void (*put_link) (struct dentry *, struct nameidata *, void *);
void (*truncate) (struct inode *);
int (*permission) (struct inode *, int, unsigned int);
- int (*check_acl)(struct inode *, int);
+ int (*get_acl)(struct inode *, int);
int (*setattr) (struct dentry *, struct iattr *);
int (*getattr) (struct vfsmount *, struct dentry *, struct kstat *);
int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
truncate: yes (see below)
setattr: yes
permission: no (may not block if called in rcu-walk mode)
-check_acl: no
+get_acl: no
getattr: no
setxattr: yes
getxattr: no
--
[mandatory]
- ->permission(), generic_permission() and ->check_acl() have lost flags
+ ->permission() and generic_permission()have lost flags
argument; instead of passing IPERM_FLAG_RCU we add MAY_NOT_BLOCK into mask.
- generic_permission() has also lost the check_acl argument; if you want
-non-NULL to be used for that inode, put it into ->i_op->check_acl.
+ generic_permission() has also lost the check_acl argument; ACL checking
+has been taken to VFS and filesystems need to provide a non-NULL ->i_op->get_acl
+to read an ACL from disk.
--
[mandatory]
void (*put_link) (struct dentry *, struct nameidata *, void *);
void (*truncate) (struct inode *);
int (*permission) (struct inode *, int);
- int (*check_acl)(struct inode *, int);
+ int (*get_acl)(struct inode *, int);
int (*setattr) (struct dentry *, struct iattr *);
int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
/* Create /proc/dma/channels and /proc/dma/devices */
- gDmaDir = create_proc_entry("dma", S_IFDIR | S_IRUGO | S_IXUGO, NULL);
+ gDmaDir = proc_mkdir("dma", NULL);
if (gDmaDir == NULL) {
printk(KERN_ERR "Unable to create /proc/dma\n");
requests = NULL;
spin_unlock(&req_lock);
while (req) {
+ struct req *next = req->next;
req->err = handle(req->name, req->mode, req->dev);
complete(&req->done);
- req = req->next;
+ req = next;
}
spin_lock(&req_lock);
}
/* Controller-level - performance monitor counters */
ctrlpriv->ctl_rq_dequeued =
debugfs_create_u64("rq_dequeued",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->req_dequeued);
ctrlpriv->ctl_ob_enc_req =
debugfs_create_u64("ob_rq_encrypted",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->ob_enc_req);
ctrlpriv->ctl_ib_dec_req =
debugfs_create_u64("ib_rq_decrypted",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->ib_dec_req);
ctrlpriv->ctl_ob_enc_bytes =
debugfs_create_u64("ob_bytes_encrypted",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->ob_enc_bytes);
ctrlpriv->ctl_ob_prot_bytes =
debugfs_create_u64("ob_bytes_protected",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->ob_prot_bytes);
ctrlpriv->ctl_ib_dec_bytes =
debugfs_create_u64("ib_bytes_decrypted",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->ib_dec_bytes);
ctrlpriv->ctl_ib_valid_bytes =
debugfs_create_u64("ib_bytes_validated",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->ib_valid_bytes);
/* Controller level - global status values */
ctrlpriv->ctl_faultaddr =
debugfs_create_u64("fault_addr",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->faultaddr);
ctrlpriv->ctl_faultdetail =
debugfs_create_u32("fault_detail",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->faultdetail);
ctrlpriv->ctl_faultstatus =
debugfs_create_u32("fault_status",
- S_IFCHR | S_IRUSR | S_IRGRP | S_IROTH,
+ S_IRUSR | S_IRGRP | S_IROTH,
ctrlpriv->ctl, &perfmon->status);
/* Internal covering keys (useful in non-secure mode only) */
ctrlpriv->ctl_kek_wrap.data = &ctrlpriv->ctrl->kek[0];
ctrlpriv->ctl_kek_wrap.size = KEK_KEY_SIZE * sizeof(u32);
ctrlpriv->ctl_kek = debugfs_create_blob("kek",
- S_IFCHR | S_IRUSR |
+ S_IRUSR |
S_IRGRP | S_IROTH,
ctrlpriv->ctl,
&ctrlpriv->ctl_kek_wrap);
ctrlpriv->ctl_tkek_wrap.data = &ctrlpriv->ctrl->tkek[0];
ctrlpriv->ctl_tkek_wrap.size = KEK_KEY_SIZE * sizeof(u32);
ctrlpriv->ctl_tkek = debugfs_create_blob("tkek",
- S_IFCHR | S_IRUSR |
+ S_IRUSR |
S_IRGRP | S_IROTH,
ctrlpriv->ctl,
&ctrlpriv->ctl_tkek_wrap);
ctrlpriv->ctl_tdsk_wrap.data = &ctrlpriv->ctrl->tdsk[0];
ctrlpriv->ctl_tdsk_wrap.size = KEK_KEY_SIZE * sizeof(u32);
ctrlpriv->ctl_tdsk = debugfs_create_blob("tdsk",
- S_IFCHR | S_IRUSR |
+ S_IRUSR |
S_IRGRP | S_IROTH,
ctrlpriv->ctl,
&ctrlpriv->ctl_tdsk_wrap);
static void __exit cleanup_mtdchar(void)
{
unregister_mtd_user(&mtdchar_notifier);
- mntput(mtd_inode_mnt);
+ kern_unmount(mtd_inode_mnt);
unregister_filesystem(&mtd_inodefs_type);
__unregister_chrdev(MTD_CHAR_MAJOR, 0, 1 << MINORBITS, "mtd");
}
int err = asus_wmi_get_devstate(asus, dev_id, &value);
if (err < 0)
- return err;
+ return 0; /* can't return negative here */
}
if (dev_id == ASUS_WMI_DEVID_FAN_CTRL) {
void rtl8180_proc_module_init(void)
{
DMESG("Initializing proc filesystem");
- rtl8180_proc = create_proc_entry(RTL8180_MODULE_NAME, S_IFDIR, init_net.proc_net);
+ rtl8180_proc = proc_mkdir(RTL8180_MODULE_NAME, init_net.proc_net);
}
void rtl8180_proc_module_remove(void)
}
ieee80211_debug_level = debug;
- ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, init_net.proc_net);
+ ieee80211_proc = proc_mkdir(DRV_NAME, init_net.proc_net);
if (ieee80211_proc == NULL) {
IEEE80211_ERROR("Unable to create " DRV_NAME
" proc directory\n");
static void rtl8192_proc_module_init(void)
{
RT_TRACE(COMP_INIT, "Initializing proc filesystem\n");
- rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
+ rtl8192_proc = proc_mkdir(RTL819xE_MODULE_NAME, init_net.proc_net);
}
struct net_device *dev = priv->ieee80211->dev;
struct proc_dir_entry *e;
- priv->dir_dev = create_proc_entry(dev->name,
- S_IFDIR | S_IRUGO | S_IXUGO,
- rtl8192_proc);
+ priv->dir_dev = proc_mkdir(dev->name, rtl8192_proc);
if (!priv->dir_dev) {
RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
dev->name);
ieee80211_debug_level = debug;
- ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, init_net.proc_net);
+ ieee80211_proc = proc_mkdir(DRV_NAME, init_net.proc_net);
if (ieee80211_proc == NULL) {
IEEE80211_ERROR("Unable to create " DRV_NAME
" proc directory\n");
void rtl8192_proc_module_init(void)
{
RT_TRACE(COMP_INIT, "Initializing proc filesystem");
- rtl8192_proc=create_proc_entry(RTL819xU_MODULE_NAME, S_IFDIR, init_net.proc_net);
+ rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
}
{
struct proc_dir_entry *e;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
- priv->dir_dev = create_proc_entry(dev->name,
- S_IFDIR | S_IRUGO | S_IXUGO,
- rtl8192_proc);
+ priv->dir_dev = proc_mkdir(dev->name, rtl8192_proc);
if (!priv->dir_dev) {
RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
dev->name);
return acl;
}
-int v9fs_check_acl(struct inode *inode, int mask)
+struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type)
{
struct posix_acl *acl;
struct v9fs_session_info *v9ses;
- if (mask & MAY_NOT_BLOCK)
- return -ECHILD;
-
v9ses = v9fs_inode2v9ses(inode);
if (((v9ses->flags & V9FS_ACCESS_MASK) != V9FS_ACCESS_CLIENT) ||
((v9ses->flags & V9FS_ACL_MASK) != V9FS_POSIX_ACL)) {
* On access = client and acl = on mode get the acl
* values from the server
*/
- return 0;
+ return NULL;
}
- acl = v9fs_get_cached_acl(inode, ACL_TYPE_ACCESS);
+ return v9fs_get_cached_acl(inode, type);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- int error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
- return -EAGAIN;
}
static int v9fs_set_acl(struct dentry *dentry, int type, struct posix_acl *acl)
int v9fs_acl_chmod(struct dentry *dentry)
{
int retval = 0;
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
struct inode *inode = dentry->d_inode;
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
acl = v9fs_get_cached_acl(inode, ACL_TYPE_ACCESS);
if (acl) {
- clone = posix_acl_clone(acl, GFP_KERNEL);
+ retval = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (retval)
+ return retval;
+ retval = v9fs_set_acl(dentry, ACL_TYPE_ACCESS, acl);
posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- retval = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!retval)
- retval = v9fs_set_acl(dentry, ACL_TYPE_ACCESS, clone);
- posix_acl_release(clone);
}
return retval;
}
int v9fs_set_create_acl(struct dentry *dentry,
- struct posix_acl *dpacl, struct posix_acl *pacl)
+ struct posix_acl **dpacl, struct posix_acl **pacl)
{
- v9fs_set_acl(dentry, ACL_TYPE_DEFAULT, dpacl);
- v9fs_set_acl(dentry, ACL_TYPE_ACCESS, pacl);
- posix_acl_release(dpacl);
- posix_acl_release(pacl);
+ if (dentry) {
+ v9fs_set_acl(dentry, ACL_TYPE_DEFAULT, *dpacl);
+ v9fs_set_acl(dentry, ACL_TYPE_ACCESS, *pacl);
+ }
+ posix_acl_release(*dpacl);
+ posix_acl_release(*pacl);
+ *dpacl = *pacl = NULL;
return 0;
}
mode &= ~current_umask();
}
if (acl) {
- struct posix_acl *clone;
-
if (S_ISDIR(mode))
- *dpacl = acl;
- clone = posix_acl_clone(acl, GFP_NOFS);
- retval = -ENOMEM;
- if (!clone)
- goto cleanup;
-
- retval = posix_acl_create_masq(clone, &mode);
- if (retval < 0) {
- posix_acl_release(clone);
- goto cleanup;
- }
+ *dpacl = posix_acl_dup(acl);
+ retval = posix_acl_create(&acl, GFP_NOFS, &mode);
+ if (retval < 0)
+ return retval;
if (retval > 0)
- *pacl = clone;
+ *pacl = acl;
+ else
+ posix_acl_release(acl);
}
*modep = mode;
return 0;
-cleanup:
- posix_acl_release(acl);
- return retval;
-
}
static int v9fs_remote_get_acl(struct dentry *dentry, const char *name,
#ifdef CONFIG_9P_FS_POSIX_ACL
extern int v9fs_get_acl(struct inode *, struct p9_fid *);
-extern int v9fs_check_acl(struct inode *inode, int mask);
+extern struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type);
extern int v9fs_acl_chmod(struct dentry *);
extern int v9fs_set_create_acl(struct dentry *,
- struct posix_acl *, struct posix_acl *);
+ struct posix_acl **, struct posix_acl **);
extern int v9fs_acl_mode(struct inode *dir, mode_t *modep,
struct posix_acl **dpacl, struct posix_acl **pacl);
#else
-#define v9fs_check_acl NULL
+#define v9fs_iop_get_acl NULL
static inline int v9fs_get_acl(struct inode *inode, struct p9_fid *fid)
{
return 0;
return 0;
}
static inline int v9fs_set_create_acl(struct dentry *dentry,
- struct posix_acl *dpacl,
- struct posix_acl *pacl)
+ struct posix_acl **dpacl,
+ struct posix_acl **pacl)
{
return 0;
}
goto error;
/* Now set the ACL based on the default value */
- v9fs_set_create_acl(dentry, dacl, pacl);
+ v9fs_set_create_acl(dentry, &dacl, &pacl);
v9inode = V9FS_I(inode);
mutex_lock(&v9inode->v_mutex);
err_clunk_old_fid:
if (ofid)
p9_client_clunk(ofid);
+ v9fs_set_create_acl(NULL, &dacl, &pacl);
return err;
}
d_instantiate(dentry, inode);
}
/* Now set the ACL based on the default value */
- v9fs_set_create_acl(dentry, dacl, pacl);
