[2.6 patch] some XFS cleanups (fwd)

From: Adrian Bunk
Date: Tue Dec 07 2004 - 14:48:52 EST

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The patch forwarded below still applies and compiles against
2.6.10-rc2-mm4.

Please apply.

----- Forwarded message from Adrian Bunk <bunk@xxxxxxxxx> -----

Date: Sat, 30 Oct 2004 20:13:07 +0200
From: Adrian Bunk <bunk@xxxxxxxxx>
To: nathans@xxxxxxx
Cc: linux-xfs@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
Subject: [2.6 patch] some XFS cleanups

The patch below makes the following cleanups in the XFS code:
- remove the unused global function vfs_dmapiops
- remove some unused #define's
- make several functions static

diffstat output:
fs/xfs/linux-2.6/xfs_aops.c | 17 ++++++++++++++++-
fs/xfs/linux-2.6/xfs_buf.c | 4 ++--
fs/xfs/linux-2.6/xfs_iops.h | 1 -
fs/xfs/linux-2.6/xfs_linux.h | 14 --------------
fs/xfs/linux-2.6/xfs_super.c | 2 +-
fs/xfs/linux-2.6/xfs_super.h | 12 ------------
fs/xfs/linux-2.6/xfs_vfs.c | 29 ++++++++++++++---------------
fs/xfs/linux-2.6/xfs_vfs.h | 5 -----
8 files changed, 33 insertions(+), 51 deletions(-)

Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

--- linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_linux.h.old 2004-10-30 15:33:15.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_linux.h 2004-10-30 16:54:04.000000000 +0200
@@ -115,20 +115,6 @@
#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 */

-/*
- * State flag for unwritten extent buffers.
- *
- * We need to be able to distinguish between these and delayed
- * allocate buffers within XFS. The generic IO path code does
- * not need to distinguish - we use the BH_Delay flag for both
- * 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
#define irix_symlink_mode xfs_params.symlink_mode.val
--- linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_iops.h.old 2004-10-30 15:30:36.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_iops.h 2004-10-30 15:32:26.000000000 +0200
@@ -43,7 +43,6 @@
extern struct address_space_operations linvfs_aops;

extern int linvfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
-extern void linvfs_unwritten_done(struct buffer_head *, int);

extern int xfs_ioctl(struct bhv_desc *, struct inode *, struct file *,
int, unsigned int, void __user *);
--- linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_aops.c.old 2004-10-30 15:26:37.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_aops.c 2004-10-30 16:56:46.000000000 +0200
@@ -55,10 +55,25 @@
#include <linux/mpage.h>
#include <linux/writeback.h>

+STATIC void linvfs_unwritten_done(struct buffer_head *, int);
STATIC void xfs_count_page_state(struct page *, int *, int *, int *);
STATIC void xfs_convert_page(struct inode *, struct page *, xfs_iomap_t *,
struct writeback_control *wbc, void *, int, int);

+/*
+ * State flag for unwritten extent buffers.
+ *
+ * We need to be able to distinguish between these and delayed
+ * allocate buffers within XFS. The generic IO path code does
+ * not need to distinguish - we use the BH_Delay flag for both
+ * 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;
+}
+
#if defined(XFS_RW_TRACE)
void
xfs_page_trace(
@@ -104,7 +119,7 @@
#define xfs_page_trace(tag, inode, page, mask)
#endif

-void
+STATIC void
linvfs_unwritten_done(
struct buffer_head *bh,
int uptodate)
--- linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_buf.c.old 2004-10-30 15:33:58.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_buf.c 2004-10-30 15:40:03.000000000 +0200
@@ -1084,7 +1084,7 @@
* done with respect to that I/O. The pb_iodone routine, if
* present, will be called as a side-effect.
*/
-void
+static void
pagebuf_iodone_work(
void *v)
{
@@ -1263,7 +1263,7 @@
return 0;
}

-void
+static void
_pagebuf_ioapply(
xfs_buf_t *pb)
{
--- linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_super.h.old 2004-10-30 17:00:13.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_super.h 2004-10-30 17:00:30.000000000 +0200
@@ -32,24 +32,12 @@
#ifndef __XFS_SUPER_H__
#define __XFS_SUPER_H__

-#ifdef CONFIG_XFS_DMAPI
-# define vfs_insertdmapi(vfs) vfs_insertops(vfsp, &xfs_dmops)
-# define vfs_initdmapi() dmapi_init()
-# define vfs_exitdmapi() dmapi_uninit()
-#else
-# define vfs_insertdmapi(vfs) do { } while (0)
-# define vfs_initdmapi() do { } while (0)
-# define vfs_exitdmapi() do { } while (0)
-#endif
-
#ifdef CONFIG_XFS_QUOTA
-# define vfs_insertquota(vfs) vfs_insertops(vfsp, &xfs_qmops)
extern void xfs_qm_init(void);
extern void xfs_qm_exit(void);
# define vfs_initquota() xfs_qm_init()
# define vfs_exitquota() xfs_qm_exit()
#else
-# define vfs_insertquota(vfs) do { } while (0)
# define vfs_initquota() do { } while (0)
# define vfs_exitquota() do { } while (0)
#endif
--- linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_super.c.old 2004-10-30 16:58:45.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_super.c 2004-10-30 16:59:50.000000000 +0200
@@ -284,7 +284,7 @@
kmem_cache_free(linvfs_inode_zone, LINVFS_GET_VP(inode));
}

