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| author | Yan, Zheng | 2013-09-18 03:44:13 +0200 |
|---|---|---|
| committer | Sage Weil | 2013-09-30 23:49:53 +0200 |
| commit | 81c6aea5275eae453719d7f3924da07e668265c5 (patch) | |
| tree | 97fab33034d7b3f99cf4e875c1ed5c50bff54b78 /fs/ceph/mds_client.c | |
| parent | ceph: remove outdated frag information (diff) | |
| download | kernel-qcow2-linux-81c6aea5275eae453719d7f3924da07e668265c5.tar.gz kernel-qcow2-linux-81c6aea5275eae453719d7f3924da07e668265c5.tar.xz kernel-qcow2-linux-81c6aea5275eae453719d7f3924da07e668265c5.zip | |
ceph: handle frag mismatch between readdir request and reply
If client has outdated directory fragments information, it may request
readdir an non-existent directory fragment. In this case, the MDS finds
an approximate directory fragment and sends its contents back to the
client. When receiving a reply with fragment that is different than the
requested one, the client need to reset the 'readdir offset'.
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Reviewed-by: Sage Weil <sage@inktank.com>
Diffstat (limited to 'fs/ceph/mds_client.c')
| -rw-r--r-- | fs/ceph/mds_client.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index b7bda5d9611d..f51ab2627b41 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -2238,8 +2238,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg) err = ceph_fill_trace(mdsc->fsc->sb, req, req->r_session); if (err == 0) { if (result == 0 && (req->r_op == CEPH_MDS_OP_READDIR || - req->r_op == CEPH_MDS_OP_LSSNAP) && - rinfo->dir_nr) + req->r_op == CEPH_MDS_OP_LSSNAP)) ceph_readdir_prepopulate(req, req->r_session); ceph_unreserve_caps(mdsc, &req->r_caps_reservation); } |