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ceph: try to send partial cap release on cap message on missing inode

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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>
This commit is contained in:
Sage Weil
2010-06-09 16:52:04 -07:00
parent 3d7ded4d81
commit 2b2300d62e
3 changed files with 9 additions and 5 deletions
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3
fs/ceph/mds_client.h
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@@ -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);