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Commit d180ec5d authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs 

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: event tracing support
  xfs: change the xfs_iext_insert / xfs_iext_remove
  xfs: cleanup bmap extent state macros
parents 53365383 0b1b213f

fs/xfs/Makefile

+3 −5
Original line number Diff line number Diff line
@@ -26,6 +26,8 @@ endif 


obj-$(CONFIG_XFS_FS)		+= xfs.o



xfs-y				+= linux-2.6/xfs_trace.o



xfs-$(CONFIG_XFS_QUOTA)		+= $(addprefix quota/, \

				   xfs_dquot.o \

				   xfs_dquot_item.o \
@@ -90,8 +92,7 @@ xfs-y += xfs_alloc.o \ 
				   xfs_rw.o \

				   xfs_dmops.o



xfs-$(CONFIG_XFS_TRACE)		+= xfs_btree_trace.o \

				   xfs_dir2_trace.o

xfs-$(CONFIG_XFS_TRACE)		+= xfs_btree_trace.o



# Objects in linux/

xfs-y				+= $(addprefix $(XFS_LINUX)/, \
@@ -113,6 +114,3 @@ xfs-y += $(addprefix $(XFS_LINUX)/, \ 
xfs-y				+= $(addprefix support/, \

				   debug.o \

				   uuid.o)
 


xfs-$(CONFIG_XFS_TRACE)		+= support/ktrace.o

fs/xfs/linux-2.6/xfs_acl.c

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include "xfs_bmap_btree.h"

#include "xfs_inode.h"

#include "xfs_vnodeops.h"

#include "xfs_trace.h"

#include <linux/xattr.h>

#include <linux/posix_acl_xattr.h>

fs/xfs/linux-2.6/xfs_aops.c

+5 −47
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 
#include "xfs_rw.h"

#include "xfs_iomap.h"

#include "xfs_vnodeops.h"

#include "xfs_trace.h"

#include <linux/mpage.h>

#include <linux/pagevec.h>

#include <linux/writeback.h>
@@ -76,7 +77,7 @@ xfs_ioend_wake( 
		wake_up(to_ioend_wq(ip));

}



STATIC void

void

xfs_count_page_state(

	struct page		*page,

	int			*delalloc,
@@ -98,48 +99,6 @@ xfs_count_page_state( 
	} while ((bh = bh->b_this_page) != head);

}



#if defined(XFS_RW_TRACE)

void

xfs_page_trace(

	int		tag,

	struct inode	*inode,

	struct page	*page,

	unsigned long	pgoff)

{

	xfs_inode_t	*ip;

	loff_t		isize = i_size_read(inode);

	loff_t		offset = page_offset(page);

	int		delalloc = -1, unmapped = -1, unwritten = -1;



	if (page_has_buffers(page))

		xfs_count_page_state(page, &delalloc, &unmapped, &unwritten);



	ip = XFS_I(inode);

	if (!ip->i_rwtrace)

		return;



	ktrace_enter(ip->i_rwtrace,

		(void *)((unsigned long)tag),

		(void *)ip,

		(void *)inode,

		(void *)page,

		(void *)pgoff,

		(void *)((unsigned long)((ip->i_d.di_size >> 32) & 0xffffffff)),

		(void *)((unsigned long)(ip->i_d.di_size & 0xffffffff)),

		(void *)((unsigned long)((isize >> 32) & 0xffffffff)),

		(void *)((unsigned long)(isize & 0xffffffff)),

		(void *)((unsigned long)((offset >> 32) & 0xffffffff)),

		(void *)((unsigned long)(offset & 0xffffffff)),

		(void *)((unsigned long)delalloc),

		(void *)((unsigned long)unmapped),

		(void *)((unsigned long)unwritten),

		(void *)((unsigned long)current_pid()),

		(void *)NULL);

}

#else

#define xfs_page_trace(tag, inode, page, pgoff)

