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Commit a3da7896 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Lachlan McIlroy
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[XFS] cleanup vnode use in xfs_link 



SGI-PV: 976035
SGI-Modid: xfs-linux-melb:xfs-kern:30547a

Signed-off-by: default avatarChristoph Hellwig <hch@infradead.org>
Signed-off-by: default avatarLachlan McIlroy <lachlan@sgi.com>
parent 979ebab1

fs/xfs/linux-2.6/xfs_iops.c

+11 −12
Original line number Diff line number Diff line
@@ -395,25 +395,24 @@ xfs_vn_link( 
	struct inode	*dir,

	struct dentry	*dentry)

{

	struct inode	*ip;	/* inode of guy being linked to */

	bhv_vnode_t	*vp;	/* vp of name being linked */

	struct inode	*inode;	/* inode of guy being linked to */

	int		error;



	ip = old_dentry->d_inode;	/* inode being linked to */

	vp = vn_from_inode(ip);

	inode = old_dentry->d_inode;



	VN_HOLD(vp);

	error = xfs_link(XFS_I(dir), vp, dentry);

	igrab(inode);

	error = xfs_link(XFS_I(dir), XFS_I(inode), dentry);

	if (unlikely(error)) {

		VN_RELE(vp);

	} else {

		xfs_iflags_set(XFS_I(dir), XFS_IMODIFIED);

		xfs_validate_fields(ip);

		d_instantiate(dentry, ip);

	}

		iput(inode);

		return -error;

	}



	xfs_iflags_set(XFS_I(dir), XFS_IMODIFIED);

	xfs_validate_fields(inode);

	d_instantiate(dentry, inode);

	return 0;

}



STATIC int

xfs_vn_unlink(

	struct inode	*dir,

fs/xfs/xfs_vnodeops.c

+5 −7
Original line number Diff line number Diff line
@@ -2471,12 +2471,10 @@ xfs_remove( 
int

xfs_link(

	xfs_inode_t		*tdp,

	bhv_vnode_t		*src_vp,

	xfs_inode_t		*sip,

	bhv_vname_t		*dentry)

{

	bhv_vnode_t		*target_dir_vp = XFS_ITOV(tdp);

	xfs_mount_t		*mp = tdp->i_mount;

	xfs_inode_t		*sip = xfs_vtoi(src_vp);

	xfs_trans_t		*tp;

	xfs_inode_t		*ips[2];

	int			error;
@@ -2489,10 +2487,10 @@ xfs_link( 
	int			target_namelen;



	xfs_itrace_entry(tdp);

	xfs_itrace_entry(xfs_vtoi(src_vp));

	xfs_itrace_entry(sip);



	target_namelen = VNAMELEN(dentry);

	ASSERT(!VN_ISDIR(src_vp));

	ASSERT(!S_ISDIR(sip->i_d.di_mode));



	if (XFS_FORCED_SHUTDOWN(mp))

		return XFS_ERROR(EIO);
@@ -2544,8 +2542,8 @@ xfs_link( 
	 * xfs_trans_cancel will both unlock the inodes and

	 * decrement the associated ref counts.

	 */

	VN_HOLD(src_vp);

	VN_HOLD(target_dir_vp);

	IHOLD(sip);

	IHOLD(tdp);

	xfs_trans_ijoin(tp, sip, XFS_ILOCK_EXCL);

	xfs_trans_ijoin(tp, tdp, XFS_ILOCK_EXCL);

fs/xfs/xfs_vnodeops.h

+1 −1
Original line number Diff line number Diff line
@@ -28,7 +28,7 @@ int xfs_lookup(struct xfs_inode *dp, bhv_vname_t *dentry, 
int xfs_create(struct xfs_inode *dp, bhv_vname_t *dentry, mode_t mode,

		xfs_dev_t rdev, struct xfs_inode **ipp, struct cred *credp);

int xfs_remove(struct xfs_inode *dp, bhv_vname_t	*dentry);

int xfs_link(struct xfs_inode *tdp, bhv_vnode_t *src_vp,

int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip,

		bhv_vname_t *dentry);

int xfs_mkdir(struct xfs_inode *dp, bhv_vname_t *dentry,

		mode_t mode, struct xfs_inode **ipp, struct cred *credp);