[XFS] Make the pflags test/set wrappers more legible for us mere humans.

SGI-PV: 953338
SGI-Modid: xfs-linux-melb:xfs-kern:26099a

Signed-off-by: Nathan Scott <nathans@sgi.com>

1 files changed, 10 insertions, 4 deletions

diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 7d15cb910275..e92853954111 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -136,13 +136,19 @@ BUFFER_FNS(PrivateStart, unwritten);
 #define xfs_rotorstep           xfs_params.rotorstep.val
 #define xfs_inherit_nodefrag    xfs_params.inherit_nodfrg.val
 
-#ifndef raw_smp_processor_id
-#define raw_smp_processor_id()  smp_processor_id()
-#endif
-#define current_cpu()           raw_smp_processor_id()
+#define current_cpu()           (raw_smp_processor_id())
 #define current_pid()           (current->pid)
 #define current_fsuid(cred)     (current->fsuid)
 #define current_fsgid(cred)     (current->fsgid)
+#define current_set_flags(f)    (current->flags |= (f))
+#define current_test_flags(f)   (current->flags & (f))
+#define current_clear_flags(f)  (current->flags & ~(f))
+#define current_set_flags_nested(sp, f)         \
+                (*(sp) = current->flags, current->flags |= (f))
+#define current_clear_flags_nested(sp, f)       \
+                (*(sp) = current->flags, current->flags &= ~(f))
+#define current_restore_flags_nested(sp, f)     \
+                (current->flags = ((current->flags & ~(f)) | (*(sp) & (f))))
 
 #define NBPP            PAGE_SIZE
 #define DPPSHFT         (PAGE_SHIFT - 9)