diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_dquot.c | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_dquot_item_recover.c | 21 |
2 files changed, 21 insertions, 5 deletions
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index ac6ba646624d..a013b87ab8d5 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -562,7 +562,8 @@ xfs_dquot_from_disk( struct xfs_dquot *dqp, struct xfs_buf *bp) { - struct xfs_disk_dquot *ddqp = bp->b_addr + dqp->q_bufoffset; + struct xfs_dqblk *dqb = xfs_buf_offset(bp, dqp->q_bufoffset); + struct xfs_disk_dquot *ddqp = &dqb->dd_diskdq; /* * Ensure that we got the type and ID we were looking for. @@ -1250,7 +1251,7 @@ xfs_qm_dqflush( } /* Flush the incore dquot to the ondisk buffer. */ - dqblk = bp->b_addr + dqp->q_bufoffset; + dqblk = xfs_buf_offset(bp, dqp->q_bufoffset); xfs_dquot_to_disk(&dqblk->dd_diskdq, dqp); /* diff --git a/fs/xfs/xfs_dquot_item_recover.c b/fs/xfs/xfs_dquot_item_recover.c index 8966ba842395..2c2720ce6923 100644 --- a/fs/xfs/xfs_dquot_item_recover.c +++ b/fs/xfs/xfs_dquot_item_recover.c @@ -19,6 +19,7 @@ #include "xfs_log.h" #include "xfs_log_priv.h" #include "xfs_log_recover.h" +#include "xfs_error.h" STATIC void xlog_recover_dquot_ra_pass2( @@ -65,6 +66,7 @@ xlog_recover_dquot_commit_pass2( { struct xfs_mount *mp = log->l_mp; struct xfs_buf *bp; + struct xfs_dqblk *dqb; struct xfs_disk_dquot *ddq, *recddq; struct xfs_dq_logformat *dq_f; xfs_failaddr_t fa; @@ -130,14 +132,14 @@ xlog_recover_dquot_commit_pass2( return error; ASSERT(bp); - ddq = xfs_buf_offset(bp, dq_f->qlf_boffset); + dqb = xfs_buf_offset(bp, dq_f->qlf_boffset); + ddq = &dqb->dd_diskdq; /* * If the dquot has an LSN in it, recover the dquot only if it's less * than the lsn of the transaction we are replaying. */ if (xfs_has_crc(mp)) { - struct xfs_dqblk *dqb = (struct xfs_dqblk *)ddq; xfs_lsn_t lsn = be64_to_cpu(dqb->dd_lsn); if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) { @@ -147,10 +149,23 @@ xlog_recover_dquot_commit_pass2( memcpy(ddq, recddq, item->ri_buf[1].i_len); if (xfs_has_crc(mp)) { - xfs_update_cksum((char *)ddq, sizeof(struct xfs_dqblk), + xfs_update_cksum((char *)dqb, sizeof(struct xfs_dqblk), XFS_DQUOT_CRC_OFF); } + /* Validate the recovered dquot. */ + fa = xfs_dqblk_verify(log->l_mp, dqb, dq_f->qlf_id); + if (fa) { + XFS_CORRUPTION_ERROR("Bad dquot after recovery", + XFS_ERRLEVEL_LOW, mp, dqb, + sizeof(struct xfs_dqblk)); + xfs_alert(mp, + "Metadata corruption detected at %pS, dquot 0x%x", + fa, dq_f->qlf_id); + error = -EFSCORRUPTED; + goto out_release; + } + ASSERT(dq_f->qlf_size == 2); ASSERT(bp->b_mount == mp); bp->b_flags |= _XBF_LOGRECOVERY; |