+ v9fs_set_create_acl(dentry, &dacl, &pacl);
inc_nlink(dir);
v9fs_invalidate_inode_attr(dir);
error:
if (fid)
p9_client_clunk(fid);
+ v9fs_set_create_acl(NULL, &dacl, &pacl);
return err;
}
d_instantiate(dentry, inode);
}
/* Now set the ACL based on the default value */
- v9fs_set_create_acl(dentry, dacl, pacl);
+ v9fs_set_create_acl(dentry, &dacl, &pacl);
error:
if (fid)
p9_client_clunk(fid);
+ v9fs_set_create_acl(NULL, &dacl, &pacl);
return err;
}
.getxattr = generic_getxattr,
.removexattr = generic_removexattr,
.listxattr = v9fs_listxattr,
- .check_acl = v9fs_check_acl,
+ .get_acl = v9fs_iop_get_acl,
};
const struct inode_operations v9fs_file_inode_operations_dotl = {
.getxattr = generic_getxattr,
.removexattr = generic_removexattr,
.listxattr = v9fs_listxattr,
- .check_acl = v9fs_check_acl,
+ .get_acl = v9fs_iop_get_acl,
};
const struct inode_operations v9fs_symlink_inode_operations_dotl = {
return 0;
err_mntput:
- mntput(anon_inode_mnt);
+ kern_unmount(anon_inode_mnt);
err_unregister_filesystem:
unregister_filesystem(&anon_inode_fs_type);
err_exit:
#ifdef CONFIG_BTRFS_FS_POSIX_ACL
-static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
+struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
{
int size;
const char *name;
return ret;
}
-int btrfs_check_acl(struct inode *inode, int mask)
-{
- int error = -EAGAIN;
-
- if (mask & MAY_NOT_BLOCK) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- error = -ECHILD;
- } else {
- struct posix_acl *acl;
- acl = btrfs_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- }
- }
-
- return error;
-}
-
/*
* btrfs_init_acl is already generally called under fs_mutex, so the locking
* stuff has been fixed to work with that. If the locking stuff changes, we
}
if (IS_POSIXACL(dir) && acl) {
- struct posix_acl *clone;
- mode_t mode;
+ mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
ret = btrfs_set_acl(trans, inode, acl,
if (ret)
goto failed;
}
- clone = posix_acl_clone(acl, GFP_NOFS);
- ret = -ENOMEM;
- if (!clone)
- goto failed;
+ ret = posix_acl_create(&acl, GFP_NOFS, &mode);
+ if (ret < 0)
+ return ret;
- mode = inode->i_mode;
- ret = posix_acl_create_masq(clone, &mode);
- if (ret >= 0) {
- inode->i_mode = mode;
- if (ret > 0) {
- /* we need an acl */
- ret = btrfs_set_acl(trans, inode, clone,
- ACL_TYPE_ACCESS);
- }
+ inode->i_mode = mode;
+ if (ret > 0) {
+ /* we need an acl */
+ ret = btrfs_set_acl(trans, inode, acl, ACL_TYPE_ACCESS);
}
- posix_acl_release(clone);
}
failed:
posix_acl_release(acl);
int btrfs_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
int ret = 0;
if (S_ISLNK(inode->i_mode))
if (IS_ERR_OR_NULL(acl))
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
+ ret = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (ret)
+ return ret;
+ ret = btrfs_set_acl(NULL, inode, acl, ACL_TYPE_ACCESS);
posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
-
- ret = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!ret)
- ret = btrfs_set_acl(NULL, inode, clone, ACL_TYPE_ACCESS);
-
- posix_acl_release(clone);
-
return ret;
}
/* acl.c */
#ifdef CONFIG_BTRFS_FS_POSIX_ACL
-int btrfs_check_acl(struct inode *inode, int mask);
+struct posix_acl *btrfs_get_acl(struct inode *inode, int type);
#else
-#define btrfs_check_acl NULL
+#define btrfs_get_acl NULL
#endif
int btrfs_init_acl(struct btrfs_trans_handle *trans,
struct inode *inode, struct inode *dir);
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
.permission = btrfs_permission,
- .check_acl = btrfs_check_acl,
+ .get_acl = btrfs_get_acl,
};
static const struct inode_operations btrfs_dir_ro_inode_operations = {
.lookup = btrfs_lookup,
.permission = btrfs_permission,
- .check_acl = btrfs_check_acl,
+ .get_acl = btrfs_get_acl,
};
static const struct file_operations btrfs_dir_file_operations = {
.removexattr = btrfs_removexattr,
.permission = btrfs_permission,
.fiemap = btrfs_fiemap,
- .check_acl = btrfs_check_acl,
+ .get_acl = btrfs_get_acl,
};
static const struct inode_operations btrfs_special_inode_operations = {
.getattr = btrfs_getattr,
.getxattr = btrfs_getxattr,
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
- .check_acl = btrfs_check_acl,
+ .get_acl = btrfs_get_acl,
};
static const struct inode_operations btrfs_symlink_inode_operations = {
.readlink = generic_readlink,
.getxattr = btrfs_getxattr,
.listxattr = btrfs_listxattr,
.removexattr = btrfs_removexattr,
- .check_acl = btrfs_check_acl,
+ .get_acl = btrfs_get_acl,
};
const struct dentry_operations btrfs_dentry_operations = {
static int
cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd)
{
- if (nd->flags & LOOKUP_RCU)
+ if (nd && (nd->flags & LOOKUP_RCU))
return -ECHILD;
if (direntry->d_inode) {
/*
* inode->i_mutex: don't care
*/
-static struct posix_acl *
+struct posix_acl *
ext2_get_acl(struct inode *inode, int type)
{
int name_index;
return error;
}
-int
-ext2_check_acl(struct inode *inode, int mask)
-{
- struct posix_acl *acl;
-
- if (mask & MAY_NOT_BLOCK) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- return -ECHILD;
- return -EAGAIN;
- }
-
- acl = ext2_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- int error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
-
- return -EAGAIN;
-}
-
/*
* Initialize the ACLs of a new inode. Called from ext2_new_inode.
