlink (call_frame_t *frame, xlator_t *this,
- loc_t *loc, size_t size, dict_t *xdata)
-{
- struct iatt stbuf = {0, };
- char *dest = NULL;
-
- dest = alloca (size + 1);
- STACK_UNWIND_STRICT (readlink, frame, -1, ENOSYS, dest, &stbuf, NULL);
- return 0;
-}
-
-int
-bd_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
- dev_t dev, mode_t umask, dict_t *xdata)
-{
- struct iatt stbuf = {0, };
- struct iatt preparent = {0, };
- struct iatt postparent = {0, };
-
- STACK_UNWIND_STRICT (mknod, frame, -1, ENOSYS,
- (loc)?loc->inode:NULL, &stbuf, &preparent,
- &postparent, NULL);
- return 0;
-}
-
-int
-bd_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
- mode_t umask, dict_t *xdata)
-{
- struct iatt stbuf = {0, };
- struct iatt preparent = {0, };
- struct iatt postparent = {0, };
-
- STACK_UNWIND_STRICT (mkdir, frame, -1, ENOSYS,
- (loc)?loc->inode:NULL, &stbuf, &preparent,
- &postparent, NULL);
- return 0;
-}
-
-int
-bd_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
- dict_t *xdata)
-{
- struct iatt preparent = {0, };
- struct iatt postparent = {0, };
-
- STACK_UNWIND_STRICT (rmdir, frame, -1, ENOSYS,
- &preparent, &postparent, NULL);
- return 0;
-}
-
-int32_t
-bd_setxattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, dict_t *dict, int flags, dict_t *xdata)
-{
- STACK_UNWIND_STRICT (setxattr, frame, -1, ENOSYS, NULL);
- return 0;
-}
-
-int32_t
-bd_fsetxattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, dict_t *dict, int flags, dict_t *xdata)
-{
- STACK_UNWIND_STRICT (setxattr, frame, -1, ENOSYS, NULL);
- return 0;
-}
-
-int32_t
-bd_getxattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *name, dict_t *xdata)
-{
- STACK_UNWIND_STRICT (getxattr, frame, -1, ENOSYS, NULL, NULL);
- return 0;
-}
-
-int32_t
-bd_fgetxattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, const char *name, dict_t *xdata)
-{
- STACK_UNWIND_STRICT (fgetxattr, frame, -1, ENOSYS, NULL, NULL);
-
- return 0;
-}
-
-int32_t
-bd_removexattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *name, dict_t *xdata)
-{
- STACK_UNWIND_STRICT (removexattr, frame, -1, ENOSYS, NULL);
- return 0;
-}
-
-int32_t
-bd_fremovexattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, const char *name, dict_t *xdata)
-{
- STACK_UNWIND_STRICT (fremovexattr, frame, -1, ENOSYS, NULL);
- return 0;
-}
-
-int32_t
-bd_fsyncdir (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int datasync, dict_t *xdata)
-{
- STACK_UNWIND_STRICT (fsyncdir, frame, -1, ENOSYS, NULL);
- return 0;
-}
-
-static int gf_bd_lk_log;
-int32_t
-bd_lk (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int32_t cmd, struct gf_flock *lock, dict_t *xdata)
-{
- struct gf_flock nullock = {0, };
-
- GF_LOG_OCCASIONALLY (gf_bd_lk_log, this->name, GF_LOG_CRITICAL,
- "\"features/locks\" translator is "
- "not loaded. You need to use it for proper "
- "functioning of your application.");
-
- STACK_UNWIND_STRICT (lk, frame, -1, ENOSYS, &nullock, NULL);
- return 0;
-}
-
-int32_t
-bd_inodelk (call_frame_t *frame, xlator_t *this,
- const char *volume, loc_t *loc, int32_t cmd,
- struct gf_flock *lock, dict_t *xdata)
-{
- GF_LOG_OCCASIONALLY (gf_bd_lk_log, this->name, GF_LOG_CRITICAL,
- "\"features/locks\" translator is "
- "not loaded. You need to use it for proper "
- "functioning of your application.");
-
- STACK_UNWIND_STRICT (inodelk, frame, -1, ENOSYS, NULL);
- return 0;
-}
-
-int32_t
-bd_finodelk (call_frame_t *frame, xlator_t *this,
- const char *volume, fd_t *fd, int32_t cmd,
- struct gf_flock *lock, dict_t *xdata)
-{
- GF_LOG_OCCASIONALLY (gf_bd_lk_log, this->name, GF_LOG_CRITICAL,
- "\"features/locks\" translator is "
