[1/7] fs: remove __sync_filesystem

Commit Message

Christoph Hellwig Oct. 19, 2021, 6:25 a.m. UTC

There is no clear benefit in having this helper vs just open coding it.

Signed-off-by: Christoph Hellwig <[e-mail]>
---
 fs/sync.c | 38 +++++++++++++++++---------------------
 1 file changed, 17 insertions(+), 21 deletions(-)

Comments

Chaitanya Kulkarni Oct. 19, 2021, 6:33 a.m. UTC | #1

On 10/18/2021 11:25 PM, Christoph Hellwig wrote:
> There is no clear benefit in having this helper vs just open coding it.
> 
> Signed-off-by: Christoph Hellwig <[e-mail]>

Especially if there is only one caller.

Looks good.

Reviewed-by: Chaitanya Kulkarni <[e-mail]>

Patch

diff --git a/fs/sync.c b/fs/sync.c
index 1373a610dc784..0d6cdc507cb98 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -21,25 +21,6 @@ 
 #define VALID_FLAGS (SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE| \
 			SYNC_FILE_RANGE_WAIT_AFTER)
 
-/*
- * Do the filesystem syncing work. For simple filesystems
- * writeback_inodes_sb(sb) just dirties buffers with inodes so we have to
- * submit IO for these buffers via __sync_blockdev(). This also speeds up the
- * wait == 1 case since in that case write_inode() functions do
- * sync_dirty_buffer() and thus effectively write one block at a time.
- */
-static int __sync_filesystem(struct super_block *sb, int wait)
-{
-	if (wait)
-		sync_inodes_sb(sb);
-	else
-		writeback_inodes_sb(sb, WB_REASON_SYNC);
-
-	if (sb->s_op->sync_fs)
-		sb->s_op->sync_fs(sb, wait);
-	return __sync_blockdev(sb->s_bdev, wait);
-}
-
 /*
  * Write out and wait upon all dirty data associated with this
  * superblock.  Filesystem data as well as the underlying block
@@ -61,10 +42,25 @@  int sync_filesystem(struct super_block *sb)
 	if (sb_rdonly(sb))
 		return 0;
 
-	ret = __sync_filesystem(sb, 0);
+	/*
+	 * Do the filesystem syncing work.  For simple filesystems
+	 * writeback_inodes_sb(sb) just dirties buffers with inodes so we have
+	 * to submit I/O for these buffers via __sync_blockdev().  This also
+	 * speeds up the wait == 1 case since in that case write_inode()
+	 * methods call sync_dirty_buffer() and thus effectively write one block
+	 * at a time.
+	 */
+	writeback_inodes_sb(sb, WB_REASON_SYNC);
+	if (sb->s_op->sync_fs)
+		sb->s_op->sync_fs(sb, 0);
+	ret = __sync_blockdev(sb->s_bdev, 0);
 	if (ret < 0)
 		return ret;
-	return __sync_filesystem(sb, 1);
+
+	sync_inodes_sb(sb);
+	if (sb->s_op->sync_fs)
+		sb->s_op->sync_fs(sb, 1);
+	return __sync_blockdev(sb->s_bdev, 1);
 }
 EXPORT_SYMBOL(sync_filesystem);