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Commit 5bf431fa 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] Update maintainers
  [XFS] use scalable vmap API
  [XFS] remove old vmap cache
  [XFS] make xfs_ino_t an unsigned long long
  [XFS] truncate readdir offsets to signed 32 bit values
  [XFS] fix compile of xfs_btree_readahead_lblock on m68k
  [XFS] Remove macro-to-function indirections in the mask code
  [XFS] Remove macro-to-function indirections in attr code
  [XFS] Remove several unused typedefs.
  [XFS] pass XFS_IGET_BULKSTAT to xfs_iget for handle operations
parents c2919f2a cb7a97d0

MAINTAINERS

+2 −2
Original line number Diff line number Diff line
@@ -4842,11 +4842,11 @@ S: Supported 


XFS FILESYSTEM

P:	Silicon Graphics Inc

P:	Tim Shimmin

P:	Bill O'Donnell

M:	xfs-masters@oss.sgi.com

L:	xfs@oss.sgi.com

W:	http://oss.sgi.com/projects/xfs

T:	git git://oss.sgi.com:8090/xfs/xfs-2.6.git

T:	git://oss.sgi.com/xfs/xfs.git

S:	Supported



XILINX SYSTEMACE DRIVER

fs/xfs/linux-2.6/xfs_aops.h

+0 −2
Original line number Diff line number Diff line
@@ -21,8 +21,6 @@ 
extern struct workqueue_struct *xfsdatad_workqueue;

extern mempool_t *xfs_ioend_pool;



typedef void (*xfs_ioend_func_t)(void *);



/*

 * xfs_ioend struct manages large extent writes for XFS.

 * It can manage several multi-page bio's at once.

fs/xfs/linux-2.6/xfs_buf.c

+3 −76
Original line number Diff line number Diff line
@@ -165,75 +165,6 @@ test_page_region( 
	return (mask && (page_private(page) & mask) == mask);

}



/*

 *	Mapping of multi-page buffers into contiguous virtual space

 */



typedef struct a_list {

	void		*vm_addr;

	struct a_list	*next;

} a_list_t;



static a_list_t		*as_free_head;

static int		as_list_len;

static DEFINE_SPINLOCK(as_lock);



/*

 *	Try to batch vunmaps because they are costly.

 */

STATIC void

free_address(

	void		*addr)

{

	a_list_t	*aentry;



#ifdef CONFIG_XEN

	/*

	 * Xen needs to be able to make sure it can get an exclusive

	 * RO mapping of pages it wants to turn into a pagetable.  If

	 * a newly allocated page is also still being vmap()ed by xfs,

	 * it will cause pagetable construction to fail.  This is a

	 * quick workaround to always eagerly unmap pages so that Xen

	 * is happy.

	 */

	vunmap(addr);

	return;

#endif



	aentry = kmalloc(sizeof(a_list_t), GFP_NOWAIT);

	if (likely(aentry)) {

		spin_lock(&as_lock);

		aentry->next = as_free_head;

		aentry->vm_addr = addr;

		as_free_head = aentry;

		as_list_len++;

		spin_unlock(&as_lock);

	} else {

		vunmap(addr);

	}

}



STATIC void

purge_addresses(void)

{

	a_list_t	*aentry, *old;



	if (as_free_head == NULL)

		return;



	spin_lock(&as_lock);

	aentry = as_free_head;

	as_free_head = NULL;

	as_list_len = 0;

	spin_unlock(&as_lock);



	while ((old = aentry) != NULL) {

		vunmap(aentry->vm_addr);

		aentry = aentry->next;

		kfree(old);

	}

}



/*

 *	Internal xfs_buf_t object manipulation

 */
@@ -333,7 +264,7 @@ xfs_buf_free( 
		uint		i;



		if ((bp->b_flags & XBF_MAPPED) && (bp->b_page_count > 1))

			free_address(bp->b_addr - bp->b_offset);

                       vm_unmap_ram(bp->b_addr - bp->b_offset, bp->b_page_count);



		for (i = 0; i < bp->b_page_count; i++) {

			struct page	*page = bp->b_pages[i];
@@ -455,10 +386,8 @@ _xfs_buf_map_pages( 
		bp->b_addr = page_address(bp->b_pages[0]) + bp->b_offset;

		bp->b_flags |= XBF_MAPPED;

	} else if (flags & XBF_MAPPED) {

		if (as_list_len > 64)

			purge_addresses();

		bp->b_addr = vmap(bp->b_pages, bp->b_page_count,

					VM_MAP, PAGE_KERNEL);

               bp->b_addr = vm_map_ram(bp->b_pages, bp->b_page_count,

                                       -1, PAGE_KERNEL);

		if (unlikely(bp->b_addr == NULL))

			return -ENOMEM;

		bp->b_addr += bp->b_offset;
@@ -1743,8 +1672,6 @@ xfsbufd( 
			count++;

		}



		if (as_list_len > 0)

			purge_addresses();

		if (count)

			blk_run_address_space(target->bt_mapping);

fs/xfs/linux-2.6/xfs_export.c

+19 −4
Original line number Diff line number Diff line
@@ -126,11 +126,26 @@ xfs_nfs_get_inode( 
	if (ino == 0)

		return ERR_PTR(-ESTALE);



	error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_SHARED, &ip, 0);

	if (error)

	/*

	 * The XFS_IGET_BULKSTAT means that an invalid inode number is just

	 * fine and not an indication of a corrupted filesystem.  Because

	 * clients can send any kind of invalid file handle, e.g. after

	 * a restore on the server we have to deal with this case gracefully.

	 */

	error = xfs_iget(mp, NULL, ino, XFS_IGET_BULKSTAT,

			 XFS_ILOCK_SHARED, &ip, 0);

	if (error) {

		/*

		 * EINVAL means the inode cluster doesn't exist anymore.

		 * This implies the filehandle is stale, so we should

		 * translate it here.

		 * We don't use ESTALE directly down the chain to not

		 * confuse applications using bulkstat that expect EINVAL.

		 */

		if (error == EINVAL)

			error = ESTALE;

		return ERR_PTR(-error);

	if (!ip)

		return ERR_PTR(-EIO);

	}



	if (ip->i_d.di_gen != generation) {

		xfs_iput_new(ip, XFS_ILOCK_SHARED);

fs/xfs/xfs_acl.h

+0 −1
Original line number Diff line number Diff line
@@ -22,7 +22,6 @@ 
 * Access Control Lists

 */

typedef __uint16_t	xfs_acl_perm_t;

typedef __int32_t	xfs_acl_type_t;

typedef __int32_t	xfs_acl_tag_t;

typedef __int32_t	xfs_acl_id_t;