Commit 75e17b3c authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Nathan Scott
Browse files

[XFS] add helper to get xfs_inode from vnode 



SGI-PV: 947206
SGI-Modid: xfs-linux-melb:xfs-kern:203960a

Signed-off-by: default avatarChristoph Hellwig <hch@sgi.com>
Signed-off-by: default avatarNathan Scott <nathans@sgi.com>
parent 204ab25f

fs/xfs/linux-2.6/xfs_aops.c

+1 −3
Original line number Diff line number Diff line
@@ -54,7 +54,6 @@ xfs_page_trace( 
	int		mask)

{

	xfs_inode_t	*ip;

	bhv_desc_t	*bdp;

	vnode_t		*vp = LINVFS_GET_VP(inode);

	loff_t		isize = i_size_read(inode);

	loff_t		offset = page_offset(page);
@@ -63,8 +62,7 @@ xfs_page_trace( 
	if (page_has_buffers(page))

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



	bdp = vn_bhv_lookup(VN_BHV_HEAD(vp), &xfs_vnodeops);

	ip = XFS_BHVTOI(bdp);

	ip = xfs_vtoi(vp);

	if (!ip->i_rwtrace)

		return;

fs/xfs/linux-2.6/xfs_file.c

+2 −4
Original line number Diff line number Diff line
@@ -509,16 +509,14 @@ linvfs_open_exec( 
	vnode_t		*vp = LINVFS_GET_VP(inode);

	xfs_mount_t	*mp = XFS_VFSTOM(vp->v_vfsp);

	int		error = 0;

	bhv_desc_t	*bdp;

	xfs_inode_t	*ip;



	if (vp->v_vfsp->vfs_flag & VFS_DMI) {

		bdp = vn_bhv_lookup(VN_BHV_HEAD(vp), &xfs_vnodeops);

		if (!bdp) {

		ip = xfs_vtoi(vp);

		if (!ip) {

			error = -EINVAL;

			goto open_exec_out;

		}

		ip = XFS_BHVTOI(bdp);

		if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ)) {

			error = -XFS_SEND_DATA(mp, DM_EVENT_READ, vp,

					       0, 0, 0, NULL);

fs/xfs/linux-2.6/xfs_ioctl.c

+1 −4
Original line number Diff line number Diff line
@@ -145,13 +145,10 @@ xfs_find_handle( 


	if (cmd != XFS_IOC_PATH_TO_FSHANDLE) {

		xfs_inode_t	*ip;

		bhv_desc_t	*bhv;

		int		lock_mode;



		/* need to get access to the xfs_inode to read the generation */

		bhv = vn_bhv_lookup_unlocked(VN_BHV_HEAD(vp), &xfs_vnodeops);

		ASSERT(bhv);

		ip = XFS_BHVTOI(bhv);

		ip = xfs_vtoi(vp);

		ASSERT(ip);

		lock_mode = xfs_ilock_map_shared(ip);

fs/xfs/linux-2.6/xfs_iops.c

+16 −0
Original line number Diff line number Diff line
@@ -58,6 +58,22 @@ 
#define IS_NOATIME(inode) ((inode->i_sb->s_flags & MS_NOATIME) ||	\

	(S_ISDIR(inode->i_mode) && inode->i_sb->s_flags & MS_NODIRATIME))



/*

 * Get a XFS inode from a given vnode.

 */

xfs_inode_t *

xfs_vtoi(

	struct vnode	*vp)

{

	bhv_desc_t      *bdp;



	bdp = bhv_lookup_range(VN_BHV_HEAD(vp),

			VNODE_POSITION_XFS, VNODE_POSITION_XFS);

	if (unlikely(bdp == NULL))

		return NULL;

	return XFS_BHVTOI(bdp);

}



/*

 * Bring the atime in the XFS inode uptodate.

 * Used before logging the inode to disk or when the Linux inode goes away.

fs/xfs/xfs_dfrag.c

+4 −12
Original line number Diff line number Diff line
@@ -60,8 +60,6 @@ xfs_swapext( 
	xfs_bstat_t	*sbp;

	struct file	*fp = NULL, *tfp = NULL;

	vnode_t		*vp, *tvp;

	bhv_desc_t      *bdp, *tbdp;

	vn_bhv_head_t   *bhp, *tbhp;

	static uint	lock_flags = XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL;

	int		ilf_fields, tilf_fields;

	int		error = 0;
@@ -90,13 +88,10 @@ xfs_swapext( 
		goto error0;

	}



	bhp = VN_BHV_HEAD(vp);

	bdp = vn_bhv_lookup(bhp, &xfs_vnodeops);

	if (bdp == NULL) {

	ip = xfs_vtoi(vp);

	if (ip == NULL) {

		error = XFS_ERROR(EBADF);

		goto error0;

	} else {

		ip = XFS_BHVTOI(bdp);

	}



	if (((tfp = fget((int)sxp->sx_fdtmp)) == NULL) ||
@@ -105,13 +100,10 @@ xfs_swapext( 
		goto error0;

	}



	tbhp = VN_BHV_HEAD(tvp);

	tbdp = vn_bhv_lookup(tbhp, &xfs_vnodeops);

	if (tbdp == NULL) {

	tip = xfs_vtoi(tvp);

	if (tip == NULL) {

		error = XFS_ERROR(EBADF);

		goto error0;

	} else {

		tip = XFS_BHVTOI(tbdp);

	}



	if (ip->i_mount != tip->i_mount) {