- "not loaded. You need to use it for proper "
- "functioning of your application.");
-
- STACK_UNWIND_STRICT (finodelk, frame, -1, ENOSYS, NULL);
- return 0;
-}
-
-
-int32_t
-bd_entrylk (call_frame_t *frame, xlator_t *this,
- const char *volume, loc_t *loc, const char *basename,
- entrylk_cmd cmd, entrylk_type type, dict_t *xdata)
-{
- GF_LOG_OCCASIONALLY (gf_bd_lk_log, this->name, GF_LOG_CRITICAL,
- "\"features/locks\" translator is "
- "not loaded. You need to use it for proper "
- "functioning of your application.");
-
- STACK_UNWIND_STRICT (entrylk, frame, -1, ENOSYS, NULL);
- return 0;
-}
-
-int32_t
-bd_fentrylk (call_frame_t *frame, xlator_t *this,
- const char *volume, fd_t *fd, const char *basename,
- entrylk_cmd cmd, entrylk_type type, dict_t *xdata)
-{
- GF_LOG_OCCASIONALLY (gf_bd_lk_log, this->name, GF_LOG_CRITICAL,
- "\"features/locks\" translator is "
- "not loaded. You need to use it for proper "
- "functioning of your application.");
-
- STACK_UNWIND_STRICT (fentrylk, frame, -1, ENOSYS, NULL);
- return 0;
-}
-
-int32_t
-bd_rchecksum (call_frame_t *frame, xlator_t *this,
- fd_t *fd, off_t offset, int32_t len, dict_t *xdata)
-{
- int32_t weak_checksum = 0;
- unsigned char strong_checksum[MD5_DIGEST_LENGTH];
-
- STACK_UNWIND_STRICT (rchecksum, frame, -1, ENOSYS,
- weak_checksum, strong_checksum, NULL);
- return 0;
-}
-
-int
-bd_xattrop (call_frame_t *frame, xlator_t *this,
- loc_t *loc, gf_xattrop_flags_t optype, dict_t *xattr,
- dict_t *xdata)
-{
- STACK_UNWIND_STRICT (xattrop, frame, -1, ENOSYS, xattr, NULL);
- return 0;
-}
-
-
-int
-bd_fxattrop (call_frame_t *frame, xlator_t *this,
- fd_t *fd, gf_xattrop_flags_t optype, dict_t *xattr,
- dict_t *xdata)
-{
- STACK_UNWIND_STRICT (xattrop, frame, -1, ENOSYS, xattr, NULL);
- return 0;
-}
-
-int bd_xl_op_create (bd_priv_t *priv, dict_t *input, dict_t *output)
-{
- char *vg = NULL;
- char *lv = NULL;
- char *path = NULL;
- bd_entry_t *p_entry = NULL;
- bd_entry_t *lventry = NULL;
- char *size = 0;
- int ret = -1;
- char *error = NULL;
- int retval = -1;
- char *buff = NULL;
- char *buffp = NULL;
- char *save = NULL;
-
- ret = dict_get_str (input, "size", &size);
- if (ret) {
- gf_asprintf (&error, "no size specified");
- goto out;
- }
- ret = dict_get_str (input, "path", &path);
- if (ret) {
- gf_asprintf (&error, "no path specified");
- goto out;
- }
-
- buff = buffp = gf_strdup (path);
-
- vg = strtok_r (buff, "/", &save);
- lv = strtok_r (NULL, "/", &save);
-
- if (!vg || !lv) {
- gf_asprintf (&error, "invalid path %s", path);
- ret = -1;
- goto out;
- }
-
- BD_ENTRY (priv, p_entry, vg);
- if (!p_entry) {
- ret = -ENOENT;
- goto out;
- }
- BD_ENTRY (priv, lventry, path);
- if (lventry) {
- ret = -EEXIST;
- gf_asprintf (&error, "%s already exists", lv);
- BD_PUT_ENTRY (priv, lventry);
- goto out;
- }
-
- ret = bd_create_lv (priv, p_entry, vg, lv, size, 0);
- if (ret < 0) {
- gf_asprintf (&error, "bd_create_lv error %d", -ret);
- goto out;
- }
- ret = 0;
-out:
- if (p_entry)
- BD_PUT_ENTRY (priv, p_entry);
-
- if (buffp)
- GF_FREE (buffp);
-
- if (error)
- retval = dict_set_dynstr (output, "error", error);
- return ret;
-}
-
-int bd_xl_op_delete (bd_priv_t *priv, dict_t *input, dict_t *output)
-{
- char *vg = NULL;
- char *path = NULL;
- bd_entry_t *p_entry = NULL;
- bd_entry_t *lventry = NULL;
- int ret = -1;
- char *error = NULL;
- int retval = -1;
- char *buff = NULL;
- char *buffp = NULL;
- char *save = NULL;
- int op_errno = 0;
-
- ret = dict_get_str (input, "path", &path);
- if (ret) {
- gf_asprintf (&error, "no path specified");
- goto out;
- }
-
- buff = buffp = gf_strdup (path);
-
