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authorDave Chinner <dchinner@redhat.com>2013-04-03 09:11:19 +0400
committerBen Myers <bpm@sgi.com>2013-04-27 20:49:28 +0400
commitf948dd76dde021c050c7c35720dc066a8b9a5e35 (patch)
tree457f8097ba46f72ecb6417f96f890f9ee202f6cc /fs/xfs/xfs_buf_item.h
parent19de7351a8eb82dc99745e60e8f43474831d99c7 (diff)
downloadlinux-f948dd76dde021c050c7c35720dc066a8b9a5e35.tar.xz
xfs: add CRC checks to remote symlinks
Add a header to the remote symlink block, containing location and owner information, as well as CRCs and LSN fields. This requires verifiers to be added to the remote symlink buffers for CRC enabled filesystems. This also fixes a bug reading multiple block symlinks, where the second block overwrites the first block when copying out the link name. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Ben Myers <bpm@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_buf_item.h')
-rw-r--r--fs/xfs/xfs_buf_item.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index abae8c8c4ec4..09cab4ed1065 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -49,6 +49,7 @@ extern kmem_zone_t *xfs_buf_item_zone;
#define XFS_BLF_AGFL_BUF (1<<7)
#define XFS_BLF_AGI_BUF (1<<8)
#define XFS_BLF_DINO_BUF (1<<9)
+#define XFS_BLF_SYMLINK_BUF (1<<10)
#define XFS_BLF_TYPE_MASK \
(XFS_BLF_UDQUOT_BUF | \
@@ -58,7 +59,8 @@ extern kmem_zone_t *xfs_buf_item_zone;
XFS_BLF_AGF_BUF | \
XFS_BLF_AGFL_BUF | \
XFS_BLF_AGI_BUF | \
- XFS_BLF_DINO_BUF)
+ XFS_BLF_DINO_BUF | \
+ XFS_BLF_SYMLINK_BUF)
#define XFS_BLF_CHUNK 128
#define XFS_BLF_SHIFT 7