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|
/*
Copyright (c) 2006-2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _XLATOR_H
#define _XLATOR_H
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdint.h>
#include <inttypes.h>
#include "logging.h"
#include "common-utils.h"
#include "dict.h"
#include "compat.h"
#include "list.h"
#include "latency.h"
#define FIRST_CHILD(xl) (xl->children->xlator)
#define GF_SET_ATTR_MODE 0x1
#define GF_SET_ATTR_UID 0x2
#define GF_SET_ATTR_GID 0x4
#define GF_SET_ATTR_SIZE 0x8
#define GF_SET_ATTR_ATIME 0x10
#define GF_SET_ATTR_MTIME 0x20
#define gf_attr_mode_set(mode) ((mode) & GF_SET_ATTR_MODE)
#define gf_attr_uid_set(mode) ((mode) & GF_SET_ATTR_UID)
#define gf_attr_gid_set(mode) ((mode) & GF_SET_ATTR_GID)
#define gf_attr_size_set(mode) ((mode) & GF_SET_ATTR_SIZE)
#define gf_attr_atime_set(mode) ((mode) & GF_SET_ATTR_ATIME)
#define gf_attr_mtime_set(mode) ((mode) & GF_SET_ATTR_MTIME)
struct _xlator;
typedef struct _xlator xlator_t;
struct _dir_entry_t;
typedef struct _dir_entry_t dir_entry_t;
struct _gf_dirent_t;
typedef struct _gf_dirent_t gf_dirent_t;
struct _loc;
typedef struct _loc loc_t;
typedef int32_t (*event_notify_fn_t) (xlator_t *this, int32_t event, void *data,
...);
#include "list.h"
#include "gf-dirent.h"
#include "stack.h"
#include "iobuf.h"
#include "inode.h"
#include "fd.h"
#include "globals.h"
#include "iatt.h"
struct _loc {
const char *path;
const char *name;
inode_t *inode;
inode_t *parent;
/* Currently all location based operations are through 'gfid' of inode.
* But the 'inode->gfid' only gets set in higher most layer (as in,
* 'fuse', 'protocol/server', or 'nfs/server'). So if translators want
* to send fops on a inode before the 'inode->gfid' is set, they have to
* make use of below 'gfid' fields
*/
uuid_t gfid;
uuid_t pargfid;
/* ideally, should not be used */
ino_t ino;
};
typedef int32_t (*fop_getspec_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
char *spec_data);
typedef int32_t (*fop_rchecksum_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
uint32_t weak_checksum,
uint8_t *strong_checksum);
typedef int32_t (*fop_getspec_t) (call_frame_t *frame,
xlator_t *this,
const char *key,
int32_t flag);
typedef int32_t (*fop_rchecksum_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd, off_t offset,
int32_t len);
typedef int32_t (*fop_lookup_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
dict_t *xattr,
struct iatt *postparent);
typedef int32_t (*fop_stat_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *buf);
typedef int32_t (*fop_fstat_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *buf);
typedef int32_t (*fop_truncate_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf);
typedef int32_t (*fop_ftruncate_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf);
typedef int32_t (*fop_access_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_readlink_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
const char *path,
struct iatt *buf);
typedef int32_t (*fop_mknod_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent);
typedef int32_t (*fop_mkdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent);
typedef int32_t (*fop_unlink_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preparent,
struct iatt *postparent);
typedef int32_t (*fop_rmdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preparent,
struct iatt *postparent);
typedef int32_t (*fop_symlink_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent);
typedef int32_t (*fop_rename_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *buf,
struct iatt *preoldparent,
struct iatt *postoldparent,
struct iatt *prenewparent,
struct iatt *postnewparent);
typedef int32_t (*fop_link_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent);
typedef int32_t (*fop_create_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
fd_t *fd,
inode_t *inode,
struct iatt *buf,
struct iatt *preparent,
struct iatt *postparent);
typedef int32_t (*fop_open_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
fd_t *fd);
typedef int32_t (*fop_readv_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iovec *vector,
int32_t count,
struct iatt *stbuf,
struct iobref *iobref);
typedef int32_t (*fop_writev_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf);