#endif



STATIC struct block_device *

xfs_find_bdev_for_inode(

	struct xfs_inode	*ip)
@@ -1202,7 +1161,7 @@ xfs_vm_writepage( 
	int			delalloc, unmapped, unwritten;

	struct inode		*inode = page->mapping->host;



	xfs_page_trace(XFS_WRITEPAGE_ENTER, inode, page, 0);

	trace_xfs_writepage(inode, page, 0);



	/*

	 * We need a transaction if:
@@ -1307,7 +1266,7 @@ xfs_vm_releasepage( 
		.nr_to_write = 1,

	};



	xfs_page_trace(XFS_RELEASEPAGE_ENTER, inode, page, 0);

	trace_xfs_releasepage(inode, page, 0);



	if (!page_has_buffers(page))

		return 0;
@@ -1587,8 +1546,7 @@ xfs_vm_invalidatepage( 
	struct page		*page,

	unsigned long		offset)

{

	xfs_page_trace(XFS_INVALIDPAGE_ENTER,

			page->mapping->host, page, offset);

	trace_xfs_invalidatepage(page->mapping->host, page, offset);

	block_invalidatepage(page, offset);

}

fs/xfs/linux-2.6/xfs_aops.h

+2 −0
Original line number Diff line number Diff line
@@ -45,4 +45,6 @@ extern int xfs_get_blocks(struct inode *, sector_t, struct buffer_head *, int); 
extern void xfs_ioend_init(void);

extern void xfs_ioend_wait(struct xfs_inode *);



extern void xfs_count_page_state(struct page *, int *, int *, int *);



#endif /* __XFS_AOPS_H__ */

fs/xfs/linux-2.6/xfs_buf.c

+41 −76
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ 
#include "xfs_ag.h"

#include "xfs_dmapi.h"

#include "xfs_mount.h"

#include "xfs_trace.h"



static kmem_zone_t *xfs_buf_zone;

STATIC int xfsbufd(void *);
@@ -53,34 +54,6 @@ static struct workqueue_struct *xfslogd_workqueue; 
struct workqueue_struct *xfsdatad_workqueue;

struct workqueue_struct *xfsconvertd_workqueue;



#ifdef XFS_BUF_TRACE

void

xfs_buf_trace(

	xfs_buf_t	*bp,

	char		*id,

	void		*data,

	void		*ra)

{

	ktrace_enter(xfs_buf_trace_buf,

		bp, id,

		(void *)(unsigned long)bp->b_flags,

		(void *)(unsigned long)bp->b_hold.counter,

		(void *)(unsigned long)bp->b_sema.count,

		(void *)current,

		data, ra,

		(void *)(unsigned long)((bp->b_file_offset>>32) & 0xffffffff),

		(void *)(unsigned long)(bp->b_file_offset & 0xffffffff),

		(void *)(unsigned long)bp->b_buffer_length,

		NULL, NULL, NULL, NULL, NULL);

}

ktrace_t *xfs_buf_trace_buf;

#define XFS_BUF_TRACE_SIZE	4096

#define XB_TRACE(bp, id, data)	\

	xfs_buf_trace(bp, id, (void *)data, (void *)__builtin_return_address(0))

#else

#define XB_TRACE(bp, id, data)	do { } while (0)

#endif



#ifdef XFS_BUF_LOCK_TRACKING

# define XB_SET_OWNER(bp)	((bp)->b_last_holder = current->pid)

# define XB_CLEAR_OWNER(bp)	((bp)->b_last_holder = -1)
@@ -279,7 +252,8 @@ _xfs_buf_initialize( 
	init_waitqueue_head(&bp->b_waiters);



	XFS_STATS_INC(xb_create);

	XB_TRACE(bp, "initialize", target);



	trace_xfs_buf_init(bp, _RET_IP_);

}



/*
@@ -332,7 +306,7 @@ void 
xfs_buf_free(

	xfs_buf_t		*bp)

{

	XB_TRACE(bp, "free", 0);

	trace_xfs_buf_free(bp, _RET_IP_);



