[PATCH 4/5][AFS] Use macro instead of explicit check for mandatorylocks

[Pavel Emelyanov]

The __MANDATORY_LOCK(inode) macro makes the same check, but
makes the code more readable.

Unfortunately, I haven't found the maintainer for this FS in 
the MAINTAINERS file.

Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxx>

---

 fs/afs/flock.c |    3 +--
 1 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/afs/flock.c b/fs/afs/flock.c
index af6952e..9ddac05 100644
--- a/fs/afs/flock.c
+++ b/fs/afs/flock.c
@@ -524,8 +524,7 @@ int afs_lock(struct file *file, int cmd,
 	       (long long) fl->fl_start, (long long) fl->fl_end);
 
 	/* AFS doesn't support mandatory locks */
-	if ((vnode->vfs_inode.i_mode & (S_ISGID | S_IXGRP)) == S_ISGID &&
-	    fl->fl_type != F_UNLCK)
+	if (__MANDATORY_LOCK(vnode->vfs_inode) && fl->fl_type != F_UNLCK)
 		return -ENOLCK;
 
 	if (IS_GETLK(cmd))

-
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