xfs: modify verifiers to differentiate CRC from other errors

[mirror_ubuntu-zesty-kernel.git] / fs / xfs / xfs_dir2_data.c

diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c
index 74ae85e2556cf6beb174b417386ea7f6cae160db..afa4ad523f3f0278cf7de73a93a25c3b8b191e1d 100644 (file)
--- a/fs/xfs/xfs_dir2_data.c
+++ b/fs/xfs/xfs_dir2_data.c
@@ -241,7 +241,6 @@ static void
 xfs_dir3_data_reada_verify(
        struct xfs_buf          *bp)
 {
-       struct xfs_mount        *mp = bp->b_target->bt_mount;
        struct xfs_dir2_data_hdr *hdr = bp->b_addr;
 
        switch (hdr->magic) {
@@ -255,8 +254,8 @@ xfs_dir3_data_reada_verify(
                xfs_dir3_data_verify(bp);
                return;
        default:
-               XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, hdr);
                xfs_buf_ioerror(bp, EFSCORRUPTED);
+               xfs_verifier_error(bp);
                break;
        }
 }
@@ -267,12 +266,14 @@ xfs_dir3_data_read_verify(
 {
        struct xfs_mount        *mp = bp->b_target->bt_mount;
 
-       if ((xfs_sb_version_hascrc(&mp->m_sb) &&
-            !xfs_buf_verify_cksum(bp, XFS_DIR3_DATA_CRC_OFF)) ||
-           !xfs_dir3_data_verify(bp)) {
-               XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+       if (xfs_sb_version_hascrc(&mp->m_sb) &&
+            !xfs_buf_verify_cksum(bp, XFS_DIR3_DATA_CRC_OFF))
+                xfs_buf_ioerror(bp, EFSBADCRC);
+       else if (!xfs_dir3_data_verify(bp))
                xfs_buf_ioerror(bp, EFSCORRUPTED);
-       }
+
+       if (bp->b_error)
+               xfs_verifier_error(bp);
 }
 
 static void
@@ -284,8 +285,8 @@ xfs_dir3_data_write_verify(
        struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
 
        if (!xfs_dir3_data_verify(bp)) {
-               XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
                xfs_buf_ioerror(bp, EFSCORRUPTED);
+               xfs_verifier_error(bp);
                return;
        }