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-rw-r--r--fs/sync.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/fs/sync.c b/fs/sync.c
index 3422ba61d86d..66f210476f40 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -19,20 +19,22 @@
19 SYNC_FILE_RANGE_WAIT_AFTER) 19 SYNC_FILE_RANGE_WAIT_AFTER)
20 20
21/* 21/*
22 * Do the filesystem syncing work. For simple filesystems sync_inodes_sb(sb, 0) 22 * Do the filesystem syncing work. For simple filesystems
23 * just dirties buffers with inodes so we have to submit IO for these buffers 23 * writeback_inodes_sb(sb) just dirties buffers with inodes so we have to
24 * via __sync_blockdev(). This also speeds up the wait == 1 case since in that 24 * submit IO for these buffers via __sync_blockdev(). This also speeds up the
25 * case write_inode() functions do sync_dirty_buffer() and thus effectively 25 * wait == 1 case since in that case write_inode() functions do
26 * write one block at a time. 26 * sync_dirty_buffer() and thus effectively write one block at a time.
27 */ 27 */
28static int __sync_filesystem(struct super_block *sb, int wait) 28static int __sync_filesystem(struct super_block *sb, int wait)
29{ 29{
30 /* Avoid doing twice syncing and cache pruning for quota sync */ 30 /* Avoid doing twice syncing and cache pruning for quota sync */
31 if (!wait) 31 if (!wait) {
32 writeout_quota_sb(sb, -1); 32 writeout_quota_sb(sb, -1);
33 else 33 writeback_inodes_sb(sb);
34 } else {
34 sync_quota_sb(sb, -1); 35 sync_quota_sb(sb, -1);
35 sync_inodes_sb(sb, wait); 36 sync_inodes_sb(sb);
37 }
36 if (sb->s_op->sync_fs) 38 if (sb->s_op->sync_fs)
37 sb->s_op->sync_fs(sb, wait); 39 sb->s_op->sync_fs(sb, wait);
38 return __sync_blockdev(sb->s_bdev, wait); 40 return __sync_blockdev(sb->s_bdev, wait);