[XFS] cleanup vnode use in xfs_symlink and xfs_rename
SGI-PV: 976035
SGI-Modid: xfs-linux-melb:xfs-kern:30548a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 1df4820..215158c 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -437,29 +437,33 @@
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);
- xfs_validate_fields(dir);
- xfs_validate_fields(ip);
- } else {
- xfs_cleanup_inode(dir, cvp, dentry, 0);
- }
- }
+ &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(inode);
+ return 0;
+
+ out_cleanup_inode:
+ xfs_cleanup_inode(dir, inode, dentry, 0);
+ out:
return -error;
}
@@ -487,12 +491,9 @@
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);
diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c
index 6f80cfd..c4d0bac 100644
--- a/fs/xfs/xfs_rename.c
+++ b/fs/xfs/xfs_rename.c
@@ -219,12 +219,11 @@
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 @@
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 @@
* 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)) {
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 10d2d22..fa694dc 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -3059,10 +3059,9 @@
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 @@
char *link_name = VNAME(dentry);
int link_namelen;
- *vpp = NULL;
+ *ipp = NULL;
error = 0;
ip = NULL;
tp = NULL;
@@ -3227,7 +3226,7 @@
* 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 @@
0, error, 0);
}
- if (!error) {
- bhv_vnode_t *vp;
-
- ASSERT(ip);
- vp = XFS_ITOV(ip);
- *vpp = vp;
- }
+ if (!error)
+ *ipp = ip;
return error;
error2:
diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h
index 79c13f5..71e9b15 100644
--- a/fs/xfs/xfs_vnodeops.h
+++ b/fs/xfs/xfs_vnodeops.h
@@ -36,7 +36,7 @@
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 @@
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,
