[XFS] Push some common code out of write path into core XFS code for

[linux-2.6-omap-h63xx.git] / fs / xfs / linux-2.6 / xfs_linux.h

diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 44fed10af0ddc63bdbe5e4eb20d8ed225c7617a8..e92853954111725d4e35ae78db8d2fc0da27f4e1 100644 (file)
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -72,8 +72,10 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/proc_fs.h>
-#include <linux/version.h>
 #include <linux/sort.h>
+#include <linux/cpu.h>
+#include <linux/notifier.h>
+#include <linux/delay.h>
 
 #include <asm/page.h>
 #include <asm/div64.h>
@@ -101,6 +103,12 @@
  */
 #undef  HAVE_REFCACHE  /* reference cache not needed for NFS in 2.6 */
 #define HAVE_SENDFILE  /* sendfile(2) exists in 2.6, but not in 2.4 */
+#define HAVE_SPLICE    /* a splice(2) exists in 2.6, but not in 2.4 */
+#ifdef CONFIG_SMP
+#define HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */
+#else
+#undef  HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */
+#endif
 
 /*
  * State flag for unwritten extent buffers.
@@ -111,10 +119,6 @@
  * delalloc and these ondisk-uninitialised buffers.
  */
 BUFFER_FNS(PrivateStart, unwritten);
-static inline void set_buffer_unwritten_io(struct buffer_head *bh)
-{
-       bh->b_end_io = linvfs_unwritten_done;
-}
 
 #define restricted_chown       xfs_params.restrict_chown.val
 #define irix_sgid_inherit      xfs_params.sgid_inherit.val
@@ -130,14 +134,21 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
 #define xfs_buf_age_centisecs  xfs_params.xfs_buf_age.val
 #define xfs_inherit_nosymlinks xfs_params.inherit_nosym.val
 #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)
@@ -231,9 +242,9 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
 #define xfs_sort(a,n,s,fn)     sort(a,n,s,fn,NULL)
 #define xfs_stack_trace()      dump_stack()
 #define xfs_itruncate_data(ip, off)    \
-       (-vmtruncate(LINVFS_GET_IP(XFS_ITOV(ip)), (off)))
+       (-vmtruncate(vn_to_inode(XFS_ITOV(ip)), (off)))
 #define xfs_statvfs_fsid(statp, mp)    \
-       ({ u64 id = huge_encode_dev((mp)->m_dev);       \
+       ({ u64 id = huge_encode_dev((mp)->m_ddev_targp->bt_dev); \
           __kernel_fsid_t *fsid = &(statp)->f_fsid;    \
        (fsid->val[0] = (u32)id, fsid->val[1] = (u32)(id >> 32)); })