diff options
| -rw-r--r-- | fs/xfs/xfs_bmap_util.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 74f96e1aa5cd..04d0c2bff67c 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -439,29 +439,28 @@ xfs_getbmap( whichfork = XFS_COW_FORK; else whichfork = XFS_DATA_FORK; - ifp = xfs_ifork_ptr(ip, whichfork); xfs_ilock(ip, XFS_IOLOCK_SHARED); switch (whichfork) { case XFS_ATTR_FORK: + lock = xfs_ilock_attr_map_shared(ip); if (!xfs_inode_has_attr_fork(ip)) - goto out_unlock_iolock; + goto out_unlock_ilock; max_len = 1LL << 32; - lock = xfs_ilock_attr_map_shared(ip); break; case XFS_COW_FORK: + lock = XFS_ILOCK_SHARED; + xfs_ilock(ip, lock); + /* No CoW fork? Just return */ - if (!ifp) - goto out_unlock_iolock; + if (!xfs_ifork_ptr(ip, whichfork)) + goto out_unlock_ilock; if (xfs_get_cowextsz_hint(ip)) max_len = mp->m_super->s_maxbytes; else max_len = XFS_ISIZE(ip); - - lock = XFS_ILOCK_SHARED; - xfs_ilock(ip, lock); break; case XFS_DATA_FORK: if (!(iflags & BMV_IF_DELALLOC) && @@ -491,6 +490,8 @@ xfs_getbmap( break; } + ifp = xfs_ifork_ptr(ip, whichfork); + switch (ifp->if_format) { case XFS_DINODE_FMT_EXTENTS: case XFS_DINODE_FMT_BTREE: |