typedef int32_t (*fop_flush_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_fsync_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *prebuf,
struct iatt *postbuf);
typedef int32_t (*fop_opendir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
fd_t *fd);
typedef int32_t (*fop_fsyncdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_statfs_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct statvfs *buf);
typedef int32_t (*fop_setxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_getxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *dict);
typedef int32_t (*fop_fsetxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_fgetxattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *dict);
typedef int32_t (*fop_removexattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_lk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct gf_flock *flock);
typedef int32_t (*fop_inodelk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_finodelk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_entrylk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_fentrylk_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno);
typedef int32_t (*fop_readdir_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
gf_dirent_t *entries);
typedef int32_t (*fop_readdirp_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
gf_dirent_t *entries);
typedef int32_t (*fop_xattrop_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *xattr);
typedef int32_t (*fop_fxattrop_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
dict_t *xattr);
typedef int32_t (*fop_setattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf);
typedef int32_t (*fop_fsetattr_cbk_t) (call_frame_t *frame,
void *cookie,
xlator_t *this,
int32_t op_ret,
int32_t op_errno,
struct iatt *preop_stbuf,
struct iatt *postop_stbuf);
typedef int32_t (*fop_lookup_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
dict_t *xattr_req);
typedef int32_t (*fop_stat_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc);
typedef int32_t (*fop_fstat_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd);
typedef int32_t (*fop_truncate_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
off_t offset);
typedef int32_t (*fop_ftruncate_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
off_t offset);
typedef int32_t (*fop_access_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
int32_t mask);
typedef int32_t (*fop_readlink_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
size_t size);
typedef int32_t (*fop_mknod_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, mode_t mode, dev_t rdev,
dict_t *params);
typedef int32_t (*fop_mkdir_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, mode_t mode, dict_t *params);
typedef int32_t (*fop_unlink_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc);
typedef int32_t (*fop_rmdir_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int flags);
typedef int32_t (*fop_symlink_t) (call_frame_t *frame, xlator_t *this,
const char *linkname, loc_t *loc,
dict_t *params);
typedef int32_t (*fop_rename_t) (call_frame_t *frame,
xlator_t *this,
loc_t *oldloc,
loc_t *newloc);
typedef int32_t (*fop_link_t) (call_frame_t *frame,
xlator_t *this,
loc_t *oldloc,
loc_t *newloc);
typedef int32_t (*fop_create_t) (call_frame_t *frame, xlator_t *this,
loc_t *loc, int32_t flags, mode_t mode,
fd_t *fd, dict_t *params);
/* Tell subsequent writes on the fd_t to fsync after every writev fop without
* requiring a fsync fop.
*/
#define GF_OPEN_FSYNC 0x01
/* Tell write-behind to disable writing behind despite O_SYNC not being set.
*/
#define GF_OPEN_NOWB 0x02
typedef int32_t (*fop_open_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
int32_t flags,
fd_t *fd,
int32_t wbflags);
typedef int32_t (*fop_readv_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
off_t offset);
typedef int32_t (*fop_writev_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
struct iovec *vector,
int32_t count,
off_t offset,
struct iobref *iobref);
typedef int32_t (*fop_flush_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd);
typedef int32_t (*fop_fsync_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t datasync);
typedef int32_t (*fop_opendir_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
fd_t *fd);
typedef int32_t (*fop_fsyncdir_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t datasync);
typedef int32_t (*fop_statfs_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc);
