diff options
| author | Pranith Kumar K <pkarampu@redhat.com> | 2013-06-28 16:03:52 +0530 |
|---|---|---|
| committer | Vijay Bellur <vbellur@redhat.com> | 2013-07-03 07:33:13 -0700 |
| commit | b64a7f8497d9752f4da5a42aeeeebbd7727c442b (patch) | |
| tree | 0fdd9ab26be7f280b7e05414d8e95cf16c241d10 /xlators/cluster/afr/src | |
| parent | 29619b4ee78926160435da82f9db213161e040d4 (diff) | |
cluster/afr: Provide an option to disable afr durability
Change-Id: I40eec20ca6b3f857245a2438883822e251077ee9
BUG: 979365
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/5269
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'xlators/cluster/afr/src')
| -rw-r--r-- | xlators/cluster/afr/src/afr-transaction.c | 14 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr.c | 11 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr.h | 1 |
3 files changed, 23 insertions, 3 deletions
diff --git a/xlators/cluster/afr/src/afr-transaction.c b/xlators/cluster/afr/src/afr-transaction.c index dbc74ceb..d307d5b3 100644 --- a/xlators/cluster/afr/src/afr-transaction.c +++ b/xlators/cluster/afr/src/afr-transaction.c @@ -1495,8 +1495,10 @@ int afr_changelog_post_op_safe (call_frame_t *frame, xlator_t *this) { afr_local_t *local = NULL; + afr_private_t *priv = NULL; local = frame->local; + priv = this->private; if (!local->fd || local->transaction.type != AFR_DATA_TRANSACTION) { afr_changelog_post_op_now (frame, this); @@ -1548,9 +1550,15 @@ afr_changelog_post_op_safe (call_frame_t *frame, xlator_t *this) return 0; } - /* Time to fsync() */ - - afr_changelog_fsync (frame, this); + /* Check whether users want durability and perform fsync/post-op + * accordingly. + */ + if (priv->ensure_durability) { + /* Time to fsync() */ + afr_changelog_fsync (frame, this); + } else { + afr_changelog_post_op_now (frame, this); + } return 0; } diff --git a/xlators/cluster/afr/src/afr.c b/xlators/cluster/afr/src/afr.c index 6fabc001..9a13fbda 100644 --- a/xlators/cluster/afr/src/afr.c +++ b/xlators/cluster/afr/src/afr.c @@ -191,6 +191,8 @@ reconfigure (xlator_t *this, dict_t *options) /* Reset this so we re-discover in case the topology changed. */ GF_OPTION_RECONF ("readdir-failover", priv->readdir_failover, options, bool, out); + GF_OPTION_RECONF ("ensure-durability", priv->ensure_durability, options, + bool, out); priv->did_discovery = _gf_false; ret = 0; @@ -335,6 +337,8 @@ init (xlator_t *this) GF_OPTION_INIT ("post-op-delay-secs", priv->post_op_delay_secs, uint32, out); GF_OPTION_INIT ("readdir-failover", priv->readdir_failover, bool, out); + GF_OPTION_INIT ("ensure-durability", priv->ensure_durability, bool, + out); priv->wait_count = 1; @@ -767,5 +771,12 @@ struct volume_options options[] = { .description = "readdir(p) will not failover if this option is off", .default_value = "on", }, + { .key = {"ensure-durability"}, + .type = GF_OPTION_TYPE_BOOL, + .description = "Afr performs fsyncs for transactions if this " + "option is on to make sure the changelogs/data is " + "written to the disk", + .default_value = "on", + }, { .key = {NULL} }, }; diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h index 836a64d0..e72398a6 100644 --- a/xlators/cluster/afr/src/afr.h +++ b/xlators/cluster/afr/src/afr.h @@ -170,6 +170,7 @@ typedef struct _afr_private { gf_boolean_t did_discovery; gf_boolean_t readdir_failover; uint64_t sh_readdir_size; + gf_boolean_t ensure_durability; } afr_private_t; typedef enum { |