diff options
Diffstat (limited to 'xlators/cluster/dht/src/dht-common.h')
| -rw-r--r-- | xlators/cluster/dht/src/dht-common.h | 361 |
1 files changed, 271 insertions, 90 deletions
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h index a6dc0b00b..5ccd66799 100644 --- a/xlators/cluster/dht/src/dht-common.h +++ b/xlators/cluster/dht/src/dht-common.h @@ -1,20 +1,11 @@ /* - Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com> + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.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 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 - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. + 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 @@ -22,6 +13,8 @@ #include "config.h" #endif +#include <regex.h> + #include "dht-mem-types.h" #include "libxlator.h" #include "syncop.h" @@ -29,7 +22,7 @@ #ifndef _DHT_H #define _DHT_H -#define GF_XATTR_FIX_LAYOUT_KEY "trusted.distribute.fix.layout" +#define GF_XATTR_FIX_LAYOUT_KEY "distribute.fix.layout" #define GF_DHT_LOOKUP_UNHASHED_ON 1 #define GF_DHT_LOOKUP_UNHASHED_AUTO 2 #define DHT_PATHINFO_HEADER "DISTRIBUTE:" @@ -38,7 +31,8 @@ typedef int (*dht_selfheal_dir_cbk_t) (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno); + int32_t op_ret, int32_t op_errno, + dict_t *xdata); typedef int (*dht_defrag_cbk_fn_t) (xlator_t *this, call_frame_t *frame, int ret); @@ -61,20 +55,38 @@ struct dht_layout { uint32_t start; uint32_t stop; xlator_t *xlator; - } list[0]; + } list[]; }; typedef struct dht_layout dht_layout_t; +struct dht_stat_time { + uint32_t atime; + uint32_t atime_nsec; + uint32_t ctime; + uint32_t ctime_nsec; + uint32_t mtime; + uint32_t mtime_nsec; +}; + +typedef struct dht_stat_time dht_stat_time_t; + +struct dht_inode_ctx { + dht_layout_t *layout; + dht_stat_time_t time; +}; + +typedef struct dht_inode_ctx dht_inode_ctx_t; + typedef enum { DHT_HASH_TYPE_DM, + DHT_HASH_TYPE_DM_USER, } dht_hashfn_type_t; /* rebalance related */ struct dht_rebalance_ { xlator_t *from_subvol; xlator_t *target_node; - int32_t wbflags; off_t offset; size_t size; int32_t flags; @@ -83,6 +95,7 @@ struct dht_rebalance_ { struct iovec *vector; struct iatt stbuf; dht_defrag_cbk_fn_t target_op_fn; + dict_t *xdata; }; struct dht_local { @@ -117,6 +130,7 @@ struct dht_local { int file_count; int dir_count; call_frame_t *main_frame; + int fop_succeeded; struct { fop_mknod_cbk_t linkfile_cbk; struct iatt stbuf; @@ -128,7 +142,6 @@ struct dht_local { struct { uint32_t hole_cnt; uint32_t overlaps_cnt; - uint32_t missing; uint32_t down; uint32_t misc; dht_selfheal_dir_cbk_t dir_cbk; @@ -141,11 +154,16 @@ struct dht_local { int32_t flags; mode_t mode; dev_t rdev; + mode_t umask; /* need for file-info */ - char *pathinfo; + char *xattr_val; char *key; + /* which xattr request? */ + char xsel[256]; + int32_t alloc_len; + char *newpath; /* gfid related */ @@ -161,18 +179,77 @@ struct dht_local { glusterfs_fop_t fop; + gf_boolean_t linked; + xlator_t *link_subvol; + struct dht_rebalance_ rebalance; + xlator_t *first_up_subvol; + }; typedef struct dht_local dht_local_t; /* du - disk-usage */ struct dht_du { double avail_percent; + double avail_inodes; uint64_t avail_space; uint32_t log; }; typedef