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Commit 3937be5b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Lachlan McIlroy
Browse files

[XFS] cleanup vnode use in xfs_symlink and xfs_rename 



SGI-PV: 976035
SGI-Modid: xfs-linux-melb:xfs-kern:30548a

Signed-off-by: default avatarChristoph Hellwig <hch@infradead.org>
Signed-off-by: default avatarLachlan McIlroy <lachlan@sgi.com>
parent a3da7896

fs/xfs/linux-2.6/xfs_iops.c

+21 −20
Original line number Diff line number Diff line
@@ -437,29 +437,33 @@ xfs_vn_symlink( 
	struct dentry	*dentry,

	const char	*symname)

{

	struct inode	*ip;

	bhv_vnode_t	*cvp;	/* used to lookup symlink to put in dentry */

	struct inode	*inode;

	struct xfs_inode *cip = NULL;

	int		error;

	mode_t		mode;



	cvp = NULL;



	mode = S_IFLNK |

		(irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO);



	error = xfs_symlink(XFS_I(dir), dentry, (char *)symname, mode,

			    &cvp, NULL);

	if (likely(!error && cvp)) {

		error = xfs_init_security(cvp, dir);

		if (likely(!error)) {

			ip = vn_to_inode(cvp);

			d_instantiate(dentry, ip);

			    &cip, NULL);

	if (unlikely(error))

		goto out;



	inode = cip->i_vnode;



	error = xfs_init_security(inode, dir);

	if (unlikely(error))

		goto out_cleanup_inode;



	d_instantiate(dentry, inode);

	xfs_validate_fields(dir);

			xfs_validate_fields(ip);

		} else {

			xfs_cleanup_inode(dir, cvp, dentry, 0);

		}

	}

	xfs_validate_fields(inode);

	return 0;



 out_cleanup_inode:

	xfs_cleanup_inode(dir, inode, dentry, 0);

 out:

	return -error;

}
@@ -487,12 +491,9 @@ xfs_vn_rename( 
	struct dentry	*ndentry)

{

	struct inode	*new_inode = ndentry->d_inode;

	bhv_vnode_t	*tvp;	/* target directory */

	int		error;



	tvp = vn_from_inode(ndir);



	error = xfs_rename(XFS_I(odir), odentry, tvp, ndentry);

	error = xfs_rename(XFS_I(odir), odentry, XFS_I(ndir), ndentry);

	if (likely(!error)) {

		if (new_inode)

			xfs_validate_fields(new_inode);

fs/xfs/xfs_rename.c

+5 −15
Original line number Diff line number Diff line
@@ -219,12 +219,11 @@ int 
xfs_rename(

	xfs_inode_t	*src_dp,

	bhv_vname_t	*src_vname,

	bhv_vnode_t	*target_dir_vp,

	xfs_inode_t	*target_dp,

	bhv_vname_t	*target_vname)

{

	bhv_vnode_t	*src_dir_vp = XFS_ITOV(src_dp);

	xfs_trans_t	*tp;

	xfs_inode_t	*target_dp, *src_ip, *target_ip;

	xfs_inode_t	*src_ip, *target_ip;

	xfs_mount_t	*mp = src_dp->i_mount;

	int		new_parent;		/* moving to a new dir */

	int		src_is_directory;	/* src_name is a directory */
@@ -244,16 +243,7 @@ xfs_rename( 
	int		target_namelen = VNAMELEN(target_vname);



	xfs_itrace_entry(src_dp);

	xfs_itrace_entry(xfs_vtoi(target_dir_vp));



	/*

	 * Find the XFS behavior descriptor for the target directory

	 * vnode since it was not handed to us.

	 */

	target_dp = xfs_vtoi(target_dir_vp);

	if (target_dp == NULL) {

		return XFS_ERROR(EXDEV);

	}

	xfs_itrace_entry(target_dp);



	if (DM_EVENT_ENABLED(src_dp, DM_EVENT_RENAME) ||

	    DM_EVENT_ENABLED(target_dp, DM_EVENT_RENAME)) {
@@ -360,10 +350,10 @@ xfs_rename( 
	 * them when they unlock the inodes.  Also, we need to be careful

	 * not to add an inode to the transaction more than once.

	 */

	VN_HOLD(src_dir_vp);

	IHOLD(src_dp);

	xfs_trans_ijoin(tp, src_dp, XFS_ILOCK_EXCL);

	if (new_parent) {

		VN_HOLD(target_dir_vp);

		IHOLD(target_dp);

		xfs_trans_ijoin(tp, target_dp, XFS_ILOCK_EXCL);

	}

	if ((src_ip != src_dp) && (src_ip != target_dp)) {

fs/xfs/xfs_vnodeops.c

+5 −11
Original line number Diff line number Diff line
@@ -3059,10 +3059,9 @@ xfs_symlink( 
	bhv_vname_t		*dentry,

	char			*target_path,

	mode_t			mode,

	bhv_vnode_t		**vpp,

	xfs_inode_t		**ipp,

	cred_t			*credp)

{

	bhv_vnode_t		*dir_vp = XFS_ITOV(dp);

	xfs_mount_t		*mp = dp->i_mount;

	xfs_trans_t		*tp;

	xfs_inode_t		*ip;
@@ -3088,7 +3087,7 @@ xfs_symlink( 
	char			*link_name = VNAME(dentry);

	int			link_namelen;



	*vpp = NULL;

	*ipp = NULL;

	error = 0;

	ip = NULL;

	tp = NULL;
@@ -3227,7 +3226,7 @@ xfs_symlink( 
	 * transaction cancel unlocking dp so don't do it explicitly in the

	 * error path.

	 */

	VN_HOLD(dir_vp);

	IHOLD(dp);

	xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);

	unlock_dp_on_error = B_FALSE;
@@ -3343,13 +3342,8 @@ xfs_symlink( 
					0, error, 0);

	}



	if (!error) {

		bhv_vnode_t *vp;



		ASSERT(ip);

		vp = XFS_ITOV(ip);

		*vpp = vp;

	}

	if (!error)

		*ipp = ip;

	return error;



 error2:

fs/xfs/xfs_vnodeops.h

+2 −2
Original line number Diff line number Diff line
@@ -36,7 +36,7 @@ int xfs_rmdir(struct xfs_inode *dp, bhv_vname_t *dentry); 
int xfs_readdir(struct xfs_inode	*dp, void *dirent, size_t bufsize,

		       xfs_off_t *offset, filldir_t filldir);

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

		char *target_path, mode_t mode, bhv_vnode_t **vpp,

		char *target_path, mode_t mode, struct xfs_inode **ipp,

		struct cred *credp);

int xfs_inode_flush(struct xfs_inode *ip, int flags);

int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state);
@@ -45,7 +45,7 @@ int xfs_change_file_space(struct xfs_inode *ip, int cmd, 
		xfs_flock64_t *bf, xfs_off_t offset,

		struct cred *credp, int	attr_flags);

int xfs_rename(struct xfs_inode *src_dp, bhv_vname_t *src_vname,

		bhv_vnode_t *target_dir_vp, bhv_vname_t *target_vname);

		struct xfs_inode *target_dp, bhv_vname_t *target_vname);

int xfs_attr_get(struct xfs_inode *ip, const char *name, char *value,

		int *valuelenp, int flags, cred_t *cred);

int xfs_attr_set(struct xfs_inode *dp, const char *name, char *value,