- vg = strtok_r (buff, "/", &save);
- if (!vg) {
- gf_asprintf (&error, "invalid path %s", path);
- op_errno = EINVAL;
- ret = -1;
- goto out;
- }
-
- BD_ENTRY (priv, p_entry, vg);
- BD_ENTRY (priv, lventry, path);
- if (!p_entry || !lventry) {
- op_errno = -ENOENT;
- gf_asprintf (&error, "%s not found", path);
- ret = -1;
- goto out;
- }
- ret = bd_delete_lv (priv, p_entry, lventry, path, &op_errno);
- if (ret < 0) {
- gf_asprintf (&error, "bd_delete_lv error, error:%d", op_errno);
- goto out;
- }
- ret = 0;
-out:
- if (p_entry)
- BD_PUT_ENTRY (priv, p_entry);
- if (lventry)
- BD_PUT_ENTRY (priv, lventry);
- if (buffp)
- GF_FREE (buffp);
- if (error)
- retval = dict_set_dynstr (output, "error", error);
- return ret;
-}
-
-int bd_xl_op_clone(bd_priv_t *priv, int subop, dict_t *input, dict_t *output)
-{
- bd_entry_t *p_entry = NULL;
- bd_entry_t *lventry = NULL;
- int ret = -1;
- char *error = NULL;
- int retval = -1;
- char *vg = NULL;
- char *lv = NULL;
- char *dest_lv = NULL;
- char *size = NULL;
- char *buff = NULL;
- char *buffp = NULL;
- char *path = NULL;
- char *save = NULL;
- char *npath = NULL;
-
- ret = dict_get_str (input, "path", &path);
- ret = dict_get_str (input, "dest_lv", &dest_lv);
- ret = dict_get_str (input, "size", &size);
-
- if (!path || !dest_lv) {
- gf_asprintf (&error, "invalid arguments");
- ret = -1;
- goto out;
- }
-
- buff = buffp = gf_strdup (path);
-
- vg = strtok_r (buff, "/", &save);
- lv = strtok_r (NULL, "/", &save);
- if (!lv) {
- gf_asprintf (&error, "lv not given %s", path);
- ret = -1;
- goto out;
- }
-
- BD_ENTRY (priv, p_entry, vg);
- if (!p_entry) {
- gf_asprintf (&error, "%s does not exist", vg);
- retval = dict_set_str (output, "error", error);
- goto out;
- }
-
- BD_ENTRY (priv, lventry, path);
- if (!lventry) {
- gf_asprintf (&error, "%s does not exist", path);
- ret = -1;
- goto out;
- }
- BD_PUT_ENTRY (priv, lventry);
- lventry = NULL;
- gf_asprintf (&npath, "/%s/%s", vg, dest_lv);
- BD_ENTRY (priv, lventry, npath);
- if (lventry) {
- gf_asprintf (&error, "%s already exists", dest_lv);
- BD_PUT_ENTRY (priv, lventry);
- ret = -1;
- goto out;
- }
-
- if (subop == GF_BD_OP_SNAPSHOT_BD) {
- if (!size) {
- gf_asprintf (&error, "size not given");
- ret = -1;
- goto out;
- }
- ret = bd_snapshot_lv (priv, p_entry, output, lv, dest_lv,
- size, NULL);
- } else
- ret = bd_clone_lv (priv, p_entry, output, vg, lv, dest_lv,
- NULL);
-
- if (ret)
- goto out;
- ret = 0;
-out:
- if (error)
- retval = dict_set_dynstr (output, "error", error);
- if (p_entry)
- BD_PUT_ENTRY (priv, p_entry);
- if (npath)
- GF_FREE (npath);
- if (buffp)
- GF_FREE (buffp);
- return ret;
-}
-
-int32_t
-bd_notify (xlator_t *this, dict_t *input, dict_t *output)
-{
- int ret = -1;
- int retval = -1;
- int32_t bdop = -1;
- bd_priv_t *priv = NULL;
- char *error = NULL;
-
- priv = this->private;
- VALIDATE_OR_GOTO (priv, out);
-
- ret = dict_get_int32 (input, "bd-op", (int32_t *)&bdop);
- if (ret) {
- gf_asprintf (&error, "no sub-op specified");
- goto out;
- }
-
- switch (bdop)
- {
- case GF_BD_OP_NEW_BD:
- ret = bd_xl_op_create (priv, input, output);
- break;
- case GF_BD_OP_DELETE_BD:
- ret = bd_xl_op_delete (priv, input, output);
- break;
- case GF_BD_OP_CLONE_BD:
- case GF_BD_OP_SNAPSHOT_BD:
- ret = bd_xl_op_clone (priv, bdop, input, output);
- break;
- default:
- gf_asprintf (&error, "invalid bd-op %d specified", bdop);
- retval = dict_set_dynstr (output, "error", error);
- goto out;
- }
-
-out:
- return ret;
-}
-
-/**
- * notify - when parent sends PARENT_UP, send CHILD_UP event from here
- */
-int32_t
-notify (xlator_t *this,
- int32_t event,
- void *data,
- ...)
