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Diffstat (limited to 'fs/xfs/xfs_bmap.c')
-rw-r--r--fs/xfs/xfs_bmap.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index e28146fe046a..5b050c06795f 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -3705,7 +3705,7 @@ STATIC xfs_bmbt_rec_t * /* pointer to found extent entry */
3705xfs_bmap_search_extents( 3705xfs_bmap_search_extents(
3706 xfs_inode_t *ip, /* incore inode pointer */ 3706 xfs_inode_t *ip, /* incore inode pointer */
3707 xfs_fileoff_t bno, /* block number searched for */ 3707 xfs_fileoff_t bno, /* block number searched for */
3708 int whichfork, /* data or attr fork */ 3708 int fork, /* data or attr fork */
3709 int *eofp, /* out: end of file found */ 3709 int *eofp, /* out: end of file found */
3710 xfs_extnum_t *lastxp, /* out: last extent index */ 3710 xfs_extnum_t *lastxp, /* out: last extent index */
3711 xfs_bmbt_irec_t *gotp, /* out: extent entry found */ 3711 xfs_bmbt_irec_t *gotp, /* out: extent entry found */
@@ -3713,25 +3713,28 @@ xfs_bmap_search_extents(
3713{ 3713{
3714 xfs_ifork_t *ifp; /* inode fork pointer */ 3714 xfs_ifork_t *ifp; /* inode fork pointer */
3715 xfs_bmbt_rec_t *ep; /* extent record pointer */ 3715 xfs_bmbt_rec_t *ep; /* extent record pointer */
3716 int rt; /* realtime flag */
3717 3716
3718 XFS_STATS_INC(xs_look_exlist); 3717 XFS_STATS_INC(xs_look_exlist);
3719 ifp = XFS_IFORK_PTR(ip, whichfork); 3718 ifp = XFS_IFORK_PTR(ip, fork);
3720 3719
3721 ep = xfs_bmap_search_multi_extents(ifp, bno, eofp, lastxp, gotp, prevp); 3720 ep = xfs_bmap_search_multi_extents(ifp, bno, eofp, lastxp, gotp, prevp);
3722 3721
3723 rt = (whichfork == XFS_DATA_FORK) && XFS_IS_REALTIME_INODE(ip); 3722 if (unlikely(!(gotp->br_startblock) && (*lastxp != NULLEXTNUM) &&
3724 if (unlikely(!rt && !gotp->br_startblock && (*lastxp != NULLEXTNUM))) { 3723 !(XFS_IS_REALTIME_INODE(ip) && fork == XFS_DATA_FORK))) {
3725 cmn_err(CE_PANIC,"Access to block zero: fs: <%s> inode: %lld " 3724 xfs_cmn_err(XFS_PTAG_FSBLOCK_ZERO, CE_ALERT, ip->i_mount,
3726 "start_block : %llx start_off : %llx blkcnt : %llx " 3725 "Access to block zero in inode %llu "
3727 "extent-state : %x \n", 3726 "start_block: %llx start_off: %llx "
3728 (ip->i_mount)->m_fsname, (long long)ip->i_ino, 3727 "blkcnt: %llx extent-state: %x lastx: %x\n",
3728 (unsigned long long)ip->i_ino,
3729 (unsigned long long)gotp->br_startblock, 3729 (unsigned long long)gotp->br_startblock,
3730 (unsigned long long)gotp->br_startoff, 3730 (unsigned long long)gotp->br_startoff,
3731 (unsigned long long)gotp->br_blockcount, 3731 (unsigned long long)gotp->br_blockcount,
3732 gotp->br_state); 3732 gotp->br_state, *lastxp);
3733 } 3733 *lastxp = NULLEXTNUM;
3734 return ep; 3734 *eofp = 1;
3735 return NULL;
3736 }
3737 return ep;
3735} 3738}
3736 3739
3737 3740