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ceph: avoid meaningless calling ceph_caps_revoking if sync_mode == WB_SYNC_ALL. 

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Reviewed-by: Sage Weil <sage@inktank.com>
This commit is contained in:
majianpeng 2013-06-19 15:12:06 +08:00 committed by Sage Weil
parent a1dc193733
commit c62988ec09
1 changed files with 2 additions and 2 deletions
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4
fs/ceph/addr.c
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@ -666,8 +666,8 @@ static int ceph_writepages_start(struct address_space *mapping,
* integrity write (e.g., O_SYNC write or fsync()), or if our
* cap is being revoked.
*/
do_sync = wbc->sync_mode == WB_SYNC_ALL;
if (ceph_caps_revoking(ci, CEPH_CAP_FILE_BUFFER))
if ((wbc->sync_mode == WB_SYNC_ALL) ||
ceph_caps_revoking(ci, CEPH_CAP_FILE_BUFFER))
do_sync = 1;
dout("writepages_start %p dosync=%d (mode=%s)\n",
inode, do_sync,