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path: root/fs/xfs/linux-2.6/xfs_iops.c
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Diffstat (limited to 'fs/xfs/linux-2.6/xfs_iops.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 9c8019c78c92..44f0b2de153e 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -585,11 +585,20 @@ xfs_vn_fallocate(
bf.l_len = len;
xfs_ilock(ip, XFS_IOLOCK_EXCL);
+
+ /* check the new inode size is valid before allocating */
+ if (!(mode & FALLOC_FL_KEEP_SIZE) &&
+ offset + len > i_size_read(inode)) {
+ new_size = offset + len;
+ error = inode_newsize_ok(inode, new_size);
+ if (error)
+ goto out_unlock;
+ }
+
error = -xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
0, XFS_ATTR_NOLOCK);
- if (!error && !(mode & FALLOC_FL_KEEP_SIZE) &&
- offset + len > i_size_read(inode))
- new_size = offset + len;
+ if (error)
+ goto out_unlock;
/* Change file size if needed */
if (new_size) {
@@ -600,6 +609,7 @@ xfs_vn_fallocate(
error = -xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK);
}
+out_unlock:
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
out_error:
return error;