AcoSail/kernel_optimize_test
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xfs: allow reading of already-locked remote symbolic link

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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@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
This commit is contained in:
Darrick J. Wong 2017-06-16 11:00:15 -07:00
parent ad017f6537
commit 5da8f2f890
2 changed files with 4 additions and 3 deletions
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6
fs/xfs/xfs_symlink.c
View File

@ -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);

1
fs/xfs/xfs_symlink.h
View File

@ -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);