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| author | Sage Weil <sage@newdream.net> | 2010-06-09 16:52:04 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-06-10 13:30:25 -0700 |
| commit | 2b2300d62ea413bec631d5b880effa2cc5363acb (patch) | |
| tree | 50707a1b8a547d781dc23fd830c23d580671c8a8 | |
| parent | 3d7ded4d81d807c2f75f310a8d74a5d72be13a1b (diff) | |
| download | linux-2b2300d62ea413bec631d5b880effa2cc5363acb.tar.gz linux-2b2300d62ea413bec631d5b880effa2cc5363acb.tar.bz2 linux-2b2300d62ea413bec631d5b880effa2cc5363acb.zip | |
ceph: try to send partial cap release on cap message on missing inode
If we have enough memory to allocate a new cap release message, do so, so
that we can send a partial release message immediately. This keeps us from
making the MDS wait when the cap release it needs is in a partially full
release message.
If we fail because of ENOMEM, oh well, they'll just have to wait a bit
longer.
Signed-off-by: Sage Weil <sage@newdream.net>
| -rw-r--r-- | fs/ceph/caps.c | 1 | ||||
| -rw-r--r-- | fs/ceph/mds_client.c | 10 | ||||
| -rw-r--r-- | fs/ceph/mds_client.h | 3 |
3 files changed, 9 insertions, 5 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 7c692e746237..619b61655ee5 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2708,6 +2708,7 @@ void ceph_handle_caps(struct ceph_mds_session *session, * along for the mds (who clearly thinks we still have this * cap). */ + ceph_add_cap_releases(mdsc, session, -1); ceph_send_cap_releases(mdsc, session); goto done; } diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index d28b6a9c0f96..1766947fc07a 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1066,9 +1066,9 @@ static int trim_caps(struct ceph_mds_client *mdsc, * * Called under s_mutex. */ -static int add_cap_releases(struct ceph_mds_client *mdsc, - struct ceph_mds_session *session, - int extra) +int ceph_add_cap_releases(struct ceph_mds_client *mdsc, + struct ceph_mds_session *session, + int extra) { struct ceph_msg *msg; struct ceph_mds_cap_release *head; @@ -1980,7 +1980,7 @@ out_err: } mutex_unlock(&mdsc->mutex); - add_cap_releases(mdsc, req->r_session, -1); + ceph_add_cap_releases(mdsc, req->r_session, -1); mutex_unlock(&session->s_mutex); /* kick calling process */ @@ -2690,7 +2690,7 @@ static void delayed_work(struct work_struct *work) send_renew_caps(mdsc, s); else ceph_con_keepalive(&s->s_con); - add_cap_releases(mdsc, s, -1); + ceph_add_cap_releases(mdsc, s, -1); if (s->s_state == CEPH_MDS_SESSION_OPEN || s->s_state == CEPH_MDS_SESSION_HUNG) ceph_send_cap_releases(mdsc, s); diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index e43752b52635..b292fa42a66d 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -322,6 +322,9 @@ static inline void ceph_mdsc_put_request(struct ceph_mds_request *req) kref_put(&req->r_kref, ceph_mdsc_release_request); } +extern int ceph_add_cap_releases(struct ceph_mds_client *mdsc, + struct ceph_mds_session *session, + int extra); extern void ceph_send_cap_releases(struct ceph_mds_client *mdsc, struct ceph_mds_session *session); |