-{
- va_list ap;
- int ret = 0;
- void *data2 = NULL;
- dict_t *input = NULL;
- dict_t *output = NULL;
-
- va_start (ap, data);
- data2 = va_arg (ap, dict_t *);
- va_end (ap);
-
- switch (event)
- {
- case GF_EVENT_PARENT_UP:
- {
- /* Tell the parent that bd xlator is up */
- default_notify (this, GF_EVENT_CHILD_UP, data);
- }
- break;
- case GF_EVENT_TRANSLATOR_OP:
- input = data;
- output = data2;
- if (!output)
- output = dict_new ();
- ret = bd_notify (this, input, output);
- break;
-
- default:
- break;
- }
- return ret;
-}
-
-int32_t
-mem_acct_init (xlator_t *this)
-{
- int ret = -1;
-
- if (!this)
- return ret;
-
- ret = xlator_mem_acct_init (this, gf_bd_mt_end + 1);
-
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR, "Memory accounting init"
- "failed");
- return ret;
- }
-
- return ret;
-}
-
-
-/**
- * init - Constructs lists of LVs in the given VG
- */
-int
-init (xlator_t *this)
-{
- bd_priv_t *_private = NULL;
- int ret = 0;
- char *vg = NULL;
- char *device = NULL;
-
- LOCK_INIT (&inode_lk);
-
- bd_rootp = bd_entry_add_root ();
- if (!bd_rootp) {
- gf_log (this->name, GF_LOG_CRITICAL,
- "FATAL: adding root entry failed");
- return -1;
- }
-
- if (this->children) {
- gf_log (this->name, GF_LOG_CRITICAL,
- "FATAL: storage/bd cannot have subvolumes");
- ret = -1;
- goto out;
- }
-
- if (!this->parents) {
- gf_log (this->name, GF_LOG_WARNING,
- "Volume is dangling. Please check the volume file.");
- }
-
- ret = dict_get_str (this->options, "device", &device);
- if (ret) {
- gf_log (this->name, GF_LOG_CRITICAL,
- "FATAL: storage/bd does not specify backend");
- return -1;
- }
-
- /* Now we support only LV device */
- if (strcasecmp (device, BACKEND_VG)) {
- gf_log (this->name, GF_LOG_CRITICAL,
- "FATAL: unknown %s backend %s", BD_XLATOR, device);
- return -1;
- }
-
- ret = dict_get_str (this->options, "export", &vg);
- if (ret) {
- gf_log (this->name, GF_LOG_CRITICAL,
- "FATAL: storage/bd does not specify volume groups");
- return -1;
- }
-
- ret = 0;
- _private = GF_CALLOC (1, sizeof(*_private), gf_bd_private);
- if (!_private)
- goto error;
-
- pthread_rwlock_init (&_private->lock, NULL);
- this->private = (void *)_private;
- _private->handle = NULL;
- _private->vg = gf_strdup (vg);
- if (!_private->vg) {
- goto error;
- }
-
- if (bd_build_lv_list (this->private, vg) < 0)
- goto error;
-
-out:
- return 0;
-error:
- BD_WR_LOCK (&_private->lock);
- bd_entry_cleanup ();
- lvm_quit (_private->handle);
- if (_private->vg)
- GF_FREE (_private->vg);
- GF_FREE (_private);
- return -1;
-}
-
-void
-fini (xlator_t *this)
-{
- bd_priv_t *priv = this->private;
- if (!priv)
- return;
- lvm_quit (priv->handle);
- BD_WR_LOCK (&priv->lock);
- bd_entry_cleanup ();
- BD_UNLOCK (&priv->lock);
- GF_FREE (priv->vg);
- this->private = NULL;
- GF_FREE (priv);
- return;
-}
-
-struct xlator_dumpops dumpops = {
- .priv = bd_priv,
- .inode = bd_inode,
-};
-
-struct xlator_fops fops = {
- /* Not supported */
- .readlink = bd_readlink,
- .mknod = bd_mknod,
- .mkdir = bd_mkdir,
- .rmdir = bd_rmdir,
- .setxattr = bd_setxattr,
- .fsetxattr = bd_fsetxattr,
- .getxattr = bd_getxattr,
- .fgetxattr = bd_fgetxattr,
- .removexattr = bd_removexattr,
- .fremovexattr= bd_fremovexattr,
- .fsyncdir = bd_fsyncdir,
- .lk = bd_lk,
- .inodelk = bd_inodelk,
- .finodelk = bd_finodelk,
- .entrylk = bd_entrylk,
- .fentrylk = bd_fentrylk,
- .rchecksum = bd_rchecksum,
- .xattrop = bd_xattrop,
-
- /* Supported */
- .lookup = bd_lookup,
- .opendir = bd_opendir,
- .readdir = bd_readdir,
- .readdirp = bd_readdirp,
- .stat = bd_stat,
- .statfs = bd_statfs,
- .open = bd_open,
- .access = bd_access,
- .flush = bd_flush,
- .readv = bd_readv,
- .fstat = bd_fstat,
- .truncate = bd_truncate,
- .ftruncate = bd_ftruncate,
- .fsync = bd_fsync,
- .writev = bd_writev,
- .fstat = bd_fstat,
- .create = bd_create,
- .setattr = bd_setattr,
- .fsetattr = bd_fsetattr,
- .unlink = bd_unlink,
- .link = bd_link,
- .symlink = bd_symlink,
- .rename = bd_rename,
-};
-
-struct xlator_cbks cbks = {
- .releasedir = bd_releasedir,
- .release = bd_release,
-};
-
-struct volume_options options[] = {
- { .key = {"export"},
- .type = GF_OPTION_TYPE_STR},
- { .key = {"device"},
- .type = GF_OPTION_TYPE_STR},
- { .key = {NULL} }
-};
diff --git a/xlators/storage/bd_map/src/bd_map.h b/xlators/storage/bd_map/src/bd_map.h
deleted file mode 100644
index fa10e97a947..00000000000
--- a/xlators/storage/bd_map/src/bd_map.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- BD translator - Exports Block devices on server side as regular
- files to client
-
- Copyright IBM, Corp. 2012
-
- This file is part of GlusterFS.
