From 979ebab11623894528d4d37b947533ea4e8649d1 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 6 Mar 2008 13:46:05 +1100 Subject: [PATCH] [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 Signed-off-by: Lachlan McIlroy --- fs/xfs/linux-2.6/xfs_iops.c | 21 +++++++++++---------- fs/xfs/xfs_vnodeops.c | 25 +++++++++---------------- fs/xfs/xfs_vnodeops.h | 4 ++-- 3 files changed, 22 insertions(+), 28 deletions(-) diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 34670118331..62899a1ec7f 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -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); diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 7e124b55c26..a42d7fe6a5e 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -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); /* diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h index 85340bafd42..0acef123141 100644 --- a/fs/xfs/xfs_vnodeops.h +++ b/fs/xfs/xfs_vnodeops.h @@ -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); -- 2.41.1