diff options
Diffstat (limited to 'xlators/features/index/src')
| -rw-r--r-- | xlators/features/index/src/index.c | 188 | ||||
| -rw-r--r-- | xlators/features/index/src/index.h | 1 |
2 files changed, 147 insertions, 42 deletions
diff --git a/xlators/features/index/src/index.c b/xlators/features/index/src/index.c index f7408c1308f..827a96d75b9 100644 --- a/xlators/features/index/src/index.c +++ b/xlators/features/index/src/index.c @@ -520,41 +520,50 @@ out: return; } +static gf_boolean_t +is_xattr_in_watchlist (dict_t *this, char *key, data_t *value, void *matchdata) +{ + if (dict_get (matchdata, key)) + return _gf_true; + + return _gf_false; +} + void -_xattrop_index_action (xlator_t *this, inode_t *inode, dict_t *xattr) +xattrop_index_action (xlator_t *this, inode_t *inode, dict_t *xattr, + dict_match_t match, void *match_data) { gf_boolean_t zero_xattr = _gf_true; int ret = 0; - ret = dict_foreach (xattr, _check_key_is_zero_filled, NULL); + ret = dict_foreach_match (xattr, match, match_data, + _check_key_is_zero_filled, NULL); if (ret == -1) zero_xattr = _gf_false; _index_action (this, inode, zero_xattr); return; } -void -fop_xattrop_index_action (xlator_t *this, inode_t *inode, dict_t *xattr) +static inline gf_boolean_t +index_xattrop_track (xlator_t *this, gf_xattrop_flags_t flags, dict_t *dict) { - _xattrop_index_action (this, inode, xattr); -} + index_priv_t *priv = this->private; -void -fop_fxattrop_index_action (xlator_t *this, inode_t *inode, dict_t *xattr) -{ - _xattrop_index_action (this, inode, xattr); -} + if (flags == GF_XATTROP_ADD_ARRAY) + return _gf_true; -static inline gf_boolean_t -index_xattrop_track (loc_t *loc, gf_xattrop_flags_t flags, dict_t *dict) -{ - return (flags == GF_XATTROP_ADD_ARRAY); -} + if (flags != GF_XATTROP_ADD_ARRAY64) + return _gf_false; -static inline gf_boolean_t -index_fxattrop_track (fd_t *fd, gf_xattrop_flags_t flags, dict_t *dict) -{ - return (flags == GF_XATTROP_ADD_ARRAY); + if (!priv->xattrop64_watchlist) + return _gf_false; + + if (dict_foreach_match (dict, is_xattr_in_watchlist, + priv->xattrop64_watchlist, dict_null_foreach_fn, + NULL) > 0) + return _gf_true; + + return _gf_false; } int @@ -671,16 +680,18 @@ unlock: return; } -int32_t -index_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *xattr, dict_t *xdata) +static int +xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, dict_t *xattr, + dict_t *xdata, dict_match_t match, dict_t *matchdata) { inode_t *inode = NULL; inode = inode_ref (frame->local); if (op_ret < 0) goto out; - fop_xattrop_index_action (this, frame->local, xattr); + + xattrop_index_action (this, frame->local, xattr, match, matchdata); out: INDEX_STACK_UNWIND (xattrop, frame, op_ret, op_errno, xattr, xdata); index_queue_process (this, inode, NULL); @@ -690,35 +701,41 @@ out: } int32_t -index_fxattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *xattr, - dict_t *xdata) +index_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, dict_t *xattr, + dict_t *xdata) { - inode_t *inode = NULL; - - inode = inode_ref (frame->local); - if (op_ret < 0) - goto out; + return xattrop_cbk (frame, cookie, this, op_ret, op_errno, xattr, xdata, + dict_match_everything, NULL); +} - fop_fxattrop_index_action (this, frame->local, xattr); -out: - INDEX_STACK_UNWIND (fxattrop, frame, op_ret, op_errno, xattr, xdata); - index_queue_process (this, inode, NULL); - inode_unref (inode); +int32_t +index_xattrop64_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, dict_t *xattr, + dict_t *xdata) +{ + index_priv_t *priv = this->private; - return 0; + return xattrop_cbk (frame, cookie, this, op_ret, op_errno, xattr, xdata, + is_xattr_in_watchlist, priv->xattrop64_watchlist); } int index_xattrop_wrapper (call_frame_t *frame, xlator_t *this, loc_t *loc, gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata) { + fop_xattrop_cbk_t cbk = NULL; //In wind phase bring the gfid into index. This way if the brick crashes //just after posix performs xattrop before _cbk reaches index xlator //we will still have the gfid in index. _index_action (this, frame->local, _gf_false); - STACK_WIND (frame, index_xattrop_cbk, FIRST_CHILD (this), + if (optype == GF_XATTROP_ADD_ARRAY) + cbk = index_xattrop_cbk; + else + cbk = index_xattrop64_cbk; + + STACK_WIND (frame, cbk, FIRST_CHILD (this), FIRST_CHILD (this)->fops->xattrop, loc, optype, xattr, xdata); return 0; @@ -728,11 +745,18 @@ int index_fxattrop_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata) { + fop_fxattrop_cbk_t cbk = NULL; //In wind phase bring the gfid into index. This way if the brick crashes //just after posix performs xattrop before _cbk reaches index xlator //we will still have the gfid in index. _index_action (this, frame->local, _gf_false); - STACK_WIND (frame, index_fxattrop_cbk, FIRST_CHILD (this), + + if (optype == GF_XATTROP_ADD_ARRAY) + cbk = index_xattrop_cbk; + else + cbk = index_xattrop64_cbk; + + STACK_WIND (frame, cbk, FIRST_CHILD (this), FIRST_CHILD (this)->fops->fxattrop, fd, optype, xattr, xdata); return 0; @@ -744,7 +768,7 @@ index_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc, { call_stub_t *stub = NULL; - if (!index_xattrop_track (loc, flags, dict)) + if (!index_xattrop_track (this, flags, dict)) goto out; frame->local = inode_ref (loc->inode); @@ -769,7 +793,7 @@ index_fxattrop (call_frame_t *frame, xlator_t *this, fd_t *fd, { call_stub_t *stub = NULL; - if (!index_fxattrop_track (fd, flags, dict)) + if (!index_xattrop_track (this, flags, dict)) goto out; frame->local = inode_ref (fd->inode); @@ -1148,6 +1172,70 @@ out: return 0; } +int +index_make_xattrop64_watchlist (xlator_t *this, index_priv_t *priv, + char *watchlist) +{ + char *delim = NULL; + char *dup_watchlist = NULL; + char *key = NULL; + char *saveptr = NULL; + dict_t *xattrs = NULL; + data_t *dummy = NULL; + int ret = 0; + + if (!watchlist) + return 0; + + dup_watchlist = gf_strdup (watchlist); + if (!dup_watchlist) + return -1; + + xattrs = dict_new (); + if (!xattrs) { + ret = -1; + goto out; + } + + dummy = int_to_data (1); + if (!dummy) { + ret = -1; + goto out; + } + + data_ref (dummy); + + delim = ","; + key = strtok_r (dup_watchlist, delim, &saveptr); + while (key) { + if (strlen (key) == 0) { + ret = -1; + goto out; + } + + ret = dict_set (xattrs, key, dummy); + if (ret) + goto out; + + key = strtok_r (NULL, delim, &saveptr); + } + + priv->xattrop64_watchlist = xattrs; + xattrs = NULL; + + ret = 0; +out: + if (xattrs) + dict_unref (xattrs); + + GF_FREE (dup_watchlist); + + if (dummy) + data_unref (dummy); + + return ret; +} + int32_t mem_acct_init (xlator_t *this) { @@ -1168,6 +1256,7 @@ init (xlator_t *this) gf_boolean_t mutex_inited = _gf_false; gf_boolean_t cond_inited = _gf_false; gf_boolean_t attr_inited = _gf_false; + char *watchlist = NULL; if (!this->children || this->children->next) { gf_log (this->name, GF_LOG_ERROR, @@ -1211,7 +1300,14 @@ init (xlator_t *this) gf_log (this->name, GF_LOG_WARNING, "Using default thread stack size"); } + GF_OPTION_INIT ("index-base", priv->index_basepath, path, out); + + GF_OPTION_INIT ("xattrop64-watchlist", watchlist, str, out); + ret = index_make_xattrop64_watchlist (this, priv, watchlist); + if (ret) + goto out; + uuid_generate (priv->index); uuid_generate (priv->xattrop_vgfid); INIT_LIST_HEAD (&priv->callstubs); @@ -1236,6 +1332,8 @@ out: pthread_cond_destroy (&priv->cond); if (mutex_inited) pthread_mutex_destroy (&priv->mutex); + if (priv && priv->xattrop64_watchlist) + dict_unref (priv->xattrop64_watchlist); if (priv) GF_FREE (priv); this->private = NULL; @@ -1257,6 +1355,8 @@ fini (xlator_t *this) LOCK_DESTROY (&priv->lock); pthread_cond_destroy (&priv->cond); pthread_mutex_destroy (&priv->mutex); + if (priv->xattrop64_watchlist) + dict_unref (priv->xattrop64_watchlist); GF_FREE (priv); out: return; @@ -1345,5 +1445,9 @@ struct volume_options options[] = { .type = GF_OPTION_TYPE_PATH, .description = "path where the index files need to be stored", }, + { .key = {"xattrop64-watchlist" }, + .type = GF_OPTION_TYPE_STR, + .description = "Comma separated list of xattrs that are watched", + }, { .key = {NULL} }, }; diff --git a/xlators/features/index/src/index.h b/xlators/features/index/src/index.h index 206d280e519..a8dfe067ae1 100644 --- a/xlators/features/index/src/index.h +++ b/xlators/features/index/src/index.h @@ -45,6 +45,7 @@ typedef struct index_priv { struct list_head callstubs; pthread_mutex_t mutex; pthread_cond_t cond; + dict_t *xattrop64_watchlist; } index_priv_t; #define INDEX_STACK_UNWIND(fop, frame, params ...) \ |