typedef int32_t (*fop_setxattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
dict_t *dict,
int32_t flags);
typedef int32_t (*fop_getxattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
const char *name);
typedef int32_t (*fop_fsetxattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
dict_t *dict,
int32_t flags);
typedef int32_t (*fop_fgetxattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
const char *name);
typedef int32_t (*fop_removexattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
const char *name);
typedef int32_t (*fop_lk_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
int32_t cmd,
struct gf_flock *flock);
typedef int32_t (*fop_inodelk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume,
loc_t *loc,
int32_t cmd,
struct gf_flock *flock);
typedef int32_t (*fop_finodelk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume,
fd_t *fd,
int32_t cmd,
struct gf_flock *flock);
typedef int32_t (*fop_entrylk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume, loc_t *loc,
const char *basename, entrylk_cmd cmd,
entrylk_type type);
typedef int32_t (*fop_fentrylk_t) (call_frame_t *frame,
xlator_t *this,
const char *volume, fd_t *fd,
const char *basename, entrylk_cmd cmd,
entrylk_type type);
typedef int32_t (*fop_readdir_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
off_t offset);
typedef int32_t (*fop_readdirp_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
size_t size,
off_t offset);
typedef int32_t (*fop_xattrop_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
gf_xattrop_flags_t optype,
dict_t *xattr);
typedef int32_t (*fop_fxattrop_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
gf_xattrop_flags_t optype,
dict_t *xattr);
typedef int32_t (*fop_setattr_t) (call_frame_t *frame,
xlator_t *this,
loc_t *loc,
struct iatt *stbuf,
int32_t valid);
typedef int32_t (*fop_fsetattr_t) (call_frame_t *frame,
xlator_t *this,
fd_t *fd,
struct iatt *stbuf,
int32_t valid);
struct xlator_fops {
fop_lookup_t lookup;
fop_stat_t stat;
fop_fstat_t fstat;
fop_truncate_t truncate;
fop_ftruncate_t ftruncate;
fop_access_t access;
fop_readlink_t readlink;
fop_mknod_t mknod;
fop_mkdir_t mkdir;
fop_unlink_t unlink;
fop_rmdir_t rmdir;
fop_symlink_t symlink;
fop_rename_t rename;
fop_link_t link;
fop_create_t create;
fop_open_t open;
fop_readv_t readv;
fop_writev_t writev;
fop_flush_t flush;
fop_fsync_t fsync;
fop_opendir_t opendir;
fop_readdir_t readdir;
fop_readdirp_t readdirp;
fop_fsyncdir_t fsyncdir;
fop_statfs_t statfs;
fop_setxattr_t setxattr;
fop_getxattr_t getxattr;
fop_fsetxattr_t fsetxattr;
fop_fgetxattr_t fgetxattr;
fop_removexattr_t removexattr;
fop_lk_t lk;
fop_inodelk_t inodelk;
fop_finodelk_t finodelk;
fop_entrylk_t entrylk;
fop_fentrylk_t fentrylk;
fop_rchecksum_t rchecksum;
fop_xattrop_t xattrop;
fop_fxattrop_t fxattrop;
fop_setattr_t setattr;
fop_fsetattr_t fsetattr;
fop_getspec_t getspec;
/* these entries are used for a typechecking hack in STACK_WIND _only_ */
fop_lookup_cbk_t lookup_cbk;
fop_stat_cbk_t stat_cbk;
fop_fstat_cbk_t fstat_cbk;
fop_truncate_cbk_t truncate_cbk;
fop_ftruncate_cbk_t ftruncate_cbk;
fop_access_cbk_t access_cbk;
fop_readlink_cbk_t readlink_cbk;
fop_mknod_cbk_t mknod_cbk;
fop_mkdir_cbk_t mkdir_cbk;
fop_unlink_cbk_t unlink_cbk;
fop_rmdir_cbk_t rmdir_cbk;
fop_symlink_cbk_t symlink_cbk;
fop_rename_cbk_t rename_cbk;
fop_link_cbk_t link_cbk;
fop_create_cbk_t create_cbk;
fop_open_cbk_t open_cbk;
fop_readv_cbk_t readv_cbk;
fop_writev_cbk_t writev_cbk;
fop_flush_cbk_t flush_cbk;
fop_fsync_cbk_t fsync_cbk;
fop_opendir_cbk_t opendir_cbk;
fop_readdir_cbk_t readdir_cbk;
fop_readdirp_cbk_t readdirp_cbk;
fop_fsyncdir_cbk_t fsyncdir_cbk;
fop_statfs_cbk_t statfs_cbk;
fop_setxattr_cbk_t setxattr_cbk;
fop_getxattr_cbk_t getxattr_cbk;
fop_fsetxattr_cbk_t fsetxattr_cbk;
fop_fgetxattr_cbk_t fgetxattr_cbk;
fop_removexattr_cbk_t removexattr_cbk;
fop_lk_cbk_t lk_cbk;
fop_inodelk_cbk_t inodelk_cbk;
fop_finodelk_cbk_t finodelk_cbk;
fop_entrylk_cbk_t entrylk_cbk;
fop_fentrylk_cbk_t fentrylk_cbk;
fop_rchecksum_cbk_t rchecksum_cbk;
fop_xattrop_cbk_t xattrop_cbk;
fop_fxattrop_cbk_t fxattrop_cbk;
fop_setattr_cbk_t setattr_cbk;
fop_fsetattr_cbk_t fsetattr_cbk;
fop_getspec_cbk_t getspec_cbk;
};
typedef int32_t (*cbk_forget_t) (xlator_t *this,
inode_t *inode);
typedef int32_t (*cbk_release_t) (xlator_t *this,