-int
+STATIC int
xfs_inode_shake(
int priority,
unsigned int gfp_mask)
--- linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_vfs.h.old 2004-10-30 17:08:34.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_vfs.h 2004-10-30 17:01:57.000000000 +0200
@@ -158,7 +158,6 @@
#define VFS_STATVFS(v, sp,vp, rv) ((rv) = vfs_statvfs(VHEAD(v), sp,vp))
#define VFS_SYNC(v, flag,cr, rv) ((rv) = vfs_sync(VHEAD(v), flag,cr))
#define VFS_VGET(v, vpp,fidp, rv) ((rv) = vfs_vget(VHEAD(v), vpp,fidp))
-#define VFS_DMAPIOPS(v, p, rv) ((rv) = vfs_dmapiops(VHEAD(v), p))
#define VFS_QUOTACTL(v, c,id,p, rv) ((rv) = vfs_quotactl(VHEAD(v), c,id,p))
#define VFS_INIT_VNODE(v, vp,b,ul) ( vfs_init_vnode(VHEAD(v), vp,b,ul) )
#define VFS_FORCE_SHUTDOWN(v, fl,f,l) ( vfs_force_shutdown(VHEAD(v), fl,f,l) )
@@ -176,7 +175,6 @@
#define PVFS_STATVFS(b, sp,vp, rv) ((rv) = vfs_statvfs(b, sp,vp))
#define PVFS_SYNC(b, flag,cr, rv) ((rv) = vfs_sync(b, flag,cr))
#define PVFS_VGET(b, vpp,fidp, rv) ((rv) = vfs_vget(b, vpp,fidp))
-#define PVFS_DMAPIOPS(b, p, rv) ((rv) = vfs_dmapiops(b, p))
#define PVFS_QUOTACTL(b, c,id,p, rv) ((rv) = vfs_quotactl(b, c,id,p))
#define PVFS_INIT_VNODE(b, vp,b2,ul) ( vfs_init_vnode(b, vp,b2,ul) )
#define PVFS_FORCE_SHUTDOWN(b, fl,f,l) ( vfs_force_shutdown(b, fl,f,l) )
@@ -191,7 +189,6 @@
extern int vfs_statvfs(bhv_desc_t *, xfs_statfs_t *, struct vnode *);
extern int vfs_sync(bhv_desc_t *, int, struct cred *);
extern int vfs_vget(bhv_desc_t *, struct vnode **, struct fid *);
-extern int vfs_dmapiops(bhv_desc_t *, caddr_t);
extern int vfs_quotactl(bhv_desc_t *, int, int, caddr_t);
extern void vfs_init_vnode(bhv_desc_t *, struct vnode *, bhv_desc_t *, int);
extern void vfs_force_shutdown(bhv_desc_t *, int, char *, int);
@@ -209,8 +206,6 @@

extern vfs_t *vfs_allocate(void);
extern void vfs_deallocate(vfs_t *);
-extern void vfs_insertops(vfs_t *, bhv_vfsops_t *);
-extern void vfs_insertbhv(vfs_t *, bhv_desc_t *, vfsops_t *, void *);

extern void bhv_insert_all_vfsops(struct vfs *);
extern void bhv_remove_all_vfsops(struct vfs *, int);
--- linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_vfs.c.old 2004-10-30 17:08:29.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/xfs/linux-2.6/xfs_vfs.c 2004-10-30 17:05:54.000000000 +0200
@@ -47,6 +47,18 @@
#include "xfs_mount.h"
#include "xfs_quota.h"

+#ifdef CONFIG_XFS_DMAPI
+# define vfs_insertdmapi(vfs) vfs_insertops(vfsp, &xfs_dmops)
+#else
+# define vfs_insertdmapi(vfs) do { } while (0)
+#endif
+
+#ifdef CONFIG_XFS_QUOTA
+# define vfs_insertquota(vfs) vfs_insertops(vfsp, &xfs_qmops)
+#else
+# define vfs_insertquota(vfs) do { } while (0)
+#endif
+
int
vfs_mount(
struct bhv_desc *bdp,
@@ -173,19 +185,6 @@
}

int
-vfs_dmapiops(
- struct bhv_desc *bdp,
- caddr_t addr)
-{
- struct bhv_desc *next = bdp;
-
- ASSERT(next);
- while (! (bhvtovfsops(next))->vfs_dmapiops)
- next = BHV_NEXT(next);
- return ((*bhvtovfsops(next)->vfs_dmapiops)(next, addr));
-}
-
-int
vfs_quotactl(
struct bhv_desc *bdp,
int cmd,
@@ -264,7 +263,7 @@
kmem_free(vfsp, sizeof(vfs_t));
}

-void
+static void
vfs_insertops(
struct vfs *vfsp,
struct bhv_vfsops *vfsops)
@@ -276,7 +275,7 @@
bhv_insert(&vfsp->vfs_bh, bdp);
}

-void
+static void
vfs_insertbhv(
struct vfs *vfsp,
struct bhv_desc *bdp,

-
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Next message: Adrian Bunk: "[2.6 patch] kernel/timer.c comment typo"
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