	ASSERT(list_empty(&bp->b_hash_list));
@@ -445,7 +419,6 @@ _xfs_buf_lookup_pages( 
	if (page_count == bp->b_page_count)

		bp->b_flags |= XBF_DONE;



	XB_TRACE(bp, "lookup_pages", (long)page_count);

	return error;

}
@@ -548,7 +521,6 @@ found: 
	if (down_trylock(&bp->b_sema)) {

		if (!(flags & XBF_TRYLOCK)) {

			/* wait for buffer ownership */

			XB_TRACE(bp, "get_lock", 0);

			xfs_buf_lock(bp);

			XFS_STATS_INC(xb_get_locked_waited);

		} else {
@@ -571,7 +543,8 @@ found: 
		ASSERT((bp->b_flags & _XBF_DELWRI_Q) == 0);

		bp->b_flags &= XBF_MAPPED;

	}

	XB_TRACE(bp, "got_lock", 0);



	trace_xfs_buf_find(bp, flags, _RET_IP_);

	XFS_STATS_INC(xb_get_locked);

	return bp;

}
@@ -627,7 +600,7 @@ xfs_buf_get( 
	bp->b_bn = ioff;

	bp->b_count_desired = bp->b_buffer_length;



	XB_TRACE(bp, "get", (unsigned long)flags);

	trace_xfs_buf_get(bp, flags, _RET_IP_);

	return bp;



 no_buffer:
@@ -644,8 +617,6 @@ _xfs_buf_read( 
{

	int			status;



	XB_TRACE(bp, "_xfs_buf_read", (unsigned long)flags);



	ASSERT(!(flags & (XBF_DELWRI|XBF_WRITE)));

	ASSERT(bp->b_bn != XFS_BUF_DADDR_NULL);
@@ -673,19 +644,18 @@ xfs_buf_read( 


	bp = xfs_buf_get(target, ioff, isize, flags);

	if (bp) {

		trace_xfs_buf_read(bp, flags, _RET_IP_);



		if (!XFS_BUF_ISDONE(bp)) {

			XB_TRACE(bp, "read", (unsigned long)flags);

			XFS_STATS_INC(xb_get_read);

			_xfs_buf_read(bp, flags);

		} else if (flags & XBF_ASYNC) {

			XB_TRACE(bp, "read_async", (unsigned long)flags);

			/*

			 * Read ahead call which is already satisfied,

			 * drop the buffer

			 */

			goto no_buffer;

		} else {

			XB_TRACE(bp, "read_done", (unsigned long)flags);

			/* We do not want read in the flags */

			bp->b_flags &= ~XBF_READ;

		}
@@ -823,7 +793,7 @@ xfs_buf_get_noaddr( 


	xfs_buf_unlock(bp);



	XB_TRACE(bp, "no_daddr", len);

	trace_xfs_buf_get_noaddr(bp, _RET_IP_);

	return bp;



 fail_free_mem:
@@ -845,8 +815,8 @@ void 
xfs_buf_hold(

	xfs_buf_t		*bp)

{

	trace_xfs_buf_hold(bp, _RET_IP_);

	atomic_inc(&bp->b_hold);

	XB_TRACE(bp, "hold", 0);

}



/*
@@ -859,7 +829,7 @@ xfs_buf_rele( 
{

	xfs_bufhash_t		*hash = bp->b_hash;



	XB_TRACE(bp, "rele", bp->b_relse);

	trace_xfs_buf_rele(bp, _RET_IP_);



	if (unlikely(!hash)) {

		ASSERT(!bp->b_relse);
@@ -909,21 +879,19 @@ xfs_buf_cond_lock( 
	int			locked;



	locked = down_trylock(&bp->b_sema) == 0;

	if (locked) {

	if (locked)

		XB_SET_OWNER(bp);

	}

	XB_TRACE(bp, "cond_lock", (long)locked);



	trace_xfs_buf_cond_lock(bp, _RET_IP_);

	return locked ? 0 : -EBUSY;

