diff options
Diffstat (limited to 'xlators/cluster/afr/src')
| -rw-r--r-- | xlators/cluster/afr/src/afr-dir-read.c | 6 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr.c | 14 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr.h | 1 |
3 files changed, 21 insertions, 0 deletions
diff --git a/xlators/cluster/afr/src/afr-dir-read.c b/xlators/cluster/afr/src/afr-dir-read.c index d94cb0ca699..2d368a49544 100644 --- a/xlators/cluster/afr/src/afr-dir-read.c +++ b/xlators/cluster/afr/src/afr-dir-read.c @@ -422,11 +422,14 @@ afr_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, gf_dirent_t *entries, dict_t *xdata) { + afr_private_t *priv = NULL; afr_local_t *local = NULL; gf_dirent_t *entry = NULL; int par_read_child = (long) cookie; int32_t read_child = -1; + priv = this->private; + if (op_ret == -1) goto out; @@ -434,6 +437,9 @@ afr_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, afr_readdir_filter_trash_dir (entries, local->fd); + if (!priv->consistent_metadata) + goto out; + list_for_each_entry (entry, &entries->list, list) { if (entry->inode) { read_child = -1; diff --git a/xlators/cluster/afr/src/afr.c b/xlators/cluster/afr/src/afr.c index c020cbccac5..0739d0de93b 100644 --- a/xlators/cluster/afr/src/afr.c +++ b/xlators/cluster/afr/src/afr.c @@ -193,6 +193,8 @@ reconfigure (xlator_t *this, dict_t *options) bool, out); GF_OPTION_RECONF ("ensure-durability", priv->ensure_durability, options, bool, out); + GF_OPTION_RECONF ("consistent-metadata", priv->consistent_metadata, + options, bool, out); priv->did_discovery = _gf_false; ret = 0; @@ -339,6 +341,8 @@ init (xlator_t *this) GF_OPTION_INIT ("readdir-failover", priv->readdir_failover, bool, out); GF_OPTION_INIT ("ensure-durability", priv->ensure_durability, bool, out); + GF_OPTION_INIT ("consistent-metadata", priv->consistent_metadata, bool, + out); priv->wait_count = 1; @@ -789,5 +793,15 @@ struct volume_options options[] = { "written to the disk", .default_value = "on", }, + { .key = {"consistent-metadata"}, + .type = GF_OPTION_TYPE_BOOL, + .default_value = "no", + .description = "If this option is enabled, readdirp will force " + "lookups on those entries read whose read child is " + "not the same as that of the parent. This will " + "guarantee that all read operations on a file serve " + "attributes from the same subvol as long as it holds " + " a good copy of the file/dir.", + }, { .key = {NULL} }, }; diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h index e704dc2e929..990279d160b 100644 --- a/xlators/cluster/afr/src/afr.h +++ b/xlators/cluster/afr/src/afr.h @@ -180,6 +180,7 @@ typedef struct _afr_private { uint64_t sh_readdir_size; gf_boolean_t ensure_durability; char *sh_domain; + gf_boolean_t consistent_metadata; } afr_private_t; typedef enum { |