struct dht_du dht_du_t; +enum gf_defrag_type { + GF_DEFRAG_CMD_START = 1, + GF_DEFRAG_CMD_STOP = 1 + 1, + GF_DEFRAG_CMD_STATUS = 1 + 2, + GF_DEFRAG_CMD_START_LAYOUT_FIX = 1 + 3, + GF_DEFRAG_CMD_START_FORCE = 1 + 4, +}; +typedef enum gf_defrag_type gf_defrag_type; + +enum gf_defrag_status_t { + GF_DEFRAG_STATUS_NOT_STARTED, + GF_DEFRAG_STATUS_STARTED, + GF_DEFRAG_STATUS_STOPPED, + GF_DEFRAG_STATUS_COMPLETE, + GF_DEFRAG_STATUS_FAILED, + GF_DEFRAG_STATUS_LAYOUT_FIX_STARTED, + GF_DEFRAG_STATUS_LAYOUT_FIX_STOPPED, + GF_DEFRAG_STATUS_LAYOUT_FIX_COMPLETE, + GF_DEFRAG_STATUS_LAYOUT_FIX_FAILED, +}; +typedef enum gf_defrag_status_t gf_defrag_status_t; + +typedef struct gf_defrag_pattern_list gf_defrag_pattern_list_t; + +struct gf_defrag_pattern_list { + char path_pattern[256]; + uint64_t size; + gf_defrag_pattern_list_t *next; +}; + +struct gf_defrag_info_ { + uint64_t total_files; + uint64_t total_data; + uint64_t num_files_lookedup; + uint64_t total_failures; + uint64_t skipped; + gf_lock_t lock; + int cmd; + pthread_t th; + gf_defrag_status_t defrag_status; + struct rpc_clnt *rpc; + uint32_t connected; + uint32_t is_exiting; + pid_t pid; + inode_t *root_inode; + uuid_t node_uuid; + struct timeval start_time; + gf_boolean_t stats; + gf_defrag_pattern_list_t *defrag_pattern; +}; + +typedef struct gf_defrag_info_ gf_defrag_info_t; + struct dht_conf { gf_lock_t subvolume_lock; int subvolume_cnt; @@ -184,7 +261,8 @@ struct dht_conf { gf_boolean_t search_unhashed; int gen; dht_du_t *du_stats; - uint64_t min_free_disk; + double min_free_disk; + double min_free_inodes; char disk_unit; int32_t refresh_interval; gf_boolean_t unhashed_sticky_bit; @@ -201,10 +279,28 @@ struct dht_conf { /* Will be a global flag to control the layout spread count */ uint32_t dir_spread_cnt; - struct syncenv *env; /* The env pointer to the rebalance synctask */ - /* to keep track of nodes which are decomissioned */ xlator_t **decommissioned_bricks; + int decommission_in_progress; + int decommission_subvols_cnt; + + /* defrag related */ + gf_defrag_info_t *defrag; + + /* Request to filter directory entries in readdir request */ + + gf_boolean_t readdir_optimize; + + /* Support regex-based name reinterpretation. */ + regex_t rsync_regex; + gf_boolean_t rsync_regex_valid; + regex_t extra_regex; + gf_boolean_t extra_regex_valid; + + /* Support variable xattr names. */ + char *xattr_name; + char *link_xattr_name; + char *wild_xattr_name; }; typedef struct dht_conf dht_conf_t; @@ -219,30 +315,28 @@ struct dht_disk_layout { }; typedef struct dht_disk_layout dht_disk_layout_t; -#define WIPE(statp) do { typeof(*statp) z = {0,}; if (statp) *statp = z; } while (0) +typedef enum { + GF_DHT_MIGRATE_DATA, + GF_DHT_MIGRATE_DATA_EVEN_IF_LINK_EXISTS, + GF_DHT_MIGRATE_HARDLINK, + GF_DHT_MIGRATE_HARDLINK_IN_PROGRESS +} gf_dht_migrate_data_type_t; #define ENTRY_MISSING(op_ret, op_errno) (op_ret == -1 && op_errno == ENOENT) -#define is_fs_root(loc) (strcmp (loc->path, "/") == 0) - -#define is_revalidate(loc) (inode_ctx_get (loc->inode, this, NULL) == 0) +#define is_revalidate(loc) (dht_inode_ctx_layout_get (loc->inode, this, NULL) == 0) #define is_last_call(cnt) (cnt == 0) #define DHT_MIGRATION_IN_PROGRESS 1 #define DHT_MIGRATION_COMPLETED 