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Commit 16515a6d authored by Chengguang Xu's avatar Chengguang Xu Committed by Ilya Dryomov
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ceph: improving efficiency of syncfs 



write_inode() could be called variety of reasons, in the case of syncfs(2)
there is no need to wait for flush getting completed in write_inode(),
->sync_fs is for guaranteeing flush completion for all inodes at that point.

Signed-off-by: default avatarChengguang Xu <cgxu519@icloud.com>
Reviewed-by: default avatar"Yan, Zheng" <zyan@redhat.com>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent affff077

fs/ceph/caps.c

+1 −1
Original line number Diff line number Diff line
@@ -2207,7 +2207,7 @@ int ceph_write_inode(struct inode *inode, struct writeback_control *wbc) 
	u64 flush_tid;

	int err = 0;

	int dirty;

	int wait = wbc->sync_mode == WB_SYNC_ALL;

	int wait = (wbc->sync_mode == WB_SYNC_ALL && !wbc->for_sync);



	dout("write_inode %p wait=%d\n", inode, wait);

	if (wait) {