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authorNiu Yawei <yawei.niu@intel.com>2017-01-28 19:04:59 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-03 13:01:37 +0100
commit553ed75d85123179b04ea89dfb4a3f41bcf38e9e (patch)
treeaed150a56eb6010a320097a1f8b4a6ff86e558a4 /drivers/staging/lustre
parentc843ce20125d75663300baffd69692468d5c7d9f (diff)
staging: lustre: clio: sync write should update mtime
Sync write should update m/ctime promptly, otherwise, stale m/ctime could be updated on the OST object by the sync write RPC. Signed-off-by: Niu Yawei <yawei.niu@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7310 Reviewed-on: http://review.whamcloud.com/21063 Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Bobi Jam <bobijam@hotmail.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/lustre')
-rw-r--r--drivers/staging/lustre/lustre/osc/osc_io.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/osc/osc_io.c b/drivers/staging/lustre/lustre/osc/osc_io.c
index 38f742496ee2..0b4cc4283b05 100644
--- a/drivers/staging/lustre/lustre/osc/osc_io.c
+++ b/drivers/staging/lustre/lustre/osc/osc_io.c
@@ -210,6 +210,18 @@ static int osc_io_submit(const struct lu_env *env,
if (queued > 0)
result = osc_queue_sync_pages(env, osc, &list, cmd, brw_flags);
+ /* Update c/mtime for sync write. LU-7310 */
+ if (qout->pl_nr > 0 && !result) {
+ struct cl_attr *attr = &osc_env_info(env)->oti_attr;
+ struct cl_object *obj = ios->cis_obj;
+
+ cl_object_attr_lock(obj);
+ attr->cat_mtime = LTIME_S(CURRENT_TIME);
+ attr->cat_ctime = attr->cat_mtime;
+ cl_object_attr_update(env, obj, attr, CAT_MTIME | CAT_CTIME);
+ cl_object_attr_unlock(obj);
+ }
+
CDEBUG(D_INFO, "%d/%d %d\n", qin->pl_nr, qout->pl_nr, result);
return qout->pl_nr > 0 ? 0 : result;
}