2 -#define DHT_LINKFILE_KEY "trusted.glusterfs.dht.linkto" #define DHT_LINKFILE_MODE (S_ISVTX) -#define check_is_linkfile(i,s,x) ( \ - ((st_mode_from_ia (s->ia_prot, s->ia_type) & ~S_IFMT) \ - == DHT_LINKFILE_MODE) && \ - dict_get (x, DHT_LINKFILE_KEY)) - -#define check_is_linkfile_wo_dict(i,s) ( \ - ((st_mode_from_ia (s->ia_prot, s->ia_type) & ~S_IFMT) \ - == DHT_LINKFILE_MODE)) +#define check_is_linkfile(i,s,x,n) ( \ + ((st_mode_from_ia ((s)->ia_prot, (s)->ia_type) & ~S_IFMT) \ + == DHT_LINKFILE_MODE) && \ + dict_get (x, n)) #define IS_DHT_MIGRATION_PHASE2(buf) ( \ IA_ISREG ((buf)->ia_type) && \ @@ -287,6 +381,25 @@ typedef struct dht_disk_layout dht_disk_layout_t; dht_local_wipe (__xl, __local); \ } while (0) +#define DHT_UPDATE_TIME(ctx_sec, ctx_nsec, new_sec, new_nsec, inode, post) do {\ + int32_t sec = 0; \ + sec = new_sec; \ + LOCK (&inode->lock); \ + { \ + new_sec = max(new_sec, ctx_sec); \ + if (sec < new_sec) \ + new_nsec = ctx_nsec; \ + if (sec == new_sec) \ + new_nsec = max (new_nsec, ctx_nsec); \ + if (post) { \ + ctx_sec = new_sec; \ + ctx_nsec = new_nsec; \ + } \ + } \ + UNLOCK (&inode->lock); \ + } while (0) + +#define is_greater_time(a, an, b, bn) (((a) < (b)) || (((a) == (b)) && ((an) < (bn)))) dht_layout_t *dht_layout_new (xlator_t *this, int cnt); dht_layout_t *dht_layout_get (xlator_t *this, inode_t *inode); dht_layout_t *dht_layout_for_subvol (xlator_t *this, xlator_t *subvol); @@ -296,7 +409,7 @@ int dht_layout_normalize (xlator_t *this, l int dht_layout_anomalies (xlator_t *this, loc_t *loc, dht_layout_t *layout, uint32_t *holes_p, uint32_t *overlaps_p, uint32_t *missing_p, uint32_t *down_p, - uint32_t *misc_p); + uint32_t *misc_p, uint32_t *no_space_p); int dht_layout_dir_mismatch (xlator_t *this, dht_layout_t *layout, xlator_t *subvol, loc_t *loc, dict_t *xattr); @@ -312,7 +425,7 @@ int dht_layout_merge (xlator_t *this, dht_layout_t *layout, xlator_t *subvol, int dht_disk_layout_extract (xlator_t *this, dht_layout_t *layout, int pos, int32_t **disk_layout_p); int dht_disk_layout_merge (xlator_t *this, dht_layout_t *layout, - int pos, void *disk_layout_raw); + int pos, void *disk_layout_raw, int disk_layout_len); int dht_frame_return (call_frame_t *frame); @@ -330,12 +443,14 @@ int dht_iatt_merge (xlator_t *this, struct iatt *to, struct iatt xlator_t *dht_subvol_get_hashed (xlator_t *this, loc_t *loc); xlator_t *dht_subvol_get_cached (xlator_t *this, inode_t *inode); xlator_t *dht_subvol_next (xlator_t *this, xlator_t *prev); +xlator_t *dht_subvol_next_available (xlator_t *this, xlator_t *prev); int dht_subvol_cnt (xlator_t *this, xlator_t *subvol); -int dht_hash_compute (int type, const char *name, uint32_t *hash_p); +int dht_hash_compute (xlator_t *this, int type, const char *name, uint32_t *hash_p); int dht_linkfile_create (call_frame_t *frame, fop_mknod_cbk_t linkfile_cbk, - xlator_t *tovol, xlator_t *fromvol, loc_t *loc); + xlator_t *this, xlator_t *tovol, + xlator_t *fromvol, loc_t *loc); int dht_lookup_directory (call_frame_t *frame, xlator_t *this, loc_t *loc); int dht_lookup_everywhere (call_frame_t *frame, xlator_t *this, loc_t *loc); int @@ -350,17 +465,15 @@ dht_selfheal_restore (call_frame_t *frame, dht_selfheal_dir_cbk_t cbk, int