*
inode->i_mode &= ~current_umask();
}
if (test_opt(inode->i_sb, POSIX_ACL) && acl) {
- struct posix_acl *clone;
- mode_t mode;
-
+ mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
error = ext2_set_acl(inode, ACL_TYPE_DEFAULT, acl);
if (error)
goto cleanup;
}
- clone = posix_acl_clone(acl, GFP_KERNEL);
- error = -ENOMEM;
- if (!clone)
- goto cleanup;
- mode = inode->i_mode;
- error = posix_acl_create_masq(clone, &mode);
- if (error >= 0) {
- inode->i_mode = mode;
- if (error > 0) {
- /* This is an extended ACL */
- error = ext2_set_acl(inode,
- ACL_TYPE_ACCESS, clone);
- }
+ error = posix_acl_create(&acl, GFP_KERNEL, &mode);
+ if (error < 0)
+ return error;
+ inode->i_mode = mode;
+ if (error > 0) {
+ /* This is an extended ACL */
+ error = ext2_set_acl(inode, ACL_TYPE_ACCESS, acl);
}
- posix_acl_release(clone);
}
cleanup:
posix_acl_release(acl);
int
ext2_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
int error;
if (!test_opt(inode->i_sb, POSIX_ACL))
acl = ext2_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl) || !acl)
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
+ error = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (error)
+ return error;
+ error = ext2_set_acl(inode, ACL_TYPE_ACCESS, acl);
posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- error = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!error)
- error = ext2_set_acl(inode, ACL_TYPE_ACCESS, clone);
- posix_acl_release(clone);
return error;
}
#ifdef CONFIG_EXT2_FS_POSIX_ACL
/* acl.c */
-extern int ext2_check_acl (struct inode *, int);
+extern struct posix_acl *ext2_get_acl(struct inode *inode, int type);
extern int ext2_acl_chmod (struct inode *);
extern int ext2_init_acl (struct inode *, struct inode *);
#else
#include <linux/sched.h>
-#define ext2_check_acl NULL
+#define ext2_get_acl NULL
#define ext2_get_acl NULL
#define ext2_set_acl NULL
.removexattr = generic_removexattr,
#endif
.setattr = ext2_setattr,
- .check_acl = ext2_check_acl,
+ .get_acl = ext2_get_acl,
.fiemap = ext2_fiemap,
};
.removexattr = generic_removexattr,
#endif
.setattr = ext2_setattr,
- .check_acl = ext2_check_acl,
+ .get_acl = ext2_get_acl,
};
const struct inode_operations ext2_special_inode_operations = {
.removexattr = generic_removexattr,
#endif
.setattr = ext2_setattr,
- .check_acl = ext2_check_acl,
+ .get_acl = ext2_get_acl,
};
*
* inode->i_mutex: don't care
*/
-static struct posix_acl *
+struct posix_acl *
ext3_get_acl(struct inode *inode, int type)
{
int name_index;
return error;
}
-int
-ext3_check_acl(struct inode *inode, int mask)
-{
- struct posix_acl *acl;
-
- if (mask & MAY_NOT_BLOCK) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- return -ECHILD;
- return -EAGAIN;
- }
-
- acl = ext3_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- int error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
-
- return -EAGAIN;
-}
-
/*
* Initialize the ACLs of a new inode. Called from ext3_new_inode.
