staging: lustre: clio: update file attributes after sync

This really only affects clients that are attached to lustre
server running ZFS, because zfs does not update # of blocks
until the blocks are flushed to disk.

This patch update file's blocks attribute after OST_SYNC completes.

Signed-off-by: Bobi Jam <bobijam.xu@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4389
Reviewed-on: http://review.whamcloud.com/12915
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.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>

diff --git a/drivers/staging/lustre/lustre/osc/osc_internal.h b/drivers/staging/lustre/lustre/osc/osc_internal.h
index dc708ea..12d3b58 100644 (file)
--- a/drivers/staging/lustre/lustre/osc/osc_internal.h
+++ b/drivers/staging/lustre/lustre/osc/osc_internal.h
@@ -124,7 +124,7 @@ int osc_setattr_async(struct obd_export *exp, struct obdo *oa,
 int osc_punch_base(struct obd_export *exp, struct obdo *oa,
                   obd_enqueue_update_f upcall, void *cookie,
                   struct ptlrpc_request_set *rqset);
-int osc_sync_base(struct obd_export *exp, struct obdo *oa,
+int osc_sync_base(struct osc_object *exp, struct obdo *oa,
                  obd_enqueue_update_f upcall, void *cookie,
                  struct ptlrpc_request_set *rqset);
 

diff --git a/drivers/staging/lustre/lustre/osc/osc_io.c b/drivers/staging/lustre/lustre/osc/osc_io.c
index 8eb4275..3b82d0a 100644 (file)
--- a/drivers/staging/lustre/lustre/osc/osc_io.c
+++ b/drivers/staging/lustre/lustre/osc/osc_io.c
@@ -760,8 +760,7 @@ static int osc_fsync_ost(const struct lu_env *env, struct osc_object *obj,
 
        init_completion(&cbargs->opc_sync);
 
-       rc = osc_sync_base(osc_export(obj), oa, osc_async_upcall, cbargs,
-                          PTLRPCD_SET);
+       rc = osc_sync_base(obj, oa, osc_async_upcall, cbargs, PTLRPCD_SET);
        return rc;
 }
 

diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c
index c570d19..091558e 100644 (file)
--- a/drivers/staging/lustre/lustre/osc/osc_request.c
+++ b/drivers/staging/lustre/lustre/osc/osc_request.c
@@ -82,6 +82,7 @@ struct osc_setattr_args {
 };
 
 struct osc_fsync_args {
+       struct osc_object       *fa_obj;
        struct obdo             *fa_oa;
        obd_enqueue_update_f fa_upcall;
        void            *fa_cookie;
@@ -365,8 +366,11 @@ static int osc_sync_interpret(const struct lu_env *env,
                              struct ptlrpc_request *req,
                              void *arg, int rc)
 {
+       struct cl_attr *attr = &osc_env_info(env)->oti_attr;
        struct osc_fsync_args *fa = arg;
+       unsigned long valid = 0;
        struct ost_body *body;
+       struct cl_object *obj;
 
        if (rc)
                goto out;
@@ -379,15 +383,29 @@ static int osc_sync_interpret(const struct lu_env *env,
        }
 
        *fa->fa_oa = body->oa;
+       obj = osc2cl(fa->fa_obj);
+
+       /* Update osc object's blocks attribute */
+       cl_object_attr_lock(obj);
+       if (body->oa.o_valid & OBD_MD_FLBLOCKS) {
+               attr->cat_blocks = body->oa.o_blocks;
+               valid |= CAT_BLOCKS;
+       }
+
+       if (valid)
+               cl_object_attr_update(env, obj, attr, valid);
+       cl_object_attr_unlock(obj);
+
 out:
        rc = fa->fa_upcall(fa->fa_cookie, rc);
        return rc;
 }
 
-int osc_sync_base(struct obd_export *exp, struct obdo *oa,
+int osc_sync_base(struct osc_object *obj, struct obdo *oa,
                  obd_enqueue_update_f upcall, void *cookie,
                  struct ptlrpc_request_set *rqset)
 {
+       struct obd_export *exp = osc_export(obj);
        struct ptlrpc_request *req;
        struct ost_body *body;
        struct osc_fsync_args *fa;
@@ -414,6 +432,7 @@ int osc_sync_base(struct obd_export *exp, struct obdo *oa,
 
        CLASSERT(sizeof(*fa) <= sizeof(req->rq_async_args));
        fa = ptlrpc_req_async_args(req);
+       fa->fa_obj = obj;
        fa->fa_oa = oa;
        fa->fa_upcall = upcall;
        fa->fa_cookie = cookie;