dht_layout_sort_volname (dht_layout_t *layout); -int dht_rename (call_frame_t *frame, xlator_t *this, - loc_t *oldloc, loc_t *newloc); - int dht_get_du_info (call_frame_t *frame, xlator_t *this, loc_t *loc); -int dht_is_subvol_filled (xlator_t *this, xlator_t *subvol); -xlator_t *dht_free_disk_available_subvol (xlator_t *this, xlator_t *subvol); +gf_boolean_t dht_is_subvol_filled (xlator_t *this, xlator_t *subvol); +xlator_t *dht_free_disk_available_subvol (xlator_t *this, xlator_t *subvol, + dht_local_t *layout); int dht_get_du_info_for_subvol (xlator_t *this, int subvol_idx); int dht_layout_preset (xlator_t *this, xlator_t *subvol, inode_t *inode); -int dht_layout_set (xlator_t *this, inode_t *inode, dht_layout_t *layout); +int dht_layout_set (xlator_t *this, inode_t *inode, dht_layout_t *layout);; void dht_layout_unref (xlator_t *this, dht_layout_t *layout); dht_layout_t *dht_layout_ref (xlator_t *this, dht_layout_t *layout); xlator_t *dht_first_up_subvol (xlator_t *this); @@ -375,7 +488,8 @@ int dht_rename_cleanup (call_frame_t *frame) int dht_rename_links_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *stbuf, - struct iatt *preparent, struct iatt *postparent); + struct iatt *preparent, struct iatt *postparent, + dict_t *xdata); int dht_fix_directory_layout (call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk, @@ -398,73 +512,73 @@ int32_t dht_lookup (call_frame_t *frame, int32_t dht_stat (call_frame_t *frame, xlator_t *this, - loc_t *loc); + loc_t *loc, dict_t *xdata); int32_t dht_fstat (call_frame_t *frame, xlator_t *this, - fd_t *fd); + fd_t *fd, dict_t *xdata); int32_t dht_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, - off_t offset); + off_t offset, dict_t *xdata); int32_t dht_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, - off_t offset); + off_t offset, dict_t *xdata); int32_t dht_access (call_frame_t *frame, xlator_t *this, loc_t *loc, - int32_t mask); + int32_t mask, dict_t *xdata); int32_t dht_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, - size_t size); + size_t size, dict_t *xdata); -int32_t dht_mknod (call_frame_t *frame, xlator_t *this, - loc_t *loc, mode_t mode, dev_t rdev, dict_t *params); +int32_t dht_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, + mode_t mode, dev_t rdev, mode_t umask, dict_t *xdata); int32_t dht_mkdir (call_frame_t *frame, xlator_t *this, - loc_t *loc, mode_t mode, dict_t *params); + loc_t *loc, mode_t mode, mode_t umask, dict_t *xdata); int32_t dht_unlink (call_frame_t *frame, xlator_t *this, - loc_t *loc); + loc_t *loc, int xflag, dict_t *xdata); int32_t dht_rmdir (call_frame_t *frame, xlator_t *this, - loc_t *loc, int flags); + loc_t *loc, int flags, dict_t *xdata); int32_t dht_symlink (call_frame_t *frame, xlator_t *this, - const char *linkpath, loc_t *loc, dict_t *params); + const char *linkpath, loc_t *loc, mode_t umask, + dict_t *xdata); int32_t dht_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, - loc_t *newloc); + loc_t *newloc, dict_t *xdata); int32_t dht_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, - loc_t *newloc); + loc_t *newloc, dict_t *xdata); int32_t dht_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, mode_t mode, - fd_t *fd, dict_t *params); + mode_t