Merge branch 'locks' of git://linux-nfs.org/~bfields/linux

* 'locks' of git://linux-nfs.org/~bfields/linux:
  nfsd: remove IS_ISMNDLCK macro
  Rework /proc/locks via seq_files and seq_list helpers
  fs/locks.c: use list_for_each_entry() instead of list_for_each()
  NFS: clean up explicit check for mandatory locks
  AFS: clean up explicit check for mandatory locks
  9PFS: clean up explicit check for mandatory locks
  GFS2: clean up explicit check for mandatory locks
  Cleanup macros for distinguishing mandatory locks
  Documentation: move locks.txt in filesystems/
  locks: add warning about mandatory locking races
  Documentation: move mandatory locking documentation to filesystems/
  locks: Fix potential OOPS in generic_setlease()
  Use list_first_entry in locks_wake_up_blocks
  locks: fix flock_lock_file() comment
  Memory shortage can result in inconsistent flocks state
  locks: kill redundant local variable
  locks: reverse order of posix_locks_conflict() arguments

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index c664bb921425..08c7c7387fce 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -577,8 +577,7 @@ static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl)
         nfs_inc_stats(inode, NFSIOS_VFSLOCK);
 
         /* No mandatory locks over NFS */
-        if ((inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID &&
-            fl->fl_type != F_UNLCK)
+        if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
                 return -ENOLCK;
 
         if (IS_GETLK(cmd))