#include "xfs_itable.h"
#include "xfs_rw.h"
#include "xfs_acl.h"
-#include "xfs_cap.h"
-#include "xfs_mac.h"
#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.
vp = XFS_ITOV_NULL(ip);
if (vp) {
- struct inode *inode = &vp->v_inode;
- ip->i_d.di_atime.t_sec = (__int32_t)inode->i_atime.tv_sec;
- ip->i_d.di_atime.t_nsec = (__int32_t)inode->i_atime.tv_nsec;
+ ip->i_d.di_atime.t_sec = (__int32_t)vp->i_atime.tv_sec;
+ ip->i_d.di_atime.t_nsec = (__int32_t)vp->i_atime.tv_nsec;
}
}
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;
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);
+ xfs_iflags_set(XFS_I(ip), XFS_IMODIFIED);
kfree(name);
kfree(value);
*
* XXX(hch): nfsd is broken, better fix it instead.
*/
-STATIC inline int
+STATIC_INLINE int
xfs_has_fs_struct(struct task_struct *task)
{
return (task->fs != init_task.fs);
}
-STATIC inline void
+STATIC void
xfs_cleanup_inode(
- bhv_vnode_t *dvp,
+ struct inode *dir,
bhv_vnode_t *vp,
struct dentry *dentry,
int mode)
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);
}
dev_t rdev)
{
struct inode *ip;
- bhv_vattr_t vattr = { 0 };
bhv_vnode_t *vp = NULL, *dvp = vn_from_inode(dir);
xfs_acl_t *default_acl = NULL;
attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS;
if (IS_POSIXACL(dir) && !default_acl && xfs_has_fs_struct(current))
mode &= ~current->fs->umask;
- vattr.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
- vattr.va_mode = mode;
-
switch (mode & S_IFMT) {
case S_IFCHR: case S_IFBLK: case S_IFIFO: case S_IFSOCK:
- vattr.va_rdev = sysv_encode_dev(rdev);
- vattr.va_mask |= XFS_AT_RDEV;
- /*FALLTHROUGH*/
+ rdev = sysv_encode_dev(rdev);
case S_IFREG:
- error = bhv_vop_create(dvp, dentry, &vattr, &vp, NULL);
+ error = xfs_create(XFS_I(dir), dentry, mode, rdev, &vp, NULL);
break;
case S_IFDIR:
- error = bhv_vop_mkdir(dvp, dentry, &vattr, &vp, NULL);
+ error = xfs_mkdir(XFS_I(dir), dentry, mode, &vp, NULL);
break;
default:
error = EINVAL;
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)) {
if (!error) {
- error = _ACL_INHERIT(vp, &vattr, default_acl);
+ error = _ACL_INHERIT(vp, mode, default_acl);
if (!error)
- VMODIFY(vp);
+ xfs_iflags_set(XFS_I(vp), XFS_IMODIFIED);
else
- xfs_cleanup_inode(dvp, vp, dentry, mode);
+ xfs_cleanup_inode(dir, vp, dentry, mode);
}
_ACL_FREE(default_acl);
}
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);
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);
+ xfs_iflags_set(XFS_I(dir), XFS_IMODIFIED);
xfs_validate_fields(ip, &vattr);
d_instantiate(dentry, ip);
}
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);
const char *symname)
{
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;
+ mode_t mode;
- dvp = vn_from_inode(dir);
cvp = NULL;
- va.va_mode = S_IFLNK |
+ 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, (char *)symname, mode,
+ &cvp, NULL);
if (likely(!error && cvp)) {
error = xfs_init_security(cvp, dir);
if (likely(!error)) {
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;
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);
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);
struct dentry *dentry,
struct nameidata *nd)
{
- bhv_vnode_t *vp;
- uio_t *uio;
- iovec_t iov;
- int error;
char *link;
-
- ASSERT(dentry);
- ASSERT(nd);
+ int error = -ENOMEM;
link = kmalloc(MAXPATHLEN+1, GFP_KERNEL);
- if (!link) {
- nd_set_link(nd, ERR_PTR(-ENOMEM));
- return NULL;
- }
-
- uio = kmalloc(sizeof(uio_t), GFP_KERNEL);
- if (!uio) {
- kfree(link);
- nd_set_link(nd, ERR_PTR(-ENOMEM));
- return NULL;
- }
-
- vp = vn_from_inode(dentry->d_inode);
-
- iov.iov_base = link;
- iov.iov_len = MAXPATHLEN;
+ if (!link)
+ goto out_err;
- uio->uio_iov = &iov;
- uio->uio_offset = 0;
- uio->uio_segflg = UIO_SYSSPACE;
- uio->uio_resid = MAXPATHLEN;
- uio->uio_iovcnt = 1;
-
- error = bhv_vop_readlink(vp, uio, 0, NULL);
- if (unlikely(error)) {
- kfree(link);
- link = ERR_PTR(-error);
- } else {
- link[MAXPATHLEN - uio->uio_resid] = '\0';
- }
- kfree(uio);
+ error = -xfs_readlink(XFS_I(dentry->d_inode), link);
+ if (unlikely(error))
+ goto out_kfree;
nd_set_link(nd, link);
return NULL;
+
+ out_kfree:
+ kfree(link);
+ out_err:
+ nd_set_link(nd, ERR_PTR(error));
+ return NULL;
}
STATIC void
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
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;
{
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;
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;
}
}
-struct inode_operations xfs_inode_operations = {
+const struct inode_operations xfs_inode_operations = {
.permission = xfs_vn_permission,
.truncate = xfs_vn_truncate,
.getattr = xfs_vn_getattr,
.removexattr = xfs_vn_removexattr,
};
-struct inode_operations xfs_dir_inode_operations = {
+const struct inode_operations xfs_dir_inode_operations = {
.create = xfs_vn_create,
.lookup = xfs_vn_lookup,
.link = xfs_vn_link,
.removexattr = xfs_vn_removexattr,
};
-struct inode_operations xfs_symlink_inode_operations = {
+const struct inode_operations xfs_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = xfs_vn_follow_link,
.put_link = xfs_vn_put_link,