diff options
Diffstat (limited to 'fs/xfs/xfs_dir2_block.c')
| -rw-r--r-- | fs/xfs/xfs_dir2_block.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index 25ce409487be..57351b868861 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -56,6 +56,26 @@ xfs_dir_startup(void) xfs_dir_hash_dotdot = xfs_da_hashname((unsigned char *)"..", 2); } +static void +xfs_dir2_block_verify( + struct xfs_buf *bp) +{ + struct xfs_mount *mp = bp->b_target->bt_mount; + struct xfs_dir2_data_hdr *hdr = bp->b_addr; + int block_ok = 0; + + block_ok = hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC); + block_ok = block_ok && __xfs_dir2_data_check(NULL, bp) == 0; + + if (!block_ok) { + XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, hdr); + xfs_buf_ioerror(bp, EFSCORRUPTED); + } + + bp->b_iodone = NULL; + xfs_buf_ioend(bp, 0); +} + static int xfs_dir2_block_read( struct xfs_trans *tp, @@ -65,7 +85,7 @@ xfs_dir2_block_read( struct xfs_mount *mp = dp->i_mount; return xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, bpp, - XFS_DATA_FORK, NULL); + XFS_DATA_FORK, xfs_dir2_block_verify); } static void |