summaryrefslogtreecommitdiffstats
path: root/xlators/cluster/stripe/src/stripe.h
diff options
context:
space:
mode:
Diffstat (limited to 'xlators/cluster/stripe/src/stripe.h')
-rw-r--r--xlators/cluster/stripe/src/stripe.h288
1 files changed, 0 insertions, 288 deletions
diff --git a/xlators/cluster/stripe/src/stripe.h b/xlators/cluster/stripe/src/stripe.h
deleted file mode 100644
index 5673d18f390..00000000000
--- a/xlators/cluster/stripe/src/stripe.h
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
- This file is part of GlusterFS.
-
- 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 _STRIPE_H_
-#define _STRIPE_H_
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "xlator.h"
-#include "logging.h"
-#include "defaults.h"
-#include "common-utils.h"
-#include "compat.h"
-#include "compat-errno.h"
-#include "stripe-mem-types.h"
-#include "libxlator.h"
-#include <fnmatch.h>
-#include <signal.h>
-
-#define STRIPE_PATHINFO_HEADER "STRIPE:"
-#define STRIPE_MIN_BLOCK_SIZE (16*GF_UNIT_KB)
-
-#define STRIPE_STACK_UNWIND(fop, frame, params ...) do { \
- stripe_local_t *__local = NULL; \
- if (frame) { \
- __local = frame->local; \
- frame->local = NULL; \
- } \
- STACK_UNWIND_STRICT (fop, frame, params); \
- if (__local) { \
- stripe_local_wipe(__local); \
- mem_put (__local); \
- } \
- } while (0)
-
-#define STRIPE_STACK_DESTROY(frame) do { \
- stripe_local_t *__local = NULL; \
- __local = frame->local; \
- frame->local = NULL; \
- STACK_DESTROY (frame->root); \
- if (__local) { \
- stripe_local_wipe (__local); \
- mem_put (__local); \
- } \
- } while (0)
-
-#define STRIPE_VALIDATE_FCTX(fctx, label) do { \
- int idx = 0; \
- if (!fctx) { \
- op_errno = EINVAL; \
- goto label; \
- } \
- for (idx = 0; idx < fctx->stripe_count; idx++) { \
- if (!fctx->xl_array[idx]) { \
- gf_log (this->name, GF_LOG_ERROR, \
- "fctx->xl_array[%d] is NULL", \
- idx); \
- op_errno = ESTALE; \
- goto label; \
- } \
- } \
- } while (0)
-
-typedef struct stripe_xattr_sort {
- int pos;
- int xattr_len;
- char *xattr_value;
-} stripe_xattr_sort_t;
-
-/**
- * struct stripe_options : This keeps the pattern and the block-size
- * information, which is used for striping on a file.
- */
-struct stripe_options {
- struct stripe_options *next;
- char path_pattern[256];
- uint64_t block_size;
-};
-
-/**
- * Private structure for stripe translator
- */
-struct stripe_private {
- struct stripe_options *pattern;
- xlator_t **xl_array;
- uint64_t block_size;
- gf_lock_t lock;
- uint8_t nodes_down;
- int8_t first_child_down;
- int *last_event;
- int8_t child_count;
- gf_boolean_t xattr_supported; /* default yes */
- gf_boolean_t coalesce;
- char vol_uuid[UUID_SIZE + 1];
-};
-
-/**
- * Used to keep info about the replies received from readv/writev calls
- */
-struct stripe_replies {
- struct iovec *vector;
- int32_t count; //count of vector
- int32_t op_ret; //op_ret of readv
- int32_t op_errno;
- int32_t requested_size;
- struct iatt stbuf; /* 'stbuf' is also a part of reply */
-};
-
-typedef struct _stripe_fd_ctx {
- off_t stripe_size;
- int stripe_count;
- int stripe_coalesce;
- int static_array;
- xlator_t **xl_array;
-} stripe_fd_ctx_t;
-
-
-/**
- * Local structure to be passed with all the frames in case of STACK_WIND
- */
-struct stripe_local; /* this itself is used inside the structure; */
-
-struct stripe_local {
- struct stripe_local *next;
- call_frame_t *orig_frame;
-
- stripe_fd_ctx_t *fctx;
-
- /* Used by _cbk functions */
- struct iatt stbuf;
- struct iatt pre_buf;
- struct iatt post_buf;
