Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...

[linux-2.6.git] / fs / xfs / linux-2.6 / kmem.h

diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h
index 939bd84..2cfd33d 100644 (file)
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/linux-2.6/kmem.h
@@ -22,6 +22,42 @@
 #include <linux/sched.h>
 #include <linux/mm.h>
 
+/*
+ * Process flags handling
+ */
+
+#define PFLAGS_TEST_NOIO()              (current->flags & PF_NOIO)
+#define PFLAGS_TEST_FSTRANS()           (current->flags & PF_FSTRANS)
+
+#define PFLAGS_SET_NOIO() do {         \
+       current->flags |= PF_NOIO;      \
+} while (0)
+
+#define PFLAGS_CLEAR_NOIO() do {       \
+       current->flags &= ~PF_NOIO;     \
+} while (0)
+
+/* these could be nested, so we save state */
+#define PFLAGS_SET_FSTRANS(STATEP) do {        \
+       *(STATEP) = current->flags;     \
+       current->flags |= PF_FSTRANS;   \
+} while (0)
+
+#define PFLAGS_CLEAR_FSTRANS(STATEP) do { \
+       *(STATEP) = current->flags;     \
+       current->flags &= ~PF_FSTRANS;  \
+} while (0)
+
+/* Restore the PF_FSTRANS state to what was saved in STATEP */
+#define PFLAGS_RESTORE_FSTRANS(STATEP) do {                    \
+       current->flags = ((current->flags & ~PF_FSTRANS) |      \
+                         (*(STATEP) & PF_FSTRANS));            \
+} while (0)
+
+#define PFLAGS_DUP(OSTATEP, NSTATEP) do { \
+       *(NSTATEP) = *(OSTATEP);        \
+} while (0)
+
 /*
  * General memory allocation interfaces
  */
@@ -47,7 +83,7 @@ kmem_flags_convert(unsigned int __nocast flags)
                lflags = GFP_ATOMIC | __GFP_NOWARN;
        } else {
                lflags = GFP_KERNEL | __GFP_NOWARN;
-               if ((current->flags & PF_FSTRANS) || (flags & KM_NOFS))
+               if (PFLAGS_TEST_FSTRANS() || (flags & KM_NOFS))
                        lflags &= ~__GFP_FS;
        }
        return lflags;