[XFS] Clean up i_flags and i_flags_lock handling.

SGI-PV: 956832
SGI-Modid: xfs-linux-melb:xfs-kern:27358a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Nathan Scott <nscott@aconex.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index e96eb0835fe6..bc823720d88f 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -305,6 +305,47 @@ typedef struct xfs_inode {
 #endif
 } xfs_inode_t;
 
+
+/*
+ * i_flags helper functions
+ */
+static inline void
+__xfs_iflags_set(xfs_inode_t *ip, unsigned short flags)
+{
+        ip->i_flags |= flags;
+}
+
+static inline void
+xfs_iflags_set(xfs_inode_t *ip, unsigned short flags)
+{
+        spin_lock(&ip->i_flags_lock);
+        __xfs_iflags_set(ip, flags);
+        spin_unlock(&ip->i_flags_lock);
+}
+
+static inline void
+xfs_iflags_clear(xfs_inode_t *ip, unsigned short flags)
+{
+        spin_lock(&ip->i_flags_lock);
+        ip->i_flags &= ~flags;
+        spin_unlock(&ip->i_flags_lock);
+}
+
+static inline int
+__xfs_iflags_test(xfs_inode_t *ip, unsigned short flags)
+{
+        return (ip->i_flags & flags);
+}
+
+static inline int
+xfs_iflags_test(xfs_inode_t *ip, unsigned short flags)
+{
+        int ret;
+        spin_lock(&ip->i_flags_lock);
+        ret = __xfs_iflags_test(ip, flags);
+        spin_unlock(&ip->i_flags_lock);
+        return ret;
+}
 #endif  /* __KERNEL__ */