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Commit c62988ec authored by majianpeng's avatar majianpeng Committed by Sage Weil
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ceph: avoid meaningless calling ceph_caps_revoking if sync_mode == WB_SYNC_ALL. 



Signed-off-by: default avatarJianpeng Ma <majianpeng@gmail.com>
Reviewed-by: default avatarSage Weil <sage@inktank.com>
parent a1dc1937

fs/ceph/addr.c

+2 −2
Original line number Diff line number Diff line
@@ -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,