On Fri, Jun 02, 2017 at 03:19:42PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
>
> Expose the readlink variant that doesn't take the inode lock so that
> the scrubber can inspect symlink contents.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> ---
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
> fs/xfs/xfs_symlink.c | 6 +++---
> fs/xfs/xfs_symlink.h | 1 +
> 2 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
> index f2cb45e..49380485 100644
> --- a/fs/xfs/xfs_symlink.c
> +++ b/fs/xfs/xfs_symlink.c
> @@ -43,8 +43,8 @@
> #include "xfs_log.h"
>
> /* ----- Kernel only functions below ----- */
> -STATIC int
> -xfs_readlink_bmap(
> +int
> +xfs_readlink_bmap_ilocked(
> struct xfs_inode *ip,
> char *link)
> {
> @@ -153,7 +153,7 @@ xfs_readlink(
> }
>
>
> - error = xfs_readlink_bmap(ip, link);
> + error = xfs_readlink_bmap_ilocked(ip, link);
>
> out:
> xfs_iunlock(ip, XFS_ILOCK_SHARED);
> diff --git a/fs/xfs/xfs_symlink.h b/fs/xfs/xfs_symlink.h
> index e75245d..aeaee89 100644
> --- a/fs/xfs/xfs_symlink.h
> +++ b/fs/xfs/xfs_symlink.h
> @@ -21,6 +21,7 @@
>
> int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name,
> const char *target_path, umode_t mode, struct xfs_inode **ipp);
> +int xfs_readlink_bmap_ilocked(struct xfs_inode *ip, char *link);
> int xfs_readlink(struct xfs_inode *ip, char *link);
> int xfs_inactive_symlink(struct xfs_inode *ip);
>
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