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| author | Sage Weil <sage@newdream.net> | 2010-07-15 14:58:39 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-07-16 10:30:18 -0700 |
| commit | e979cf50395e24c4bdd489f60e2d5dd5ae66d255 (patch) | |
| tree | 5d26b26b4b7eb9bed0812800ea4d2d5704c5eaa3 /fs/ceph/mds_client.c | |
| parent | 01a92f174f8a3b99dbb5e02c86e7ee1e576737af (diff) | |
| download | kernel_samsung_smdk4412-e979cf50395e24c4bdd489f60e2d5dd5ae66d255.zip kernel_samsung_smdk4412-e979cf50395e24c4bdd489f60e2d5dd5ae66d255.tar.gz kernel_samsung_smdk4412-e979cf50395e24c4bdd489f60e2d5dd5ae66d255.tar.bz2 | |
ceph: do not include cap/dentry releases in replayed messages
Strip the cap and dentry releases from replayed messages. They can
cause the shared state to get out of sync because they were generated
(with the request message) earlier, and no longer reflect the current
client state.
Signed-off-by: Sage Weil <sage@newdream.net>
Diffstat (limited to 'fs/ceph/mds_client.c')
| -rw-r--r-- | fs/ceph/mds_client.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 23332bc..416c08d 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1514,6 +1514,9 @@ static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc, ceph_encode_filepath(&p, end, ino1, path1); ceph_encode_filepath(&p, end, ino2, path2); + /* make note of release offset, in case we need to replay */ + req->r_request_release_offset = p - msg->front.iov_base; + /* cap releases */ releases = 0; if (req->r_inode_drop) @@ -1598,6 +1601,11 @@ static int __prepare_send_request(struct ceph_mds_client *mdsc, rhead->ino = cpu_to_le64(ceph_ino(req->r_target_inode)); rhead->num_retry = req->r_attempts - 1; + + /* remove cap/dentry releases from message */ + rhead->num_releases = 0; + msg->hdr.front_len = cpu_to_le32(req->r_request_release_offset); + msg->front.iov_len = req->r_request_release_offset; return 0; } |