*
inode->i_mode &= ~current_umask();
}
if (test_opt(inode->i_sb, POSIX_ACL) && acl) {
- struct posix_acl *clone;
- mode_t mode;
+ mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
error = ext3_set_acl(handle, inode,
if (error)
goto cleanup;
}
- clone = posix_acl_clone(acl, GFP_NOFS);
- error = -ENOMEM;
- if (!clone)
- goto cleanup;
-
- mode = inode->i_mode;
- error = posix_acl_create_masq(clone, &mode);
- if (error >= 0) {
- inode->i_mode = mode;
- if (error > 0) {
- /* This is an extended ACL */
- error = ext3_set_acl(handle, inode,
- ACL_TYPE_ACCESS, clone);
- }
+ error = posix_acl_create(&acl, GFP_NOFS, &mode);
+ if (error < 0)
+ return error;
+
+ inode->i_mode = mode;
+ if (error > 0) {
+ /* This is an extended ACL */
+ error = ext3_set_acl(handle, inode, ACL_TYPE_ACCESS, acl);
}
- posix_acl_release(clone);
}
cleanup:
posix_acl_release(acl);
int
ext3_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
+ handle_t *handle;
+ int retries = 0;
int error;
if (S_ISLNK(inode->i_mode))
acl = ext3_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl) || !acl)
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
- posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- error = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!error) {
- handle_t *handle;
- int retries = 0;
-
- retry:
- handle = ext3_journal_start(inode,
- EXT3_DATA_TRANS_BLOCKS(inode->i_sb));
- if (IS_ERR(handle)) {
- error = PTR_ERR(handle);
- ext3_std_error(inode->i_sb, error);
- goto out;
- }
- error = ext3_set_acl(handle, inode, ACL_TYPE_ACCESS, clone);
- ext3_journal_stop(handle);
- if (error == -ENOSPC &&
- ext3_should_retry_alloc(inode->i_sb, &retries))
- goto retry;
+ error = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (error)
+ return error;
+retry:
+ handle = ext3_journal_start(inode,
+ EXT3_DATA_TRANS_BLOCKS(inode->i_sb));
+ if (IS_ERR(handle)) {
+ error = PTR_ERR(handle);
+ ext3_std_error(inode->i_sb, error);
+ goto out;
}
+ error = ext3_set_acl(handle, inode, ACL_TYPE_ACCESS, acl);
+ ext3_journal_stop(handle);
+ if (error == -ENOSPC &&
+ ext3_should_retry_alloc(inode->i_sb, &retries))
+ goto retry;
out:
- posix_acl_release(clone);
+ posix_acl_release(acl);
return error;
}
#ifdef CONFIG_EXT3_FS_POSIX_ACL
/* acl.c */
-extern int ext3_check_acl (struct inode *, int);
+extern struct posix_acl *ext3_get_acl(struct inode *inode, int type);
extern int ext3_acl_chmod (struct inode *);
extern int ext3_init_acl (handle_t *, struct inode *, struct inode *);
#else /* CONFIG_EXT3_FS_POSIX_ACL */
#include <linux/sched.h>
-#define ext3_check_acl NULL
+#define ext3_get_acl NULL
static inline int
ext3_acl_chmod(struct inode *inode)
.listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .check_acl = ext3_check_acl,
+ .get_acl = ext3_get_acl,
.fiemap = ext3_fiemap,
};
.listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .check_acl = ext3_check_acl,
+ .get_acl = ext3_get_acl,
};
const struct inode_operations ext3_special_inode_operations = {
.listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .check_acl = ext3_check_acl,
+ .get_acl = ext3_get_acl,
};
*
* inode->i_mutex: don't care
*/
-static struct posix_acl *
+struct posix_acl *
ext4_get_acl(struct inode *inode, int type)
{
int name_index;
return error;
}
-int
-ext4_check_acl(struct inode *inode, int mask)
-{
- struct posix_acl *acl;
-
- if (mask & MAY_NOT_BLOCK) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- return -ECHILD;
- return -EAGAIN;
- }
-
- acl = ext4_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- int error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
-
- return -EAGAIN;
-}
-
/*
* Initialize the ACLs of a new inode. Called from ext4_new_inode.
*
inode->i_mode &= ~current_umask();
}
if (test_opt(inode->i_sb, POSIX_ACL) && acl) {
- struct posix_acl *clone;
- mode_t mode;
+ mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
error = ext4_set_acl(handle, inode,
if (error)
goto cleanup;
}
- clone = posix_acl_clone(acl, GFP_NOFS);
- error = -ENOMEM;
- if (!clone)
- goto cleanup;
-
- mode = inode->i_mode;
- error = posix_acl_create_masq(clone, &mode);
- if (error >= 0) {
- inode->i_mode = mode;
- if (error > 0) {
- /* This is an extended ACL */
- error = ext4_set_acl(handle, inode,
- ACL_TYPE_ACCESS, clone);
- }
+ error = posix_acl_create(&acl, GFP_NOFS, &mode);
+ if (error < 0)
+ return error;
+
+ inode->i_mode = mode;
+ if (error > 0) {
+ /* This is an extended ACL */
+ error = ext4_set_acl(handle, inode, ACL_TYPE_ACCESS, acl);
}
- posix_acl_release(clone);
}
cleanup:
posix_acl_release(acl);
int
ext4_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
+ handle_t *handle;
+ int retries = 0;
int error;
+
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
if (!test_opt(inode->i_sb, POSIX_ACL))
acl = ext4_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl) || !acl)
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
- posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- error = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!error) {
- handle_t *handle;
- int retries = 0;
-
- retry:
- handle = ext4_journal_start(inode,
- EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
- if (IS_ERR(handle)) {
- error = PTR_ERR(handle);
- ext4_std_error(inode->i_sb, error);
- goto out;
