diff mbox series

[12/13] xfs: remove a stale comment from xfs_file_aio_write_checks()

Message ID 20210105005452.92521-13-ebiggers@kernel.org (mailing list archive)
State Superseded
Headers show
Series lazytime fixes and cleanups | expand

Commit Message

Eric Biggers Jan. 5, 2021, 12:54 a.m. UTC 
From: Eric Biggers <ebiggers@google.com>

The comment in xfs_file_aio_write_checks() about calling file_modified()
after dropping the ilock doesn't make sense, because the code that
unconditionally acquires and drops the ilock was removed by
commit 467f78992a07 ("xfs: reduce ilock hold times in
xfs_file_aio_write_checks").

Remove this outdated comment.

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 fs/xfs/xfs_file.c | 6 ------
 1 file changed, 6 deletions(-)

Comments

Christoph Hellwig Jan. 8, 2021, 9:15 a.m. UTC | #1 
On Mon, Jan 04, 2021 at 04:54:51PM -0800, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@google.com>
> 
> The comment in xfs_file_aio_write_checks() about calling file_modified()
> after dropping the ilock doesn't make sense, because the code that
> unconditionally acquires and drops the ilock was removed by
> commit 467f78992a07 ("xfs: reduce ilock hold times in
> xfs_file_aio_write_checks").
> 
> Remove this outdated comment.

Yes, this looks good, I actually have the removal included in a WIP
patch as well, but splitting it out like this look good to me:

Reviewed-by: Christoph Hellwig <hch@lst.de>
diff mbox series

Patch

diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 5b0f93f738372..4927c6653f15d 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -389,12 +389,6 @@  xfs_file_aio_write_checks(
 	} else
 		spin_unlock(&ip->i_flags_lock);
 
-	/*
-	 * Updating the timestamps will grab the ilock again from
-	 * xfs_fs_dirty_inode, so we have to call it after dropping the
-	 * lock above.  Eventually we should look into a way to avoid
-	 * the pointless lock roundtrip.
-	 */
 	return file_modified(file);
 }