}



#if defined(DEBUG) || defined(XFS_BLI_TRACE)

int

xfs_buf_lock_value(

	xfs_buf_t		*bp)

{

	return bp->b_sema.count;

}

#endif



/*

 *	Locks a buffer object.
@@ -935,12 +903,14 @@ void 
xfs_buf_lock(

	xfs_buf_t		*bp)

{

	XB_TRACE(bp, "lock", 0);

	trace_xfs_buf_lock(bp, _RET_IP_);



	if (atomic_read(&bp->b_io_remaining))

		blk_run_address_space(bp->b_target->bt_mapping);

	down(&bp->b_sema);

	XB_SET_OWNER(bp);

	XB_TRACE(bp, "locked", 0);



	trace_xfs_buf_lock_done(bp, _RET_IP_);

}



/*
@@ -962,7 +932,8 @@ xfs_buf_unlock( 


	XB_CLEAR_OWNER(bp);

	up(&bp->b_sema);

	XB_TRACE(bp, "unlock", 0);



	trace_xfs_buf_unlock(bp, _RET_IP_);

}
@@ -974,17 +945,18 @@ void 
xfs_buf_pin(

	xfs_buf_t		*bp)

{

	trace_xfs_buf_pin(bp, _RET_IP_);

	atomic_inc(&bp->b_pin_count);

	XB_TRACE(bp, "pin", (long)bp->b_pin_count.counter);

}



void

xfs_buf_unpin(

	xfs_buf_t		*bp)

{

	trace_xfs_buf_unpin(bp, _RET_IP_);



	if (atomic_dec_and_test(&bp->b_pin_count))

		wake_up_all(&bp->b_waiters);

	XB_TRACE(bp, "unpin", (long)bp->b_pin_count.counter);

}



int
@@ -1035,7 +1007,7 @@ xfs_buf_iodone_work( 
	 */

	if ((bp->b_error == EOPNOTSUPP) &&

	    (bp->b_flags & (XBF_ORDERED|XBF_ASYNC)) == (XBF_ORDERED|XBF_ASYNC)) {

		XB_TRACE(bp, "ordered_retry", bp->b_iodone);

		trace_xfs_buf_ordered_retry(bp, _RET_IP_);

		bp->b_flags &= ~XBF_ORDERED;

		bp->b_flags |= _XFS_BARRIER_FAILED;

		xfs_buf_iorequest(bp);
@@ -1050,12 +1022,12 @@ xfs_buf_ioend( 
	xfs_buf_t		*bp,

	int			schedule)

{

	trace_xfs_buf_iodone(bp, _RET_IP_);



	bp->b_flags &= ~(XBF_READ | XBF_WRITE | XBF_READ_AHEAD);

	if (bp->b_error == 0)

		bp->b_flags |= XBF_DONE;



	XB_TRACE(bp, "iodone", bp->b_iodone);



	if ((bp->b_iodone) || (bp->b_flags & XBF_ASYNC)) {

		if (schedule) {

			INIT_WORK(&bp->b_iodone_work, xfs_buf_iodone_work);
@@ -1075,7 +1047,7 @@ xfs_buf_ioerror( 
{

	ASSERT(error >= 0 && error <= 0xffff);

	bp->b_error = (unsigned short)error;

	XB_TRACE(bp, "ioerror", (unsigned long)error);

	trace_xfs_buf_ioerror(bp, error, _RET_IP_);

}



int
@@ -1083,7 +1055,7 @@ xfs_bawrite( 
	void			*mp,

	struct xfs_buf		*bp)

{

	XB_TRACE(bp, "bawrite", 0);

	trace_xfs_buf_bawrite(bp, _RET_IP_);



	ASSERT(bp->b_bn != XFS_BUF_DADDR_NULL);
@@ -1102,7 +1074,7 @@ xfs_bdwrite( 
	void			*mp,

	struct xfs_buf		*bp)

