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Commit 93c189c1 authored by Vlad Apostolov's avatar Vlad Apostolov Committed by Tim Shimmin
Browse files

[XFS] 956618: Linux crashes on boot with XFS-DMAPI filesystem when 


CONFIG_XFS_TRACE is on

SGI-PV: 956618
SGI-Modid: xfs-linux-melb:xfs-kern:27196a

Signed-off-by: default avatarVlad Apostolov <vapo@sgi.com>
Signed-off-by: default avatarTim Shimmin <tes@sgi.com>
parent 088406bc

fs/xfs/Makefile-linux-2.6

+1 −16
Original line number Diff line number Diff line
@@ -21,22 +21,7 @@ EXTRA_CFLAGS += -Ifs/xfs -Ifs/xfs/linux-2.6 -funsigned-char 
XFS_LINUX := linux-2.6



ifeq ($(CONFIG_XFS_DEBUG),y)

	EXTRA_CFLAGS += -g -DSTATIC="" -DDEBUG

	EXTRA_CFLAGS += -DXFS_BUF_LOCK_TRACKING

endif

ifeq ($(CONFIG_XFS_TRACE),y)

	EXTRA_CFLAGS += -DXFS_ALLOC_TRACE

	EXTRA_CFLAGS += -DXFS_ATTR_TRACE

	EXTRA_CFLAGS += -DXFS_BLI_TRACE

	EXTRA_CFLAGS += -DXFS_BMAP_TRACE

	EXTRA_CFLAGS += -DXFS_BMBT_TRACE

	EXTRA_CFLAGS += -DXFS_DIR2_TRACE

	EXTRA_CFLAGS += -DXFS_DQUOT_TRACE

	EXTRA_CFLAGS += -DXFS_ILOCK_TRACE

	EXTRA_CFLAGS += -DXFS_LOG_TRACE

	EXTRA_CFLAGS += -DXFS_RW_TRACE

	EXTRA_CFLAGS += -DXFS_BUF_TRACE

	EXTRA_CFLAGS += -DXFS_VNODE_TRACE

	EXTRA_CFLAGS += -g

endif



obj-$(CONFIG_XFS_FS)		+= xfs.o

fs/xfs/linux-2.6/xfs_buf.c

+2 −2
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
 * along with this program; if not, write the Free Software Foundation,

 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include "xfs.h"

#include <linux/stddef.h>

#include <linux/errno.h>

#include <linux/slab.h>
@@ -31,7 +32,6 @@ 
#include <linux/kthread.h>

#include <linux/migrate.h>

#include <linux/backing-dev.h>

#include "xfs_linux.h"



STATIC kmem_zone_t *xfs_buf_zone;

STATIC kmem_shaker_t xfs_buf_shake;
@@ -1406,7 +1406,7 @@ xfs_alloc_bufhash( 
	btp->bt_hashshift = external ? 3 : 8;	/* 8 or 256 buckets */

	btp->bt_hashmask = (1 << btp->bt_hashshift) - 1;

	btp->bt_hash = kmem_zalloc((1 << btp->bt_hashshift) *

					sizeof(xfs_bufhash_t), KM_SLEEP);

					sizeof(xfs_bufhash_t), KM_SLEEP | KM_LARGE);

	for (i = 0; i < (1 << btp->bt_hashshift); i++) {

		spin_lock_init(&btp->bt_hash[i].bh_lock);

		INIT_LIST_HEAD(&btp->bt_hash[i].bh_list);

fs/xfs/support/debug.c

+1 −3
Original line number Diff line number Diff line
@@ -15,11 +15,9 @@ 
 * along with this program; if not, write the Free Software Foundation,

 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <xfs.h>

#include "debug.h"

#include "spin.h"

#include <asm/page.h>

#include <linux/sched.h>

#include <linux/kernel.h>



static char		message[256];	/* keep it off the stack */

static DEFINE_SPINLOCK(xfs_err_lock);

fs/xfs/xfs.h

+23 −0
Original line number Diff line number Diff line
@@ -17,5 +17,28 @@ 
 */

#ifndef __XFS_H__

#define __XFS_H__



#ifdef CONFIG_XFS_DEBUG

#define STATIC

#define DEBUG 1

#define XFS_BUF_LOCK_TRACKING 1

/* #define QUOTADEBUG 1 */

#endif



#ifdef CONFIG_XFS_TRACE

#define XFS_ALLOC_TRACE 1

#define XFS_ATTR_TRACE 1

#define XFS_BLI_TRACE 1

#define XFS_BMAP_TRACE 1

#define XFS_BMBT_TRACE 1

#define XFS_DIR2_TRACE 1

#define XFS_DQUOT_TRACE 1

#define XFS_ILOCK_TRACE 1

#define XFS_LOG_TRACE 1

#define XFS_RW_TRACE 1

#define XFS_BUF_TRACE 1

#define XFS_VNODE_TRACE 1

#endif



#include <linux-2.6/xfs_linux.h>

#endif	/* __XFS_H__ */