diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 76be1a18e244..34518a6dc737 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -3891,7 +3891,8 @@ xfs_bmapi_read( int flags) { struct xfs_mount *mp = ip->i_mount; - struct xfs_ifork *ifp; + int whichfork = xfs_bmapi_whichfork(flags); + struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork); struct xfs_bmbt_irec got; xfs_fileoff_t obno; xfs_fileoff_t end; @@ -3899,12 +3900,14 @@ xfs_bmapi_read( int error; bool eof = false; int n = 0; - int whichfork = xfs_bmapi_whichfork(flags); ASSERT(*nmap >= 1); ASSERT(!(flags & ~(XFS_BMAPI_ATTRFORK | XFS_BMAPI_ENTIRE))); ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED|XFS_ILOCK_EXCL)); + if (WARN_ON_ONCE(!ifp)) + return -EFSCORRUPTED; + if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { return -EFSCORRUPTED; @@ -3915,21 +3918,6 @@ xfs_bmapi_read( XFS_STATS_INC(mp, xs_blk_mapr); - ifp = XFS_IFORK_PTR(ip, whichfork); - if (!ifp) { - /* - * A missing attr ifork implies that the inode says we're in - * extents or btree format but failed to pass the inode fork - * verifier while trying to load it. Treat that as a file - * corruption too. - */ -#ifdef DEBUG - xfs_alert(mp, "%s: inode %llu missing fork %d", - __func__, ip->i_ino, whichfork); -#endif /* DEBUG */ - return -EFSCORRUPTED; - } - if (!(ifp->if_flags & XFS_IFEXTENTS)) { error = xfs_iread_extents(NULL, ip, whichfork); if (error) |