diff mbox

[3/4] xfs: assert locking precondition in xfs_readlink_bmap_ilocked

Message ID 20170713113304.8079-4-hch@lst.de (mailing list archive)
State Accepted
Headers show

Commit Message

Christoph Hellwig July 13, 2017, 11:33 a.m. UTC
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_symlink.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Darrick J. Wong July 13, 2017, 7:23 p.m. UTC | #1
On Thu, Jul 13, 2017 at 01:33:03PM +0200, Christoph Hellwig wrote:

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>

> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  fs/xfs/xfs_symlink.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
> index 12cd9cf7de41..23a50d7aa46a 100644
> --- a/fs/xfs/xfs_symlink.c
> +++ b/fs/xfs/xfs_symlink.c
> @@ -61,6 +61,8 @@ xfs_readlink_bmap_ilocked(
>  	int			fsblocks = 0;
>  	int			offset;
>  
> +	ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
> +
>  	fsblocks = xfs_symlink_blocks(mp, pathlen);
>  	error = xfs_bmapi_read(ip, 0, fsblocks, mval, &nmaps, 0);
>  	if (error)
> -- 
> 2.11.0
> 
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diff mbox

Patch

diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 12cd9cf7de41..23a50d7aa46a 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -61,6 +61,8 @@  xfs_readlink_bmap_ilocked(
 	int			fsblocks = 0;
 	int			offset;
 
+	ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED | XFS_ILOCK_EXCL));
+
 	fsblocks = xfs_symlink_blocks(mp, pathlen);
 	error = xfs_bmapi_read(ip, 0, fsblocks, mval, &nmaps, 0);
 	if (error)