[PATCH] ceph: avoid meaningless calling ceph_caps_revoking if sync_mode == WB_SYNC_ALL.

From: majianpeng
Date: Wed Jun 19 2013 - 03:12:16 EST


Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx>
---
fs/ceph/addr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 3e68ac1..25fa8b8 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -677,8 +677,8 @@ 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,
--
1.8.3.rc1.44.gb387c77
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