- }
- error = ext4_set_acl(handle, inode, ACL_TYPE_ACCESS, clone);
- ext4_journal_stop(handle);
- if (error == -ENOSPC &&
- ext4_should_retry_alloc(inode->i_sb, &retries))
- goto retry;
+ error = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (error)
+ return error;
+retry:
+ handle = ext4_journal_start(inode,
+ EXT4_DATA_TRANS_BLOCKS(inode->i_sb));
+ if (IS_ERR(handle)) {
+ error = PTR_ERR(handle);
+ ext4_std_error(inode->i_sb, error);
+ goto out;
}
+ error = ext4_set_acl(handle, inode, ACL_TYPE_ACCESS, acl);
+ ext4_journal_stop(handle);
+ if (error == -ENOSPC &&
+ ext4_should_retry_alloc(inode->i_sb, &retries))
+ goto retry;
out:
- posix_acl_release(clone);
+ posix_acl_release(acl);
return error;
}
#ifdef CONFIG_EXT4_FS_POSIX_ACL
/* acl.c */
-extern int ext4_check_acl(struct inode *, int);
+struct posix_acl *ext4_get_acl(struct inode *inode, int type);
extern int ext4_acl_chmod(struct inode *);
extern int ext4_init_acl(handle_t *, struct inode *, struct inode *);
#else /* CONFIG_EXT4_FS_POSIX_ACL */
#include <linux/sched.h>
-#define ext4_check_acl NULL
+#define ext4_get_acl NULL
static inline int
ext4_acl_chmod(struct inode *inode)
.listxattr = ext4_listxattr,
.removexattr = generic_removexattr,
#endif
- .check_acl = ext4_check_acl,
+ .get_acl = ext4_get_acl,
.fiemap = ext4_fiemap,
};
.listxattr = ext4_listxattr,
.removexattr = generic_removexattr,
#endif
- .check_acl = ext4_check_acl,
+ .get_acl = ext4_get_acl,
.fiemap = ext4_fiemap,
};
.listxattr = ext4_listxattr,
.removexattr = generic_removexattr,
#endif
- .check_acl = ext4_check_acl,
+ .get_acl = ext4_get_acl,
};
if (!S_ISLNK(inode->i_mode))
acl = get_cached_acl(dir, ACL_TYPE_DEFAULT);
if (acl) {
- struct posix_acl *clone;
-
- if (S_ISDIR(inode->i_mode)) {
- clone = posix_acl_clone(acl, GFP_KERNEL);
- error = -ENOMEM;
- if (!clone)
- goto cleanup;
- set_cached_acl(inode, ACL_TYPE_DEFAULT, clone);
- posix_acl_release(clone);
- }
- clone = posix_acl_clone(acl, GFP_KERNEL);
- error = -ENOMEM;
- if (!clone)
- goto cleanup;
- error = posix_acl_create_masq(clone, &mode);
- if (error >= 0) {
- inode->i_mode = mode;
- if (error > 0)
- set_cached_acl(inode, ACL_TYPE_ACCESS, clone);
- }
- posix_acl_release(clone);
+ if (S_ISDIR(inode->i_mode))
+ set_cached_acl(inode, ACL_TYPE_DEFAULT, acl);
+ error = posix_acl_create(&acl, GFP_KERNEL, &mode);
+ if (error < 0)
+ return error;
+ inode->i_mode = mode;
+ if (error > 0)
+ set_cached_acl(inode, ACL_TYPE_ACCESS, acl);
}
error = 0;
-cleanup:
posix_acl_release(acl);
return error;
}
int
generic_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
int error = 0;
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
acl = get_cached_acl(inode, ACL_TYPE_ACCESS);
if (acl) {
- clone = posix_acl_clone(acl, GFP_KERNEL);
+ error = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (error)
+ return error;
+ set_cached_acl(inode, ACL_TYPE_ACCESS, acl);
posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- error = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!error)
- set_cached_acl(inode, ACL_TYPE_ACCESS, clone);
- posix_acl_release(clone);
}
return error;
}
-int
-generic_check_acl(struct inode *inode, int mask)
-{
- if (mask & MAY_NOT_BLOCK) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- return -ECHILD;
- } else {
- struct posix_acl *acl;
-
- acl = get_cached_acl(inode, ACL_TYPE_ACCESS);
- if (acl) {
- int error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
- }
- return -EAGAIN;
-}
-
const struct xattr_handler generic_acl_access_handler = {
.prefix = POSIX_ACL_XATTR_ACCESS,
.flags = ACL_TYPE_ACCESS,
return acl;
}
-/**
- * gfs2_check_acl - Check an ACL to see if we're allowed to do something
- * @inode: the file we want to do something to
- * @mask: what we want to do
- *
- * Returns: errno
- */
-
-int gfs2_check_acl(struct inode *inode, int mask)
+struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
{
- struct posix_acl *acl;
- int error;
-
- if (mask & MAY_NOT_BLOCK) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- return -ECHILD;
- return -EAGAIN;
- }
-
- acl = gfs2_acl_get(GFS2_I(inode), ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
-
- if (acl) {
- error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
-
- return -EAGAIN;
+ return gfs2_acl_get(GFS2_I(inode), type);
}
static int gfs2_set_mode(struct inode *inode, mode_t mode)
int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode)
{
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
mode_t mode = inode->i_mode;
int error = 0;
goto out;
}
- clone = posix_acl_clone(acl, GFP_NOFS);
- error = -ENOMEM;
- if (!clone)
- goto out;
- posix_acl_release(acl);
- acl = clone;
-
- error = posix_acl_create_masq(acl, &mode);
+ error = posix_acl_create(&acl, GFP_NOFS, &mode);
if (error < 0)
- goto out;
+ return error;
+
if (error == 0)
goto munge;
int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
char *data;
unsigned int len;
int error;
if (!acl)
return gfs2_setattr_simple(ip, attr);
- clone = posix_acl_clone(acl, GFP_NOFS);
+ error = posix_acl_chmod(&acl, GFP_NOFS, attr->ia_mode);
+ if (error)
+ return error;
+
+ len = posix_acl_to_xattr(acl, NULL, 0);
+ data = kmalloc(len, GFP_NOFS);
error = -ENOMEM;
- if (!clone)
+ if (data == NULL)
goto out;
- posix_acl_release(acl);
- acl = clone;