-
- Author:
- M. Mohan Kumar <mohan@in.ibm.com>
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#ifndef _BD_MAP_H
-#define _BD_MAP_H
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "mem-types.h"
-
-#define BD_XLATOR "block device mapper xlator"
-
-#define BACKEND_VG "vg"
-
-/* lvm2-2.02.79 added this in lvm2app.h, but it is available for linking in
- * older versions already */
-#if NEED_LVM_LV_FROM_NAME_DECL
-lv_t lvm_lv_from_name(vg_t vg, const char *name);
-#endif
-
-enum gf_bd_mem_types_ {
- gf_bd_fd = gf_common_mt_end + 1,
- gf_bd_private,
- gf_bd_entry,
- gf_bd_attr,
- gf_bd_mt_end
-};
-
-/*
- * Each BD/LV is represented by this data structure
- * Usually root entry will have only children and there is no sibling for that
- * All other entries may have children and/or sibling entries
- * If an entry is a Volume Group it will have child (. & .. and Logical
- * Volumes) and also other Volume groups will be a sibling for this
- */
-typedef struct bd_entry {
- struct list_head child; /* List to child */
- struct list_head sibling; /* List of siblings */
- struct bd_entry *parent;/* Parent of this node */
- struct bd_entry *link; /* Link to actual entry, if its . or .. */
- char name[NAME_MAX];
- struct iatt *attr;
- int refcnt;
- uint64_t size;
- pthread_rwlock_t lock;
-} bd_entry_t;
-
-/**
- * bd_fd - internal structure common to file and directory fd's
- */
-typedef struct bd_fd {
- bd_entry_t *entry;
- bd_entry_t *p_entry; /* Parent entry */
- int fd;
- int32_t flag;
-} bd_fd_t;
-
-typedef struct bd_priv {
- lvm_t handle;
- pthread_rwlock_t lock;
- char *vg;
-} bd_priv_t;
-
-#endif
diff --git a/xlators/storage/bd_map/src/bd_map_help.c b/xlators/storage/bd_map/src/bd_map_help.c
deleted file mode 100644
index 0613aa383ff..00000000000
--- a/xlators/storage/bd_map/src/bd_map_help.c
+++ /dev/null
@@ -1,501 +0,0 @@
-/*
- BD translator - Exports Block devices on server side as regular
- files to client
-
- Copyright IBM, Corp. 2012
-
- This file is part of GlusterFS.
-
- Author:
- M. Mohan Kumar <mohan@in.ibm.com>
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#define __XOPEN_SOURCE 500
-
-#include <libgen.h>
-#include <time.h>
-#include <lvm2app.h>
-
-#include "bd_map.h"
-#include "bd_map_help.h"
-#include "defaults.h"
-#include "glusterfs3-xdr.h"
-
-#define CHILD_ENTRY(node) list_entry ((&node->child)->next, typeof(*node), \
- child)
-
-bd_entry_t *bd_rootp;
-gf_lock_t inode_lk;
-static uint64_t bd_entry_ino = 5000; /* Starting inode */
-
-static void bd_entry_get_ino (uint64_t *inode)
-{
- LOCK (&inode_lk);
- {
- *inode = bd_entry_ino++;
- }
- UNLOCK (&inode_lk);
-}
-
-void bd_update_time (bd_entry_t *entry, int type)
-{
- struct timespec ts;
-
- clock_gettime (CLOCK_REALTIME, &ts);
- if (type == 0) {
- entry->attr->ia_mtime = ts.tv_sec;
- entry->attr->ia_mtime_nsec = ts.tv_nsec;
- entry->attr->ia_atime = ts.tv_sec;
- entry->attr->ia_atime_nsec = ts.tv_nsec;
- } else if (type == 1) {
- entry->attr->ia_mtime = ts.tv_sec;
- entry->attr->ia_mtime_nsec = ts.tv_nsec;
- } else {
- entry->attr->ia_atime = ts.tv_sec;
- entry->attr->ia_atime_nsec = ts.tv_nsec;
- }
-}
-
-static bd_entry_t *bd_entry_init (const char *name)
-{
- bd_entry_t *bdentry;
-
- bdentry = GF_MALLOC (sizeof(bd_entry_t), gf_bd_entry);
- if (!bdentry)
- return NULL;
-
- bdentry->attr = GF_MALLOC (sizeof(struct iatt), gf_bd_attr);
- if (!bdentry->attr) {
- GF_FREE (bdentry);
- return NULL;
- }
-
- strcpy (bdentry->name, name);
- INIT_LIST_HEAD (&bdentry->sibling);
- INIT_LIST_HEAD (&bdentry->child);
- bdentry->link = NULL;
- bdentry->refcnt = 0;
- return bdentry;
-}
-
-static bd_entry_t *bd_entry_clone (bd_entry_t *orig, char *name)
-{
- bd_entry_t *bdentry;
-
- bdentry = GF_MALLOC (sizeof(bd_entry_t), gf_bd_entry);
- if (!bdentry)
- return NULL;
-
- bdentry->attr = orig->attr;
-
- strcpy (bdentry->name, name);
- INIT_LIST_HEAD (&bdentry->sibling);
- INIT_LIST_HEAD (&bdentry->child);
- bdentry->link = orig;
- bdentry->refcnt = 0;
- return bdentry;
