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[XFS] cleanup vnode use in xfs_create/mknod/mkdir 

SGI-PV: 976035
SGI-Modid: xfs-linux-melb:xfs-kern:30546a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Christoph Hellwig 2008-03-06 13:46:05 +11:00 committed by Lachlan McIlroy
parent bc4ac74a4e
commit 979ebab116
3 changed files with 22 additions and 28 deletions
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21
fs/xfs/linux-2.6/xfs_iops.c
View File

@ -273,7 +273,7 @@ xfs_vn_mknod(
dev_t rdev)
{
struct inode *inode;
bhv_vnode_t *vp = NULL, *dvp = vn_from_inode(dir);
struct xfs_inode *ip = NULL;
xfs_acl_t *default_acl = NULL;
attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS;
int error;
@ -285,11 +285,11 @@ xfs_vn_mknod(
if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
return -EINVAL;
if (test_default_acl && test_default_acl(dvp)) {
if (test_default_acl && test_default_acl(dir)) {
if (!_ACL_ALLOC(default_acl)) {
return -ENOMEM;
}
if (!_ACL_GET_DEFAULT(dvp, default_acl)) {
if (!_ACL_GET_DEFAULT(dir, default_acl)) {
_ACL_FREE(default_acl);
default_acl = NULL;
}
@ -305,10 +305,10 @@ xfs_vn_mknod(
case S_IFSOCK:
rdev = sysv_encode_dev(rdev);
case S_IFREG:
error = xfs_create(XFS_I(dir), dentry, mode, rdev, &vp, NULL);
error = xfs_create(XFS_I(dir), dentry, mode, rdev, &ip, NULL);
break;
case S_IFDIR:
error = xfs_mkdir(XFS_I(dir), dentry, mode, &vp, NULL);
error = xfs_mkdir(XFS_I(dir), dentry, mode, &ip, NULL);
break;
default:
error = EINVAL;
@ -318,19 +318,20 @@ xfs_vn_mknod(
if (unlikely(error))
goto out_free_acl;
error = xfs_init_security(vp, dir);
inode = ip->i_vnode;
error = xfs_init_security(inode, dir);
if (unlikely(error))
goto out_cleanup_inode;
if (default_acl) {
error = _ACL_INHERIT(vp, mode, default_acl);
error = _ACL_INHERIT(inode, mode, default_acl);
if (unlikely(error))
goto out_cleanup_inode;
xfs_iflags_set(XFS_I(vp), XFS_IMODIFIED);
xfs_iflags_set(ip, XFS_IMODIFIED);
_ACL_FREE(default_acl);
}
inode = vn_to_inode(vp);
if (S_ISDIR(mode))
xfs_validate_fields(inode);
@ -339,7 +340,7 @@ xfs_vn_mknod(
return -error;
out_cleanup_inode:
xfs_cleanup_inode(dir, vp, dentry, mode);
xfs_cleanup_inode(dir, inode, dentry, mode);
out_free_acl:
if (default_acl)
_ACL_FREE(default_acl);

25
fs/xfs/xfs_vnodeops.c
View File

@ -1791,14 +1791,12 @@ xfs_create(
bhv_vname_t *dentry,
mode_t mode,
xfs_dev_t rdev,
bhv_vnode_t **vpp,
xfs_inode_t **ipp,
cred_t *credp)
{
char *name = VNAME(dentry);
xfs_mount_t *mp = dp->i_mount;
bhv_vnode_t *dir_vp = XFS_ITOV(dp);
xfs_inode_t *ip;
bhv_vnode_t *vp = NULL;
xfs_trans_t *tp;
int error;
xfs_bmap_free_t free_list;
@ -1812,7 +1810,7 @@ xfs_create(
uint resblks;
int namelen;
ASSERT(!*vpp);
ASSERT(!*ipp);
xfs_itrace_entry(dp);
namelen = VNAMELEN(dentry);
@ -1911,7 +1909,7 @@ xfs_create(
* the 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;
@ -1949,7 +1947,6 @@ xfs_create(
* vnode to the caller, we bump the vnode ref count now.
*/
IHOLD(ip);
vp = XFS_ITOV(ip);
error = xfs_bmap_finish(&tp, &free_list, &committed);
if (error) {
@ -1967,16 +1964,16 @@ xfs_create(
XFS_QM_DQRELE(mp, udqp);
XFS_QM_DQRELE(mp, gdqp);
*vpp = vp;
*ipp = ip;
/* Fallthrough to std_return with error = 0 */
std_return:
if ((*vpp || (error != 0 && dm_event_sent != 0)) &&
if ((*ipp || (error != 0 && dm_event_sent != 0)) &&
DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) {
(void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE,
dp, DM_RIGHT_NULL,
*vpp ? ip : NULL,
*ipp ? ip : NULL,
DM_RIGHT_NULL, name, NULL,
mode, error, 0);
}
@ -2634,15 +2631,13 @@ xfs_mkdir(
xfs_inode_t *dp,
bhv_vname_t *dentry,
mode_t mode,
bhv_vnode_t **vpp,
xfs_inode_t **ipp,
cred_t *credp)
{
bhv_vnode_t *dir_vp = XFS_ITOV(dp);
char *dir_name = VNAME(dentry);
int dir_namelen = VNAMELEN(dentry);
xfs_mount_t *mp = dp->i_mount;
xfs_inode_t *cdp; /* inode of created dir */
bhv_vnode_t *cvp; /* vnode of created dir */
xfs_trans_t *tp;
int cancel_flags;
int error;
@ -2749,7 +2744,7 @@ xfs_mkdir(
* from here on will result in the 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;
@ -2780,11 +2775,9 @@ xfs_mkdir(
if (error)
goto error2;
cvp = XFS_ITOV(cdp);
created = B_TRUE;
*vpp = cvp;
*ipp = cdp;
IHOLD(cdp);
/*

4
fs/xfs/xfs_vnodeops.h
View File

@ -26,12 +26,12 @@ int xfs_inactive(struct xfs_inode *ip);
int xfs_lookup(struct xfs_inode *dp, bhv_vname_t *dentry,
bhv_vnode_t **vpp);
int xfs_create(struct xfs_inode *dp, bhv_vname_t *dentry, mode_t mode,
xfs_dev_t rdev, bhv_vnode_t **vpp, struct cred *credp);
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,
bhv_vname_t *dentry);
int xfs_mkdir(struct xfs_inode *dp, bhv_vname_t *dentry,
mode_t mode, bhv_vnode_t **vpp, struct cred *credp);
mode_t mode, struct xfs_inode **ipp, struct cred *credp);
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);