-
- error = posix_acl_chmod_masq(acl, attr->ia_mode);
- if (!error) {
- len = posix_acl_to_xattr(acl, NULL, 0);
- data = kmalloc(len, GFP_NOFS);
- error = -ENOMEM;
- if (data == NULL)
- goto out;
- posix_acl_to_xattr(acl, data, len);
- error = gfs2_xattr_acl_chmod(ip, attr, data);
- kfree(data);
- set_cached_acl(&ip->i_inode, ACL_TYPE_ACCESS, acl);
- }
+ posix_acl_to_xattr(acl, data, len);
+ error = gfs2_xattr_acl_chmod(ip, attr, data);
+ kfree(data);
+ set_cached_acl(&ip->i_inode, ACL_TYPE_ACCESS, acl);
out:
posix_acl_release(acl);
#define GFS2_POSIX_ACL_DEFAULT "posix_acl_default"
#define GFS2_ACL_MAX_ENTRIES 25
-extern int gfs2_check_acl(struct inode *inode, int mask);
+extern struct posix_acl *gfs2_get_acl(struct inode *inode, int type);
extern int gfs2_acl_create(struct gfs2_inode *dip, struct inode *inode);
extern int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr);
extern const struct xattr_handler gfs2_xattr_system_handler;
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
.fiemap = gfs2_fiemap,
- .check_acl = gfs2_check_acl,
+ .get_acl = gfs2_get_acl,
};
const struct inode_operations gfs2_dir_iops = {
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
.fiemap = gfs2_fiemap,
- .check_acl = gfs2_check_acl,
+ .get_acl = gfs2_get_acl,
};
const struct inode_operations gfs2_symlink_iops = {
.listxattr = gfs2_listxattr,
.removexattr = gfs2_removexattr,
.fiemap = gfs2_fiemap,
- .check_acl = gfs2_check_acl,
+ .get_acl = gfs2_get_acl,
};
static void __exit exit_hugetlbfs_fs(void)
{
kmem_cache_destroy(hugetlbfs_inode_cachep);
+ kern_unmount(hugetlbfs_vfsmount);
unregister_filesystem(&hugetlbfs_fs_type);
bdi_destroy(&hugetlbfs_backing_dev_info);
}
return ERR_PTR(-EINVAL);
}
-static struct posix_acl *jffs2_get_acl(struct inode *inode, int type)
+struct posix_acl *jffs2_get_acl(struct inode *inode, int type)
{
struct posix_acl *acl;
char *value = NULL;
return rc;
}
-int jffs2_check_acl(struct inode *inode, int mask)
+int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, mode_t *i_mode)
{
struct posix_acl *acl;
int rc;
- if (mask & MAY_NOT_BLOCK)
- return -ECHILD;
-
- acl = jffs2_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- rc = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return rc;
- }
- return -EAGAIN;
-}
-
-int jffs2_init_acl_pre(struct inode *dir_i, struct inode *inode, int *i_mode)
-{
- struct posix_acl *acl, *clone;
- int rc;
-
cache_no_acl(inode);
if (S_ISLNK(*i_mode))
if (S_ISDIR(*i_mode))
set_cached_acl(inode, ACL_TYPE_DEFAULT, acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
- if (!clone)
- return -ENOMEM;
- rc = posix_acl_create_masq(clone, (mode_t *)i_mode);
- if (rc < 0) {
- posix_acl_release(clone);
+ rc = posix_acl_create(&acl, GFP_KERNEL, i_mode);
+ if (rc < 0)
return rc;
- }
if (rc > 0)
- set_cached_acl(inode, ACL_TYPE_ACCESS, clone);
+ set_cached_acl(inode, ACL_TYPE_ACCESS, acl);
- posix_acl_release(clone);
+ posix_acl_release(acl);
}
return 0;
}
int jffs2_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
int rc;
if (S_ISLNK(inode->i_mode))
acl = jffs2_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl) || !acl)
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
+ rc = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (rc)
+ return rc;
+ rc = jffs2_set_acl(inode, ACL_TYPE_ACCESS, acl);
posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- rc = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!rc)
- rc = jffs2_set_acl(inode, ACL_TYPE_ACCESS, clone);
- posix_acl_release(clone);
return rc;
}
#ifdef CONFIG_JFFS2_FS_POSIX_ACL
-extern int jffs2_check_acl(struct inode *, int);
+struct posix_acl *jffs2_get_acl(struct inode *inode, int type);
extern int jffs2_acl_chmod(struct inode *);
-extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
+extern int jffs2_init_acl_pre(struct inode *, struct inode *, mode_t *);
extern int jffs2_init_acl_post(struct inode *);
extern const struct xattr_handler jffs2_acl_access_xattr_handler;
#else
-#define jffs2_check_acl (NULL)
+#define jffs2_get_acl (NULL)
#define jffs2_acl_chmod(inode) (0)
#define jffs2_init_acl_pre(dir_i,inode,mode) (0)
#define jffs2_init_acl_post(inode) (0)
.rmdir = jffs2_rmdir,
.mknod = jffs2_mknod,
.rename = jffs2_rename,
- .check_acl = jffs2_check_acl,
+ .get_acl = jffs2_get_acl,
.setattr = jffs2_setattr,
.setxattr = jffs2_setxattr,
.getxattr = jffs2_getxattr,
const struct inode_operations jffs2_file_inode_operations =
{
- .check_acl = jffs2_check_acl,
+ .get_acl = jffs2_get_acl,
.setattr = jffs2_setattr,
.setxattr = jffs2_setxattr,
.getxattr = jffs2_getxattr,
/* jffs2_new_inode: allocate a new inode and inocache, add it to the hash,
fill in the raw_inode while you're at it. */
-struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_inode *ri)
+struct inode *jffs2_new_inode (struct inode *dir_i, mode_t mode, struct jffs2_raw_inode *ri)
{
struct inode *inode;
struct super_block *sb = dir_i->i_sb;
struct inode *jffs2_iget(struct super_block *, unsigned long);
void jffs2_evict_inode (struct inode *);
void jffs2_dirty_inode(struct inode *inode, int flags);
-struct inode *jffs2_new_inode (struct inode *dir_i, int mode,
+struct inode *jffs2_new_inode (struct inode *dir_i, mode_t mode,
struct jffs2_raw_inode *ri);