{

	XB_TRACE(bp, "bdwrite", 0);

	trace_xfs_buf_bdwrite(bp, _RET_IP_);



	bp->b_strat = xfs_bdstrat_cb;

	bp->b_mount = mp;
@@ -1253,7 +1225,7 @@ int 
xfs_buf_iorequest(

	xfs_buf_t		*bp)

{

	XB_TRACE(bp, "iorequest", 0);

	trace_xfs_buf_iorequest(bp, _RET_IP_);



	if (bp->b_flags & XBF_DELWRI) {

		xfs_buf_delwri_queue(bp, 1);
@@ -1287,11 +1259,13 @@ int 
xfs_buf_iowait(

	xfs_buf_t		*bp)

{

	XB_TRACE(bp, "iowait", 0);

	trace_xfs_buf_iowait(bp, _RET_IP_);



	if (atomic_read(&bp->b_io_remaining))

		blk_run_address_space(bp->b_target->bt_mapping);

	wait_for_completion(&bp->b_iowait);

	XB_TRACE(bp, "iowaited", (long)bp->b_error);



	trace_xfs_buf_iowait_done(bp, _RET_IP_);

	return bp->b_error;

}
@@ -1604,7 +1578,8 @@ xfs_buf_delwri_queue( 
	struct list_head	*dwq = &bp->b_target->bt_delwrite_queue;

	spinlock_t		*dwlk = &bp->b_target->bt_delwrite_lock;



	XB_TRACE(bp, "delwri_q", (long)unlock);

	trace_xfs_buf_delwri_queue(bp, _RET_IP_);



	ASSERT((bp->b_flags&(XBF_DELWRI|XBF_ASYNC)) == (XBF_DELWRI|XBF_ASYNC));



	spin_lock(dwlk);
@@ -1644,7 +1619,7 @@ xfs_buf_delwri_dequeue( 
	if (dequeued)

		xfs_buf_rele(bp);



	XB_TRACE(bp, "delwri_dq", (long)dequeued);

	trace_xfs_buf_delwri_dequeue(bp, _RET_IP_);

}



STATIC void
@@ -1692,7 +1667,7 @@ xfs_buf_delwri_split( 
	INIT_LIST_HEAD(list);

	spin_lock(dwlk);

	list_for_each_entry_safe(bp, n, dwq, b_list) {

		XB_TRACE(bp, "walkq1", (long)xfs_buf_ispin(bp));

		trace_xfs_buf_delwri_split(bp, _RET_IP_);

		ASSERT(bp->b_flags & XBF_DELWRI);



		if (!xfs_buf_ispin(bp) && !xfs_buf_cond_lock(bp)) {
@@ -1816,14 +1791,10 @@ xfs_flush_buftarg( 
int __init

xfs_buf_init(void)

{

#ifdef XFS_BUF_TRACE

	xfs_buf_trace_buf = ktrace_alloc(XFS_BUF_TRACE_SIZE, KM_NOFS);

#endif



	xfs_buf_zone = kmem_zone_init_flags(sizeof(xfs_buf_t), "xfs_buf",

						KM_ZONE_HWALIGN, NULL);

	if (!xfs_buf_zone)

		goto out_free_trace_buf;

		goto out;



	xfslogd_workqueue = create_workqueue("xfslogd");

	if (!xfslogd_workqueue)
@@ -1846,10 +1817,7 @@ xfs_buf_init(void) 
	destroy_workqueue(xfslogd_workqueue);

 out_free_buf_zone:

	kmem_zone_destroy(xfs_buf_zone);

 out_free_trace_buf:

#ifdef XFS_BUF_TRACE

	ktrace_free(xfs_buf_trace_buf);

#endif

 out:

	return -ENOMEM;

}
@@ -1861,9 +1829,6 @@ xfs_buf_terminate(void) 
	destroy_workqueue(xfsdatad_workqueue);

	destroy_workqueue(xfslogd_workqueue);

	kmem_zone_destroy(xfs_buf_zone);

#ifdef XFS_BUF_TRACE

	ktrace_free(xfs_buf_trace_buf);

#endif

}



#ifdef CONFIG_KDB_MODULES