- struct iatt preparent;
- struct iatt postparent;
-
- off_t stbuf_size;
- off_t prebuf_size;
- off_t postbuf_size;
- off_t preparent_size;
- off_t postparent_size;
-
- blkcnt_t stbuf_blocks;
- blkcnt_t prebuf_blocks;
- blkcnt_t postbuf_blocks;
- blkcnt_t preparent_blocks;
- blkcnt_t postparent_blocks;
-
- struct stripe_replies *replies;
- struct statvfs statvfs_buf;
- dir_entry_t *entry;
-
- int8_t revalidate;
- int8_t failed;
- int8_t unwind;
-
- size_t readv_size;
- int32_t entry_count;
- int32_t node_index;
- int32_t call_count;
- int32_t wind_count; /* used instead of child_cound
- in case of read and write */
- int32_t op_ret;
- int32_t op_errno;
- int32_t count;
- int32_t flags;
- char *name;
- inode_t *inode;
-
- loc_t loc;
- loc_t loc2;
-
- mode_t mode;
- dev_t rdev;
- /* For File I/O fops */
- dict_t *xdata;
-
- stripe_xattr_sort_t *xattr_list;
- int32_t xattr_total_len;
- int32_t nallocs;
- char xsel[256];
-
- struct marker_str marker;
-
- /* General usage */
- off_t offset;
- off_t stripe_size;
-
- int xattr_self_heal_needed;
- int entry_self_heal_needed;
-
- int8_t *list;
- struct gf_flock lock;
- fd_t *fd;
- void *value;
- struct iobref *iobref;
- gf_dirent_t entries;
- gf_dirent_t *dirent;
- dict_t *xattr;
- uuid_t ia_gfid;
-
- int xflag;
- mode_t umask;
-};
-
-typedef struct stripe_local stripe_local_t;
-typedef struct stripe_private stripe_private_t;
-
-/*
- * Determine the stripe index of a particular frame based on the translator.
- */
-static inline int32_t stripe_get_frame_index(stripe_fd_ctx_t *fctx,
- call_frame_t *prev)
-{
- int32_t i, idx = -1;
-
- for (i = 0; i < fctx->stripe_count; i++) {
- if (fctx->xl_array[i] == prev->this) {
- idx = i;
- break;
- }
- }
-
- return idx;
-}
-
-static inline void stripe_copy_xl_array(xlator_t **dst, xlator_t **src,
- int count)
-{
- int i;
-
- for (i = 0; i < count; i++)
- dst[i] = src[i];
-}
-
-void stripe_local_wipe (stripe_local_t *local);
-int32_t stripe_ctx_handle (xlator_t *this, call_frame_t *prev,
- stripe_local_t *local, dict_t *dict);
-void stripe_aggregate_xattr (dict_t *dst, dict_t *src);
-int32_t stripe_xattr_request_build (xlator_t *this, dict_t *dict,
- uint64_t stripe_size, uint32_t stripe_count,
- uint32_t stripe_index,
- uint32_t stripe_coalesce);
-int32_t stripe_get_matching_bs (const char *path, stripe_private_t *priv);
-int set_stripe_block_size (xlator_t *this, stripe_private_t *priv, char *data);
-int32_t stripe_iatt_merge (struct iatt *from, struct iatt *to);
-int32_t stripe_fill_pathinfo_xattr (xlator_t *this, stripe_local_t *local,
- char **xattr_serz);
-int32_t stripe_free_xattr_str (stripe_local_t *local);
-int32_t stripe_xattr_aggregate (char *buffer, stripe_local_t *local,
- int32_t *total);
-off_t coalesced_offset(off_t offset, uint64_t stripe_size, int stripe_count);
-off_t uncoalesced_size(off_t size, uint64_t stripe_size, int stripe_count,
- int stripe_index);
-int32_t
-stripe_fill_lockinfo_xattr (xlator_t *this, stripe_local_t *local,
- void **xattr_serz);
-
-/*
- * Adjust the size attribute for files if coalesce is enabled.
- */
-static inline void correct_file_size(struct iatt *buf, stripe_fd_ctx_t *fctx,
- call_frame_t *prev)
-{
- int index;
-
- if (!IA_ISREG(buf->ia_type))
- return;
-
- if (!fctx || !fctx->stripe_coalesce)
- return;
-
- index = stripe_get_frame_index(fctx, prev);
- buf->ia_size = uncoalesced_size(buf->ia_size, fctx->stripe_size,
- fctx->stripe_count, index);
-}
-
-#endif /* _STRIPE_H_ */
generated by cgit (git 2.34.1) at 2026-01-04 09:48:24 +0000