fd_t *fd);
struct xlator_cbks {
cbk_forget_t forget;
cbk_release_t release;
cbk_release_t releasedir;
};
typedef int32_t (*dumpop_priv_t) (xlator_t *this);
typedef int32_t (*dumpop_inode_t) (xlator_t *this);
typedef int32_t (*dumpop_fd_t) (xlator_t *this);
typedef int32_t (*dumpop_inodectx_t) (xlator_t *this, inode_t *ino);
typedef int32_t (*dumpop_fdctx_t) (xlator_t *this, fd_t *fd);
struct xlator_dumpops {
dumpop_priv_t priv;
dumpop_inode_t inode;
dumpop_fd_t fd;
dumpop_inodectx_t inodectx;
dumpop_fdctx_t fdctx;
};
typedef struct xlator_list {
xlator_t *xlator;
struct xlator_list *next;
} xlator_list_t;
/* Add possible new type of option you may need */
typedef enum {
GF_OPTION_TYPE_ANY = 0,
GF_OPTION_TYPE_STR,
GF_OPTION_TYPE_INT,
GF_OPTION_TYPE_SIZET,
GF_OPTION_TYPE_PERCENT,
GF_OPTION_TYPE_PERCENT_OR_SIZET,
GF_OPTION_TYPE_BOOL,
GF_OPTION_TYPE_XLATOR,
GF_OPTION_TYPE_PATH,
GF_OPTION_TYPE_TIME,
GF_OPTION_TYPE_DOUBLE,
GF_OPTION_TYPE_INTERNET_ADDRESS,
} volume_option_type_t;
#define ZR_VOLUME_MAX_NUM_KEY 4
#define ZR_OPTION_MAX_ARRAY_SIZE 64
/* Each translator should define this structure */
typedef struct volume_options {
char *key[ZR_VOLUME_MAX_NUM_KEY];
/* different key, same meaning */
volume_option_type_t type;
int64_t min; /* 0 means no range */
int64_t max; /* 0 means no range */
char *value[ZR_OPTION_MAX_ARRAY_SIZE];
/* If specified, will check for one of
the value from this array */
char *default_value;
char *description; /* about the key */
} volume_option_t;
typedef struct vol_opt_list {
struct list_head list;
volume_option_t *given_opt;
} volume_opt_list_t;
struct _xlator {
/* Built during parsing */
char *name;
char *type;
xlator_t *next;
xlator_t *prev;
xlator_list_t *parents;
xlator_list_t *children;
dict_t *options;
/* Set after doing dlopen() */
void *dlhandle;
struct xlator_fops *fops;
struct xlator_cbks *cbks;
struct xlator_dumpops *dumpops;
struct list_head volume_options; /* list of volume_option_t */
void (*fini) (xlator_t *this);
int32_t (*init) (xlator_t *this);
int32_t (*reconfigure) (xlator_t *this, dict_t *options);
int32_t (*mem_acct_init) (xlator_t *this);
int32_t (*validate_options) (xlator_t *this, char **op_errstr);
event_notify_fn_t notify;
gf_loglevel_t loglevel; /* Log level for translator */
/* for latency measurement */
fop_latency_t latencies[GF_FOP_MAXVALUE];
/* Misc */
glusterfs_ctx_t *ctx;
glusterfs_graph_t *graph; /* not set for fuse */
inode_table_t *itable;
char init_succeeded;
void *private;
struct mem_acct mem_acct;
};
#define xlator_has_parent(xl) (xl->parents != NULL)
int validate_xlator_volume_options (xlator_t *xl, volume_option_t *opt);
int32_t xlator_set_type_virtual (xlator_t *xl, const char *type);
int32_t xlator_set_type (xlator_t *xl, const char *type);
int32_t xlator_dynload (xlator_t *xl);
xlator_t *file_to_xlator_tree (glusterfs_ctx_t *ctx,
FILE *fp);
int xlator_notify (xlator_t *this, int32_t event, void *data, ...);
int xlator_init (xlator_t *this);
int xlator_destroy (xlator_t *xl);
int32_t xlator_tree_init (xlator_t *xl);
int32_t xlator_tree_free (xlator_t *xl);
void xlator_tree_fini (xlator_t *xl);
void xlator_foreach (xlator_t *this,
void (*fn) (xlator_t *each,
void *data),
void *data);
xlator_t *xlator_search_by_name (xlator_t *any, const char *name);
void inode_destroy_notify (inode_t *inode, const char *xlname);
int loc_copy (loc_t *dst, loc_t *src);
#define loc_dup(src, dst) loc_copy(dst, src)
void loc_wipe (loc_t *loc);
int xlator_mem_acct_init (xlator_t *xl, int num_types);
int xlator_tree_reconfigure (xlator_t *old_xl, xlator_t *new_xl);
int is_gf_log_command (xlator_t *trans, const char *name, char *value);
int xlator_validate_rec (xlator_t *xlator, char **op_errstr);
int graph_reconf_validateopt (glusterfs_graph_t *graph, char **op_errstr);
int glusterd_check_log_level (const char *value);
int validate_xlator_volume_options_attacherr (xlator_t *xl,
volume_option_t *opt,
char **op_errstr);
int _volume_option_value_validate_attacherr (xlator_t *xl,
data_pair_t *pair,
volume_option_t *opt,
char **op_errstr);
int32_t xlator_volopt_dynload (char *xlator_type, void **dl_handle,
volume_opt_list_t *vol_opt_handle);
int xlator_get_volopt_info (struct list_head *opt_list, char *key,
char **def_val, char **descr);
#endif /* _XLATOR_H */
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