-}
-
-static void bd_entry_init_iattr (struct iatt *attr, int type)
-{
- struct timespec ts = {0, };
-
- clock_gettime (CLOCK_REALTIME, &ts);
- attr->ia_dev = ia_makedev (0, 0); /* FIXME: */
- attr->ia_type = type;
- attr->ia_prot = ia_prot_from_st_mode (0750);
- attr->ia_nlink = 2;
- attr->ia_uid = 0;
- attr->ia_gid = 0;
- attr->ia_rdev = ia_makedev (0, 0);
-
- attr->ia_size = 4096; /* FIXME */
- attr->ia_blksize = 4096;
- attr->ia_blocks = 0;
-
- attr->ia_atime = ts.tv_sec;
- attr->ia_atime_nsec = ts.tv_nsec;
- attr->ia_mtime = ts.tv_sec;
- attr->ia_mtime_nsec = ts.tv_nsec;
- attr->ia_ctime = ts.tv_sec;
- attr->ia_ctime_nsec = ts.tv_nsec;
-}
-
-/*
- * bd_entry_istat: Initialize iatt strucutre for a given path on success
- */
-void bd_entry_istat (const char *path, struct iatt *attr, int type)
-{
- struct stat stbuf = {0, };
-
- if (stat (path, &stbuf) < 0)
- bd_entry_init_iattr (attr, type);
- else
- iatt_from_stat (attr, &stbuf);
- sprintf ((char *)attr->ia_gfid, "%lx", stbuf.st_ino);
-}
-
-/*
- * Adds the root entry and required entries
- * ie header entry followed by . and .. entries
- */
-bd_entry_t *bd_entry_add_root (void)
-{
- bd_entry_t *bdentry = NULL;
- bd_entry_t *h_entry = NULL;
- bd_entry_t *d_entry = NULL;
- bd_entry_t *dd_entry = NULL;
-
- bdentry = bd_entry_init ("/");
- if (!bdentry)
- return NULL;
-
- bdentry->parent = bdentry;
-
- bd_entry_get_ino (&bdentry->attr->ia_ino);
- sprintf ((char *)bdentry->attr->ia_gfid, "%ld",
- bdentry->attr->ia_ino << 2);
- bd_entry_init_iattr (bdentry->attr, IA_IFDIR);
-
- h_entry = bd_entry_clone (bdentry, "");
- bdentry->child.next = &h_entry->child;
- bdentry->child.prev = &h_entry->child;
-
- d_entry = bd_entry_clone (bdentry, ".");
- dd_entry = bd_entry_clone (bdentry, "..");
-
- list_add_tail (&d_entry->sibling, &h_entry->sibling);
- list_add_tail (&dd_entry->sibling, &h_entry->sibling);
- return bdentry;
-}
-
-bd_entry_t *bd_entry_add (bd_entry_t *parent, const char *name,
- struct iatt *iattr, ia_type_t type)
-{
- bd_entry_t *bdentry = NULL;
- bd_entry_t *h_entry = NULL;
- bd_entry_t *d_entry = NULL;
- bd_entry_t *dd_entry = NULL;
- bd_entry_t *sentry = NULL;
- struct timespec ts = { 0, };
-
- if (!parent)
- parent = bd_rootp;
-
- if (type != IA_IFREG && type != IA_IFDIR)
- return NULL;
-
- bdentry = bd_entry_init (name);
- if (!bdentry)
- return NULL;
-
- bdentry->parent = parent;
-
- iattr->ia_type = type;
-
- bd_entry_get_ino (&iattr->ia_ino);
- if (IA_ISDIR(type)) {
- h_entry = bd_entry_clone (bdentry, "");
- parent->attr->ia_nlink++;
- bdentry->child.next = &h_entry->child;
- bdentry->child.prev = &h_entry->child;
-
- d_entry = bd_entry_clone (bdentry, ".");
- dd_entry = bd_entry_clone (bdentry, "..");
-
- list_add_tail (&d_entry->sibling, &h_entry->sibling);
- list_add_tail (&dd_entry->sibling, &h_entry->sibling);
- }
- memcpy (bdentry->attr, iattr, sizeof(*iattr));
-
- clock_gettime (CLOCK_REALTIME, &ts);
- parent->attr->ia_mtime = ts.tv_sec;
- parent->attr->ia_mtime_nsec = ts.tv_nsec;
- bdentry->size = iattr->ia_size;
-
- sentry = CHILD_ENTRY (parent);
- list_add_tail (&bdentry->sibling, &sentry->sibling);
- return bdentry;
-}
-
-bd_entry_t *bd_entry_get_list (const char *name, bd_entry_t *parent)
-{
- bd_entry_t *centry = NULL;
- bd_entry_t *bdentry = NULL;
-
- if (!parent)
- parent = bd_rootp;
-
- if (parent->child.next == &parent->child)
- return NULL;
-
- centry = CHILD_ENTRY (parent);
- if (!strcmp (centry->name, name))
- return centry;
-
- list_for_each_entry (bdentry, &centry->sibling, sibling) {
- if (!strcmp (bdentry->name, name))
- return bdentry;
- }
- return NULL;
-}
-
-/* FIXME: Do we need hashing here? */
-bd_entry_t *bd_entry_find_by_gfid (const char *path)
-{
- bd_entry_t *h = NULL;
- bd_entry_t *tmp = NULL;
- bd_entry_t *tmp2 = NULL;
- bd_entry_t *node = NULL;
- bd_entry_t *cnode = NULL;
- bd_entry_t *leaf = NULL;
- char *gfid = NULL;
- char *cp = NULL;
- char *bgfid = NULL;
- bd_entry_t *entry = NULL;
-
