STATIC int
xfs_vn_symlink(
struct inode *dir,
struct dentry *dentry,
const char *symname)
{
struct inode *inode;
struct xfs_inode *cip = NULL;
struct xfs_name name;
int error;
mode_t mode;
mode = S_IFLNK |
(irix_symlink_mode ? 0777 & ~current_umask() : S_IRWXUGO);
xfs_dentry_to_name(&name, dentry);
error = xfs_symlink(XFS_I(dir), &name, symname, mode, &cip);
if (unlikely(error))
goto out;
inode = VFS_I(cip);
error = xfs_init_security(inode, dir);
if (unlikely(error))
goto out_cleanup_inode;
d_instantiate(dentry, inode);
return 0;
out_cleanup_inode:
xfs_cleanup_inode(dir, inode, dentry);
out:
return -error;
}
STATIC int
xfs_vn_symlink(
struct inode *dir,
struct dentry *dentry,
const char *symname)
{
struct inode *ip;
bhv_vnode_t *cvp; /* used to lookup symlink to put in dentry */
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);
}
}
return -error;
}
STATIC int
xfs_vn_mknod(
struct inode *dir,
struct dentry *dentry,
umode_t mode,
dev_t rdev)
{
struct inode *inode;
struct xfs_inode *ip = NULL;
struct posix_acl *default_acl = NULL;
struct xfs_name name;
int error;
if (S_ISCHR(mode) || S_ISBLK(mode)) {
if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
return -EINVAL;
rdev = sysv_encode_dev(rdev);
} else {
rdev = 0;
}
if (IS_POSIXACL(dir)) {
default_acl = xfs_get_acl(dir, ACL_TYPE_DEFAULT);
if (IS_ERR(default_acl))
return PTR_ERR(default_acl);
if (!default_acl)
mode &= ~current_umask();
}
xfs_dentry_to_name(&name, dentry);
error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip);
if (unlikely(error))
goto out_free_acl;
inode = VFS_I(ip);
error = xfs_init_security(inode, dir, &dentry->d_name);
if (unlikely(error))
goto out_cleanup_inode;
if (default_acl) {
error = -xfs_inherit_acl(inode, default_acl);
default_acl = NULL;
if (unlikely(error))
goto out_cleanup_inode;
}
d_instantiate(dentry, inode);
return -error;
out_cleanup_inode:
xfs_cleanup_inode(dir, inode, dentry);
out_free_acl:
posix_acl_release(default_acl);
return -error;
}
STATIC int
xfs_vn_mknod(
struct inode *dir,
struct dentry *dentry,
umode_t mode,
dev_t rdev)
{
struct inode *inode;
struct xfs_inode *ip = NULL;
struct posix_acl *default_acl, *acl;
struct xfs_name name;
int error;
/*
* Irix uses Missed'em'V split, but doesn't want to see
* the upper 5 bits of (14bit) major.
*/
if (S_ISCHR(mode) || S_ISBLK(mode)) {
if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
return -EINVAL;
rdev = sysv_encode_dev(rdev);
} else {
rdev = 0;
}
error = posix_acl_create(dir, &mode, &default_acl, &acl);
if (error)
return error;
xfs_dentry_to_name(&name, dentry, mode);
error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip);
if (unlikely(error))
goto out_free_acl;
inode = VFS_I(ip);
error = xfs_init_security(inode, dir, &dentry->d_name);
if (unlikely(error))
goto out_cleanup_inode;
#ifdef CONFIG_XFS_POSIX_ACL
if (default_acl) {
error = xfs_set_acl(inode, default_acl, ACL_TYPE_DEFAULT);
if (error)
goto out_cleanup_inode;
}
if (acl) {
error = xfs_set_acl(inode, acl, ACL_TYPE_ACCESS);
if (error)
goto out_cleanup_inode;
}
#endif
d_instantiate(dentry, inode);
out_free_acl:
if (default_acl)
posix_acl_release(default_acl);
if (acl)
posix_acl_release(acl);
return -error;
out_cleanup_inode:
xfs_cleanup_inode(dir, inode, dentry);
goto out_free_acl;
}
STATIC int
xfs_vn_mknod(
struct inode *dir,
struct dentry *dentry,
int mode,
dev_t rdev)
{
struct inode *ip;
bhv_vnode_t *vp = NULL, *dvp = vn_from_inode(dir);
xfs_acl_t *default_acl = NULL;
attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS;
int error;
/*
* Irix uses Missed'em'V split, but doesn't want to see
* the upper 5 bits of (14bit) major.
