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[XFS] call common xfs vnode-level helpers directly and remove vnode operations

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SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29493a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig
2007-08-29 10:58:01 +10:00
committed by Tim Shimmin
parent 993386c19a
commit 739bfb2a7d
27 changed files with 188 additions and 866 deletions
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77
fs/xfs/linux-2.6/xfs_iops.c
View File

@@ -46,28 +46,13 @@
#include "xfs_attr.h"
#include "xfs_buf_item.h"
#include "xfs_utils.h"
#include "xfs_vnodeops.h"
#include <linux/capability.h>
#include <linux/xattr.h>
#include <linux/namei.h>
#include <linux/security.h>
/*
* Get a XFS inode from a given vnode.
*/
xfs_inode_t *
xfs_vtoi(
bhv_vnode_t *vp)
{
bhv_desc_t *bdp;
bdp = bhv_lookup_range(VN_BHV_HEAD(vp),
VNODE_POSITION_XFS, VNODE_POSITION_XFS);
if (unlikely(bdp == NULL))
return NULL;
return XFS_BHVTOI(bdp);
}
/*
* Bring the atime in the XFS inode uptodate.
* Used before logging the inode to disk or when the Linux inode goes away.
@@ -199,7 +184,7 @@ xfs_validate_fields(
bhv_vattr_t *vattr)
{
vattr->va_mask = XFS_AT_NLINK|XFS_AT_SIZE|XFS_AT_NBLOCKS;
if (!bhv_vop_getattr(vn_from_inode(ip), vattr, ATTR_LAZY, NULL)) {
if (!xfs_getattr(XFS_I(ip), vattr, ATTR_LAZY)) {
ip->i_nlink = vattr->va_nlink;
ip->i_blocks = vattr->va_nblocks;
@@ -233,7 +218,8 @@ xfs_init_security(
return -error;
}
error = bhv_vop_attr_set(vp, name, value, length, ATTR_SECURE, NULL);
error = xfs_attr_set(XFS_I(ip), name, value,
length, ATTR_SECURE);
if (!error)
VMODIFY(vp);
@@ -256,7 +242,7 @@ xfs_has_fs_struct(struct task_struct *task)
STATIC void
xfs_cleanup_inode(
bhv_vnode_t *dvp,
struct inode *dir,
bhv_vnode_t *vp,
struct dentry *dentry,
int mode)
@@ -272,9 +258,9 @@ xfs_cleanup_inode(
teardown.d_name = dentry->d_name;
if (S_ISDIR(mode))
bhv_vop_rmdir(dvp, &teardown, NULL);
xfs_rmdir(XFS_I(dir), &teardown);
else
bhv_vop_remove(dvp, &teardown, NULL);
xfs_remove(XFS_I(dir), &teardown);
VN_RELE(vp);
}
@@ -321,10 +307,10 @@ xfs_vn_mknod(
vattr.va_mask |= XFS_AT_RDEV;
/*FALLTHROUGH*/
case S_IFREG:
error = bhv_vop_create(dvp, dentry, &vattr, &vp, NULL);
error = xfs_create(XFS_I(dir), dentry, &vattr, &vp, NULL);
break;
case S_IFDIR:
error = bhv_vop_mkdir(dvp, dentry, &vattr, &vp, NULL);
error = xfs_mkdir(XFS_I(dir), dentry, &vattr, &vp, NULL);
break;
default:
error = EINVAL;
@@ -334,7 +320,7 @@ xfs_vn_mknod(
if (unlikely(!error)) {
error = xfs_init_security(vp, dir);
if (error)
xfs_cleanup_inode(dvp, vp, dentry, mode);
xfs_cleanup_inode(dir, vp, dentry, mode);
}
if (unlikely(default_acl)) {
@@ -343,7 +329,7 @@ xfs_vn_mknod(
if (!error)
VMODIFY(vp);
else
xfs_cleanup_inode(dvp, vp, dentry, mode);
xfs_cleanup_inode(dir, vp, dentry, mode);
}
_ACL_FREE(default_acl);
}
@@ -387,13 +373,13 @@ xfs_vn_lookup(
struct dentry *dentry,
struct nameidata *nd)
{
bhv_vnode_t *vp = vn_from_inode(dir), *cvp;
bhv_vnode_t *cvp;
int error;
if (dentry->d_name.len >= MAXNAMELEN)
return ERR_PTR(-ENAMETOOLONG);
error = bhv_vop_lookup(vp, dentry, &cvp, 0, NULL, NULL);
error = xfs_lookup(XFS_I(dir), dentry, &cvp);
if (unlikely(error)) {
if (unlikely(error != ENOENT))
return ERR_PTR(-error);
@@ -411,21 +397,19 @@ xfs_vn_link(
struct dentry *dentry)
{
struct inode *ip; /* inode of guy being linked to */
bhv_vnode_t *tdvp; /* target directory for new name/link */
bhv_vnode_t *vp; /* vp of name being linked */
bhv_vattr_t vattr;
int error;
ip = old_dentry->d_inode; /* inode being linked to */
tdvp = vn_from_inode(dir);
vp = vn_from_inode(ip);
VN_HOLD(vp);
error = bhv_vop_link(tdvp, vp, dentry, NULL);
