diff options
| author | Ajeet Jha <ajha@redhat.com> | 2014-08-23 19:06:45 +0530 |
|---|---|---|
| committer | Vijay Bellur <vbellur@redhat.com> | 2014-08-26 03:16:53 -0700 |
| commit | acabde2c297c4175946565017ba17a251ad3fb1c (patch) | |
| tree | 45a48a9f1c68b1966ce9c68dbb456997f62bdc63 /xlators/features/changelog/src/changelog-helpers.h | |
| parent | b56751b3b9a9ed3cceb2f0d221fa40ef94a8d516 (diff) | |
features/changelog: Crash consistency of changelog wrt snapshot
This patch introduces call-path fop details logging for data operations
in CHANGELOG.SNAP. This feature is enabled with barrier-enable
notification and disabled with barrier-disable notification.
Change-Id: Ib548d34203eb99cea478a6baff402e82251c73a4
BUG: 1128093
Signed-off-by: Ajeet Jha <ajha@redhat.com>
Reviewed-on: http://review.gluster.org/8533
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'xlators/features/changelog/src/changelog-helpers.h')
| -rw-r--r-- | xlators/features/changelog/src/changelog-helpers.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/xlators/features/changelog/src/changelog-helpers.h b/xlators/features/changelog/src/changelog-helpers.h index 87888fb8c4f..9bd4a3ff37c 100644 --- a/xlators/features/changelog/src/changelog-helpers.h +++ b/xlators/features/changelog/src/changelog-helpers.h @@ -212,11 +212,17 @@ struct changelog_priv { /* htime fd for current changelog session */ int htime_fd; + /* c_snap_fd is fd for call-path changelog */ + int c_snap_fd; + /* rollover_count used by htime */ int rollover_count; gf_lock_t lock; + /* lock to synchronize CSNAP updation */ + gf_lock_t c_snap_lock; + /* writen end of the pipe */ int wfd; @@ -431,6 +437,18 @@ changelog_drain_white_fops (xlator_t *this, changelog_priv_t *priv); void changelog_drain_black_fops (xlator_t *this, changelog_priv_t *priv); +/* Crash consistency of changelog wrt snapshot */ +int +changelog_snap_logging_stop ( xlator_t *this, changelog_priv_t *priv); +int +changelog_snap_logging_start ( xlator_t *this, changelog_priv_t *priv); +int +changelog_snap_open ( xlator_t *this, changelog_priv_t *priv); +int +changelog_snap_handle_ascii_change (xlator_t *this, + changelog_log_data_t *cld); +int +changelog_snap_write_change (changelog_priv_t *priv, char *buffer, size_t len); /* Changelog barrier routines */ void __chlog_barrier_enqueue (xlator_t *this, call_stub_t *stub); void __chlog_barrier_disable (xlator_t *this, struct list_head *queue); |