*/
if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
return -EINVAL;
if (unlikely(test_default_acl && test_default_acl(dvp))) {
if (!_ACL_ALLOC(default_acl)) {
return -ENOMEM;
}
if (!_ACL_GET_DEFAULT(dvp, default_acl)) {
_ACL_FREE(default_acl);
default_acl = NULL;
}
}
if (IS_POSIXACL(dir) && !default_acl && xfs_has_fs_struct(current))
mode &= ~current->fs->umask;
switch (mode & S_IFMT) {
case S_IFCHR: case S_IFBLK: case S_IFIFO: case S_IFSOCK:
rdev = sysv_encode_dev(rdev);
case S_IFREG:
error = xfs_create(XFS_I(dir), dentry, mode, rdev, &vp, NULL);
break;
case S_IFDIR:
error = xfs_mkdir(XFS_I(dir), dentry, mode, &vp, NULL);
break;
default:
error = EINVAL;
break;
}
if (unlikely(!error)) {
error = xfs_init_security(vp, dir);
if (error)
xfs_cleanup_inode(dir, vp, dentry, mode);
}
if (unlikely(default_acl)) {
if (!error) {
error = _ACL_INHERIT(vp, mode, default_acl);
if (!error)
xfs_iflags_set(XFS_I(vp), XFS_IMODIFIED);
else
xfs_cleanup_inode(dir, vp, dentry, mode);
}
_ACL_FREE(default_acl);
}
if (likely(!error)) {
ASSERT(vp);
ip = vn_to_inode(vp);
if (S_ISDIR(mode))
xfs_validate_fields(ip);
d_instantiate(dentry, ip);
xfs_validate_fields(dir);
}
return -error;
}
STATIC int
xfs_vn_mknod(
struct inode *dir,
struct dentry *dentry,
int mode,
dev_t rdev)
{
struct inode *inode;
struct xfs_inode *ip = NULL;
xfs_acl_t *default_acl = NULL;
struct xfs_name name;
int (*test_default_acl)(struct inode *) = _ACL_DEFAULT_EXISTS;
int error;
/*
* Irix uses Missed'em'V split, but doesn't want to see
* the upper 5 bits of (14bit) major.
*/
if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
return -EINVAL;
if (test_default_acl && test_default_acl(dir)) {
if (!_ACL_ALLOC(default_acl)) {
return -ENOMEM;
}
if (!_ACL_GET_DEFAULT(dir, default_acl)) {
_ACL_FREE(default_acl);
default_acl = NULL;
}
}
xfs_dentry_to_name(&name, dentry);
if (IS_POSIXACL(dir) && !default_acl)
mode &= ~current->fs->umask;
switch (mode & S_IFMT) {
case S_IFCHR:
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:
rdev = sysv_encode_dev(rdev);
case S_IFREG:
error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
break;
case S_IFDIR:
error = xfs_mkdir(XFS_I(dir), &name, mode, &ip, NULL);
break;
default:
error = EINVAL;
break;
}
if (unlikely(error))
goto out_free_acl;
inode = VFS_I(ip);
error = xfs_init_security(inode, dir);
if (unlikely(error))
goto out_cleanup_inode;
if (default_acl) {
error = _ACL_INHERIT(inode, mode, default_acl);
if (unlikely(error))
goto out_cleanup_inode;
_ACL_FREE(default_acl);
}
d_instantiate(dentry, inode);
return -error;
out_cleanup_inode:
xfs_cleanup_inode(dir, inode, dentry);
out_free_acl:
if (default_acl)
_ACL_FREE(default_acl);
return -error;
}