- gfid = GF_MALLOC (strlen(path) + 1, gf_common_mt_char);
- sscanf (path, "<gfid:%s", gfid);
- if (!gfid)
- return NULL;
-
- cp = strchr(gfid, '>');
- *cp = '\0';
-
- node = CHILD_ENTRY (bd_rootp);
-
- bgfid = GF_MALLOC (GF_UUID_BUF_SIZE, gf_common_mt_char);
- if (!bgfid)
- return NULL;
-
- list_for_each_entry_safe (h, tmp, &node->sibling, sibling) {
- uuid_utoa_r (h->attr->ia_gfid, bgfid);
- if (!h->link && !strcmp (gfid, bgfid)) {
- entry = h;
- goto out;
- }
-
- /* if we have children for this node */
- if (h->child.next != &h->child) {
- cnode = CHILD_ENTRY (h);
- uuid_utoa_r (cnode->attr->ia_gfid, bgfid);
- if (!cnode->link && !strcmp (gfid, bgfid)) {
- entry = cnode;
- goto out;
- }
-
- list_for_each_entry_safe (leaf, tmp2, (&cnode->sibling),
- sibling) {
- uuid_utoa_r (leaf->attr->ia_gfid, bgfid);
- if (!leaf->link && !strcmp (gfid, bgfid)) {
- entry = leaf;
- goto out;
- }
-
- }
- }
- }
-out:
- if (bgfid)
- GF_FREE (bgfid);
-
- return entry;
-}
-
-/* Called with priv->bd_lock held */
-bd_entry_t *bd_entry_get (const char *name)
-{
- bd_entry_t *pentry = NULL;
- char *path = NULL;
- char *comp = NULL;
- char *save = NULL;
-
- if (!strncmp (name, "<gfid:", 5)) {
- pentry = bd_entry_find_by_gfid (name);
- if (pentry)
- pentry->refcnt++;
- return pentry;
- }
-
- if (!strcmp (name, "/")) {
- bd_rootp->refcnt++;
- return bd_rootp;
- }
-
- path = gf_strdup (name);
- comp = strtok_r (path, "/", &save);
- pentry = bd_entry_get_list (comp, NULL);
- if (!pentry)
- goto out;
- while (comp) {
- comp = strtok_r (NULL, "/", &save);
- if (!comp)
- break;
- pentry = bd_entry_get_list (comp, pentry);
- if (!pentry)
- goto out;
- }
-
- pentry->refcnt++;
-out:
- GF_FREE (path);
- return pentry;
-}
-
-int bd_entry_rm (const char *path)
-{
- bd_entry_t *bdentry = NULL;
- int ret = -1;
-
- bdentry = bd_entry_get (path);
- if (!bdentry)
- goto out;
-
- list_del_init (&bdentry->sibling);
- list_del_init (&bdentry->child);
- GF_FREE (bdentry);
-
- ret = 0;
-out:
- return ret;
-}
-
-
-
-/* Called with priv->bd_lock held */
-void bd_entry_put (bd_entry_t *entry)
-{
- entry->refcnt--;
-}
-
-int bd_build_lv_list (bd_priv_t *priv, char *vg_name)
-{
- struct dm_list *lv_dm_list = NULL;
- struct lvm_lv_list *lv_list = NULL;
- struct iatt iattr = {0, };
- char path[PATH_MAX] = {0, };
- vg_t vg = NULL;
- bd_entry_t *vg_map = NULL;
- bd_entry_t *bd = NULL;
- int ret = -1;
- const char *lv_name = NULL;
-
- priv->handle = lvm_init (NULL);
- if (!priv->handle) {
- gf_log (THIS->name, GF_LOG_CRITICAL, "FATAL: bd_init failed");
- return -1;
- }
-
- BD_WR_LOCK (&priv->lock);
-
- vg = lvm_vg_open (priv->handle, vg_name, "r", 0);
- if (!vg) {
- gf_log (THIS->name, GF_LOG_CRITICAL,
- "opening vg %s failed", vg_name);
- goto out;
- }
- /* get list of LVs associated with this VG */
- lv_dm_list = lvm_vg_list_lvs (vg);
- sprintf (path, "/dev/%s", vg_name);
- bd_entry_istat (path, &iattr, IA_IFDIR);
- vg_map = bd_entry_add (bd_rootp, vg_name, &iattr,
- IA_IFDIR);
- if (!vg_map) {
- gf_log (THIS->name, GF_LOG_CRITICAL,
- "bd_add_entry failed");
- goto out;
- }
- ret = 0;
- if (!lv_dm_list) /* no lvs for this VG */
- goto out;
-
- dm_list_iterate_items (lv_list, lv_dm_list) {
- if (!lv_list)
- continue;
- lv_name = lvm_lv_get_name (lv_list->lv);
- /* snapshot%d is reserved name */
- if (!strncmp (lv_name, "snapshot", 8))
- continue;
- /* get symbolic path for this LV */
- sprintf (path, "/dev/%s/%s", vg_name, lv_name);
- bd_entry_istat (path, &iattr, IA_IFREG);
- /* Make the file size equivalant to BD size */
- iattr.ia_size = lvm_lv_get_size (lv_list->lv);
- /* got LV, add it to our tree */
- bd = bd_entry_add (vg_map,
- lvm_lv_get_name (lv_list->lv),
- &iattr, IA_IFREG);
- if (bd == NULL) {
- gf_log (THIS->name, GF_LOG_ERROR,
- "bd_add_entry failed");
- goto out;
- }
- }
-out:
- if (vg)
- lvm_vg_close (vg);
-
- BD_UNLOCK (&priv->lock);
- return ret;
-}
-
-/*
- * Called with bd_lock held to cleanup entire list. If there was a
- * reference to any one of the entry, nothing cleared.