error = xfs_link(XFS_I(dir), vp, dentry);
if (unlikely(error)) {
VN_RELE(vp);
} else {
VMODIFY(tdvp);
VMODIFY(vn_from_inode(dir));
xfs_validate_fields(ip, &vattr);
d_instantiate(dentry, ip);
}
@@ -438,14 +422,12 @@ xfs_vn_unlink(
struct dentry *dentry)
{
struct inode *inode;
bhv_vnode_t *dvp; /* directory containing name to remove */
bhv_vattr_t vattr;
int error;
inode = dentry->d_inode;
dvp = vn_from_inode(dir);
error = bhv_vop_remove(dvp, dentry, NULL);
error = xfs_remove(XFS_I(dir), dentry);
if (likely(!error)) {
xfs_validate_fields(dir, &vattr); /* size needs update */
xfs_validate_fields(inode, &vattr);
@@ -461,18 +443,17 @@ xfs_vn_symlink(
{
struct inode *ip;
bhv_vattr_t va = { 0 };
bhv_vnode_t *dvp; /* directory containing name of symlink */
bhv_vnode_t *cvp; /* used to lookup symlink to put in dentry */
int error;
dvp = vn_from_inode(dir);
cvp = NULL;
va.va_mode = S_IFLNK |
(irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO);
va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
error = bhv_vop_symlink(dvp, dentry, &va, (char *)symname, &cvp, NULL);
error = xfs_symlink(XFS_I(dir), dentry, &va,
(char *)symname, &cvp, NULL);
if (likely(!error && cvp)) {
error = xfs_init_security(cvp, dir);
if (likely(!error)) {
@@ -481,7 +462,7 @@ xfs_vn_symlink(
xfs_validate_fields(dir, &va);
xfs_validate_fields(ip, &va);
} else {
xfs_cleanup_inode(dvp, cvp, dentry, 0);
xfs_cleanup_inode(dir, cvp, dentry, 0);
}
}
return -error;
@@ -493,11 +474,10 @@ xfs_vn_rmdir(
struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
bhv_vnode_t *dvp = vn_from_inode(dir);
bhv_vattr_t vattr;
int error;
error = bhv_vop_rmdir(dvp, dentry, NULL);
error = xfs_rmdir(XFS_I(dir), dentry);
if (likely(!error)) {
xfs_validate_fields(inode, &vattr);
xfs_validate_fields(dir, &vattr);
@@ -513,15 +493,13 @@ xfs_vn_rename(
struct dentry *ndentry)
{
struct inode *new_inode = ndentry->d_inode;
bhv_vnode_t *fvp; /* from directory */
bhv_vnode_t *tvp; /* target directory */
bhv_vattr_t vattr;
int error;
fvp = vn_from_inode(odir);
tvp = vn_from_inode(ndir);
error = bhv_vop_rename(fvp, odentry, tvp, ndentry, NULL);
error = xfs_rename(XFS_I(odir), odentry, tvp, ndentry);
if (likely(!error)) {
if (new_inode)
xfs_validate_fields(new_inode, &vattr);
@@ -542,7 +520,6 @@ xfs_vn_follow_link(
struct dentry *dentry,
struct nameidata *nd)
{
bhv_vnode_t *vp = vn_from_inode(dentry->d_inode);
char *link;
int error = -ENOMEM;
@@ -550,7 +527,7 @@ xfs_vn_follow_link(
if (!link)
goto out_err;
error = -bhv_vop_readlink(vp, link);
error = -xfs_readlink(XFS_I(dentry->d_inode), link);
if (unlikely(error))
goto out_kfree;
@@ -583,7 +560,7 @@ xfs_vn_permission(
int mode,
struct nameidata *nd)
{
return -bhv_vop_access(vn_from_inode(inode), mode << 6, NULL);
return -xfs_access(XFS_I(inode), mode << 6, NULL);
}
#else
#define xfs_vn_permission NULL
@@ -596,11 +573,10 @@ xfs_vn_getattr(
struct kstat *stat)
{
struct inode *inode = dentry->d_inode;
bhv_vnode_t *vp = vn_from_inode(inode);
bhv_vattr_t vattr = { .va_mask = XFS_AT_STAT };
int error;
error = bhv_vop_getattr(vp, &vattr, ATTR_LAZY, NULL);
error = xfs_getattr(XFS_I(inode), &vattr, ATTR_LAZY);
if (likely(!error)) {
stat->size = i_size_read(inode);
stat->dev = inode->i_sb->s_dev;
@@ -628,7 +604,6 @@ xfs_vn_setattr(
{
struct inode *inode = dentry->d_inode;
unsigned int ia_valid = attr->ia_valid;
bhv_vnode_t *vp = vn_from_inode(inode);
bhv_vattr_t vattr = { 0 };
int flags = 0;
int error;
@@ -672,9 +647,9 @@ xfs_vn_setattr(
flags |= ATTR_NONBLOCK;
#endif
error = bhv_vop_setattr(vp, &vattr, flags, NULL);
error = xfs_setattr(XFS_I(inode), &vattr, flags, NULL);
if (likely(!error))
__vn_revalidate(vp, &vattr);
__vn_revalidate(vn_from_inode(inode), &vattr);
return -error;
}