umask, fd_t *fd, dict_t *params); int32_t dht_open (call_frame_t *frame, xlator_t *this, loc_t *loc, - int32_t flags, fd_t *fd, - int32_t wbflags); + int32_t flags, fd_t *fd, dict_t *xdata); int32_t dht_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, - off_t offset); + off_t offset, uint32_t flags, dict_t *xdata); int32_t dht_writev (call_frame_t *frame, xlator_t *this, @@ -472,107 +586,121 @@ int32_t dht_writev (call_frame_t *frame, struct iovec *vector, int32_t count, off_t offset, - struct iobref *iobref); + uint32_t flags, + struct iobref *iobref, dict_t *xdata); int32_t dht_flush (call_frame_t *frame, xlator_t *this, - fd_t *fd); + fd_t *fd, dict_t *xdata); int32_t dht_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, - int32_t datasync); + int32_t datasync, dict_t *xdata); int32_t dht_opendir (call_frame_t *frame, xlator_t *this, - loc_t *loc, fd_t *fd); + loc_t *loc, fd_t *fd, dict_t *xdata); int32_t dht_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, - int32_t datasync); + int32_t datasync, dict_t *xdata); int32_t dht_statfs (call_frame_t *frame, xlator_t *this, - loc_t *loc); + loc_t *loc, dict_t *xdata); int32_t dht_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict, - int32_t flags); + int32_t flags, dict_t *xdata); int32_t dht_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, - const char *name); + const char *name, dict_t *xdata); int32_t dht_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict, - int32_t flags); + int32_t flags, dict_t *xdata); int32_t dht_fgetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, - const char *name); + const char *name, dict_t *xdata); int32_t dht_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc, - const char *name); + const char *name, dict_t *xdata); +int32_t dht_fremovexattr (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + const char *name, dict_t *xdata); int32_t dht_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd, - struct gf_flock *flock); + struct gf_flock *flock, dict_t *xdata); int32_t dht_inodelk (call_frame_t *frame, xlator_t *this, const char *volume, loc_t *loc, int32_t cmd, - struct gf_flock *flock); + struct gf_flock *flock, dict_t *xdata); int32_t dht_finodelk (call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd, int32_t cmd, - struct gf_flock *flock); + struct gf_flock *flock, dict_t *xdata); int32_t dht_entrylk (call_frame_t *frame, xlator_t *this, const char *volume, loc_t *loc, const char *basename, - entrylk_cmd cmd, entrylk_type type); + entrylk_cmd cmd, entrylk_type type, dict_t *xdata); int32_t dht_fentrylk (call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd, const char *basename, - entrylk_cmd cmd, entrylk_type type); + entrylk_cmd cmd, entrylk_type type, dict_t *xdata); int32_t dht_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, - size_t size, off_t off); + size_t size, off_t off, dict_t *xdata); int32_t dht_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, - size_t size, off_t off); + size_t size, off_t off, dict_t *dict); int32_t dht_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc, gf_xattrop_flags_t flags, - dict_t *dict); + dict_t *dict, dict_t *xdata); int32_t dht_fxattrop (call_frame_t *frame, xlator_t *this, fd_t *fd, gf_xattrop_flags_t flags, - dict_t *dict); + dict_t *dict, dict_t *xdata); int32_t dht_forget (xlator_t *this, inode_t *inode); int32_t dht_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc, - struct iatt *stbuf, int32_t valid); + struct iatt *stbuf, int32_t valid, dict_t *xdata); int32_t dht_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd, - struct iatt *stbuf, int32_t valid); - + struct iatt *stbuf, int32_t valid, dict_t *xdata); +int32_t dht_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, + int32_t mode, off_t offset, size_t len, dict_t *xdata); +int32_t dht_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, + off_t offset, size_t len, dict_t *xdata); +int32_t dht_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, + off_t offset, size_t len, dict_t *xdata); + +int32_t dht_init (xlator_t *this); +void dht_fini (xlator_t *this); +int dht_reconfigure (xlator_t *this, dict_t *options); int32_t dht_notify (xlator_t *this, int32_t event, void *data, ...); /* definitions for nufa/switch */ @@ -595,12 +723,65 @@ int dht_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int dht_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret, int op_errno, fd_t *fd, inode_t *inode, struct iatt *stbuf, - struct iatt *preparent, struct iatt *postparent); + struct iatt *preparent, struct iatt *postparent, + dict_t *xdata); int dht_newfile_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret, int op_errno, inode_t *inode, struct iatt *stbuf, struct iatt *preparent, - struct iatt *postparent); + struct iatt *postparent, dict_t *xdata); + +int +gf_defrag_status_get (gf_defrag_info_t *defrag, dict_t *dict); + +int +gf_defrag_stop (gf_defrag_info_t *defrag, dict_t *output); +void* +gf_defrag_start (void *this); +int32_t +gf_defrag_handle_hardlink (xlator_t *this, loc_t *loc, dict_t *xattrs, + struct iatt *stbuf); +int +dht_migrate_file (xlator_t *this, loc_t *loc, xlator_t *from, xlator_t *to, + int flag); +int +dht_inode_ctx_layout_get (inode_t *inode, xlator_t *this, + dht_layout_t **layout_int); +int +dht_inode_ctx_layout_set (inode_t *inode, xlator_t *this, + dht_layout_t* layout_int); +int +dht_inode_ctx_time_update (inode_t *inode, xlator_t *this, struct iatt *stat, + int32_t update_ctx); + +int dht_inode_ctx_get (inode_t *inode, xlator_t *this, dht_inode_ctx_t **ctx); +int dht_inode_ctx_set (inode_t *inode, xlator_t *this, dht_inode_ctx_t *ctx); +int +dht_dir_attr_heal (void *data); +int +dht_dir_attr_heal_done (int ret, call_frame_t *sync_frame, void *data); +int +dht_dir_has_layout (dict_t *xattr, char *name); +gf_boolean_t +dht_is_subvol_in_layout (dht_layout_t *layout, xlator_t *xlator); +xlator_t * +dht_subvol_with_free_space_inodes (xlator_t *this, xlator_t *subvol, + dht_layout_t *layout); +xlator_t * +dht_subvol_maxspace_nonzeroinode (xlator_t *this, xlator_t *subvol, + dht_layout_t *layout); +int +dht_linkfile_attr_heal (call_frame_t *frame, xlator_t *this); + +void +dht_layout_dump (dht_layout_t *layout, const char *prefix); +int32_t +dht_priv_dump (xlator_t *this); +int32_t +dht_inodectx_dump (xlator_t *this, inode_t *inode); + +int +dht_inode_ctx_get1 (xlator_t *this, inode_t *inode, xlator_t **subvol); #endif/* _DHT_H */ |