- * Return 0 on success -1 in case if there is a reference to the entry
- */
-int bd_entry_cleanup (void)
-{
- bd_entry_t *node = NULL;
- bd_entry_t *tmp = NULL;
- bd_entry_t *tmp2 = NULL;
- bd_entry_t *cnode = NULL;
- bd_entry_t *h = NULL;
- bd_entry_t *leaf = NULL;
-
- if (!bd_rootp)
- return 0;
-
- node = CHILD_ENTRY (bd_rootp);
- if (node->refcnt) {
- gf_log (THIS->name, GF_LOG_WARNING,
- "entry %s is inuse\n", node->name);
- return -1;
- }
- list_for_each_entry_safe (h, tmp, &node->sibling, sibling) {
- /* if we have children for this node */
- if (h->child.next != &h->child) {
- cnode = CHILD_ENTRY (h);
- list_for_each_entry_safe (leaf, tmp2, (&cnode->sibling),
- sibling) {
- list_del_init (&leaf->sibling);
- list_del_init (&leaf->child);
- if (!leaf->link)
- GF_FREE (leaf->attr);
- GF_FREE (leaf);
- }
- list_del_init (&cnode->sibling);
- list_del_init (&cnode->child);
- if (!cnode->link)
- GF_FREE (cnode->attr);
- GF_FREE (cnode);
- }
- if (!h->link)
- GF_FREE (h->attr);
- GF_FREE (h);
- }
- GF_FREE (h);
- GF_FREE (bd_rootp->attr);
- GF_FREE (bd_rootp);
- return 0;
-}
diff --git a/xlators/storage/bd_map/src/bd_map_help.h b/xlators/storage/bd_map/src/bd_map_help.h
deleted file mode 100644
index 9fafa2d137e..00000000000
--- a/xlators/storage/bd_map/src/bd_map_help.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- BD translator - Exports Block devices on server side as regular
- files to client.
-
- Copyright IBM, Corp. 2012
-
- This file is part of GlusterFS.
-
- Author:
- M. Mohan Kumar <mohan@in.ibm.com>
-
- This file is licensed to you under your choice of the GNU Lesser
- General Public License, version 3 or any later version (LGPLv3 or
- later), or the GNU General Public License, version 2 (GPLv2), in all
- cases as published by the Free Software Foundation.
-*/
-#ifndef _BD_MAP_HELP_H
-#define _BD_MAP_HELP_H
-
-#define BD_RD_LOCK(lock) \
- pthread_rwlock_rdlock (lock);
-
-#define BD_WR_LOCK(lock) \
- pthread_rwlock_wrlock (lock);
-
-#define BD_UNLOCK(lock) \
- pthread_rwlock_unlock (lock);
-
-#define BD_WR_ENTRY(priv, bdentry, path) \
- do { \
- BD_WR_LOCK (&priv->lock); \
- bdentry = bd_entry_get (path); \
- BD_UNLOCK (&priv->lock); \
- } while (0)
-
-#define BD_ENTRY(priv, bdentry, path) \
- do { \
- BD_RD_LOCK (&priv->lock); \
- bdentry = bd_entry_get (path); \
- BD_UNLOCK (&priv->lock); \
- } while (0)
-
-#define BD_PUT_ENTRY(priv, bdentry) \
- do { \
- BD_RD_LOCK (&priv->lock); \
- bd_entry_put (bdentry); \
- BD_UNLOCK (&priv->lock); \
- } while (0)
-
-#define BD_ENTRY_UPDATE_TIME(bdentry) bd_update_time (bdentry, 0)
-#define BD_ENTRY_UPDATE_ATIME(bdentry) bd_update_time (bdentry, 2)
-#define BD_ENTRY_UPDATE_MTIME(bdentry) bd_update_time (bdentry, 1)
-
-extern bd_entry_t *bd_rootp;
-extern gf_lock_t inode_lk;
-
-void bd_entry_istat (const char *path, struct iatt *attr, int type);
-bd_entry_t *bd_entry_add_root (void);
-bd_entry_t *bd_entry_add (bd_entry_t *parent, const char *name,
- struct iatt *iattr, ia_type_t type);
-bd_entry_t *bd_entry_get_list (const char *name, bd_entry_t *parent);
-bd_entry_t *bd_entry_get (const char *name);
-void bd_entry_put (bd_entry_t *entry);
-int bd_build_lv_list (bd_priv_t *priv, char *vg);
-int bd_entry_cleanup (void);
-void bd_update_time (bd_entry_t *entry, int type);
-int bd_entry_rm (const char *path);
-
-#endif
generated by cgit (git 2.34.1) at 2024-11-12 23:22:37 +0000