diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_dquot_buf.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_dquot_buf.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c index 3b92427883fa..83bebb57d0da 100644 --- a/fs/xfs/libxfs/xfs_dquot_buf.c +++ b/fs/xfs/libxfs/xfs_dquot_buf.c @@ -41,7 +41,12 @@ xfs_calc_dquots_per_chunk( /* * Do some primitive error checking on ondisk dquot data structures. + * + * The xfs_dqblk structure /contains/ the xfs_disk_dquot structure; + * we verify them separately because at some points we have only the + * smaller xfs_disk_dquot structure available. */ + xfs_failaddr_t xfs_dquot_verify( struct xfs_mount *mp, @@ -100,6 +105,20 @@ xfs_dquot_verify( return NULL; } +xfs_failaddr_t +xfs_dqblk_verify( + struct xfs_mount *mp, + struct xfs_dqblk *dqb, + xfs_dqid_t id, + uint type) /* used only during quotacheck */ +{ + if (xfs_sb_version_hascrc(&mp->m_sb) && + !uuid_equal(&dqb->dd_uuid, &mp->m_sb.sb_meta_uuid)) + return __this_address; + + return xfs_dquot_verify(mp, &dqb->dd_diskdq, id, type); +} + /* * Do some primitive error checking on ondisk dquot data structures. */ @@ -156,8 +175,6 @@ xfs_dquot_buf_verify_crc( if (!xfs_verify_cksum((char *)d, sizeof(struct xfs_dqblk), XFS_DQUOT_CRC_OFF)) return false; - if (!uuid_equal(&d->dd_uuid, &mp->m_sb.sb_meta_uuid)) - return false; } return true; } @@ -167,7 +184,7 @@ xfs_dquot_buf_verify( struct xfs_mount *mp, struct xfs_buf *bp) { - struct xfs_dqblk *d = (struct xfs_dqblk *)bp->b_addr; + struct xfs_dqblk *dqb = bp->b_addr; xfs_failaddr_t fa; xfs_dqid_t id = 0; int ndquots; @@ -193,12 +210,12 @@ xfs_dquot_buf_verify( for (i = 0; i < ndquots; i++) { struct xfs_disk_dquot *ddq; - ddq = &d[i].dd_diskdq; + ddq = &dqb[i].dd_diskdq; if (i == 0) id = be32_to_cpu(ddq->d_id); - fa = xfs_dquot_verify(mp, ddq, id + i, 0); + fa = xfs_dqblk_verify(mp, &dqb[i], id + i, 0); if (fa) return fa; } |