int jffs2_statfs (struct dentry *, struct kstatfs *);
int jffs2_remount_fs (struct super_block *, int *, char *);
{
.readlink = generic_readlink,
.follow_link = jffs2_follow_link,
- .check_acl = jffs2_check_acl,
+ .get_acl = jffs2_get_acl,
.setattr = jffs2_setattr,
.setxattr = jffs2_setxattr,
.getxattr = jffs2_getxattr,
#include "jfs_xattr.h"
#include "jfs_acl.h"
-static struct posix_acl *jfs_get_acl(struct inode *inode, int type)
+struct posix_acl *jfs_get_acl(struct inode *inode, int type)
{
struct posix_acl *acl;
char *ea_name;
return rc;
}
-int jfs_check_acl(struct inode *inode, int mask)
-{
- struct posix_acl *acl;
-
- if (mask & MAY_NOT_BLOCK)
- return -ECHILD;
-
- acl = jfs_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- int error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
-
- return -EAGAIN;
-}
-
int jfs_init_acl(tid_t tid, struct inode *inode, struct inode *dir)
{
struct posix_acl *acl = NULL;
- struct posix_acl *clone;
- mode_t mode;
int rc = 0;
if (S_ISLNK(inode->i_mode))
return PTR_ERR(acl);
if (acl) {
+ mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
rc = jfs_set_acl(tid, inode, ACL_TYPE_DEFAULT, acl);
if (rc)
goto cleanup;
}
- clone = posix_acl_clone(acl, GFP_KERNEL);
- if (!clone) {
- rc = -ENOMEM;
- goto cleanup;
- }
- mode = inode->i_mode;
- rc = posix_acl_create_masq(clone, &mode);
- if (rc >= 0) {
- inode->i_mode = mode;
- if (rc > 0)
- rc = jfs_set_acl(tid, inode, ACL_TYPE_ACCESS,
- clone);
- }
- posix_acl_release(clone);
+ rc = posix_acl_create(&acl, GFP_KERNEL, &mode);
+ if (rc < 0)
+ goto cleanup; /* posix_acl_release(NULL) is no-op */
+ inode->i_mode = mode;
+ if (rc > 0)
+ rc = jfs_set_acl(tid, inode, ACL_TYPE_ACCESS, acl);
cleanup:
posix_acl_release(acl);
} else
int jfs_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
int rc;
+ tid_t tid;
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
if (IS_ERR(acl) || !acl)
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
- posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
-
- rc = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!rc) {
- tid_t tid = txBegin(inode->i_sb, 0);
- mutex_lock(&JFS_IP(inode)->commit_mutex);
- rc = jfs_set_acl(tid, inode, ACL_TYPE_ACCESS, clone);
- if (!rc)
- rc = txCommit(tid, 1, &inode, 0);
- txEnd(tid);
- mutex_unlock(&JFS_IP(inode)->commit_mutex);
- }
+ rc = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (rc)
+ return rc;
- posix_acl_release(clone);
+ tid = txBegin(inode->i_sb, 0);
+ mutex_lock(&JFS_IP(inode)->commit_mutex);
+ rc = jfs_set_acl(tid, inode, ACL_TYPE_ACCESS, acl);
+ if (!rc)
+ rc = txCommit(tid, 1, &inode, 0);
+ txEnd(tid);
+ mutex_unlock(&JFS_IP(inode)->commit_mutex);
+
+ posix_acl_release(acl);
return rc;
}
.removexattr = jfs_removexattr,
.setattr = jfs_setattr,
#ifdef CONFIG_JFS_POSIX_ACL
- .check_acl = jfs_check_acl,
+ .get_acl = jfs_get_acl,
#endif
};
#ifdef CONFIG_JFS_POSIX_ACL
-int jfs_check_acl(struct inode *, int);
+struct posix_acl *jfs_get_acl(struct inode *inode, int type);
int jfs_init_acl(tid_t, struct inode *, struct inode *);
int jfs_acl_chmod(struct inode *inode);
.removexattr = jfs_removexattr,
.setattr = jfs_setattr,
#ifdef CONFIG_JFS_POSIX_ACL
- .check_acl = jfs_check_acl,
+ .get_acl = jfs_get_acl,
#endif
};
#include <linux/fcntl.h>
#include <linux/device_cgroup.h>
#include <linux/fs_struct.h>
+#include <linux/posix_acl.h>
#include <asm/uaccess.h>
#include "internal.h"
EXPORT_SYMBOL(putname);
#endif
+static int check_acl(struct inode *inode, int mask)
+{
+ struct posix_acl *acl;
+
+ /*
+ * Under RCU walk, we cannot even do a "get_cached_acl()",
+ * because that involves locking and getting a refcount on
+ * a cached ACL.
+ *
+ * So the only case we handle during RCU walking is the
+ * case of a cached "no ACL at all", which needs no locks
+ * or refcounts.
+ */
+ if (mask & MAY_NOT_BLOCK) {
+ if (negative_cached_acl(inode, ACL_TYPE_ACCESS))
+ return -EAGAIN;
+ return -ECHILD;
+ }
+
+ acl = get_cached_acl(inode, ACL_TYPE_ACCESS);
+
+ /*
+ * A filesystem can force a ACL callback by just never filling the
+ * ACL cache. But normally you'd fill the cache either at inode
+ * instantiation time, or on the first ->get_acl call.
+ *
+ * If the filesystem doesn't have a get_acl() function at all, we'll
+ * just create the negative cache entry.
+ */
+ if (acl == ACL_NOT_CACHED) {
+ if (inode->i_op->get_acl) {
+ acl = inode->i_op->get_acl(inode, ACL_TYPE_ACCESS);
+ if (IS_ERR(acl))
+ return PTR_ERR(acl);
+ } else {
+ set_cached_acl(inode, ACL_TYPE_ACCESS, NULL);
+ return -EAGAIN;
+ }
+ }
+
+ if (acl) {
+ int error = posix_acl_permission(inode, acl, mask);
+ posix_acl_release(acl);
+ return error;
+ }
+
+ return -EAGAIN;
+}
+
/*
* This does basic POSIX ACL permission checking
*/
static int acl_permission_check(struct inode *inode, int mask)
{
- int (*check_acl)(struct inode *inode, int mask);
unsigned int mode = inode->i_mode;
mask &= MAY_READ | MAY_WRITE | MAY_EXEC | MAY_NOT_BLOCK;
if (current_fsuid() == inode->i_uid)
mode >>= 6;
else {
- check_acl = inode->i_op->check_acl;
- if (IS_POSIXACL(inode) && (mode & S_IRWXG) && check_acl) {
+ if (IS_POSIXACL(inode) && (mode & S_IRWXG)) {
int error = check_acl(inode, mask);
if (error != -EAGAIN)
return error;
struct vfsmount *kern_mount_data(struct file_system_type *type, void *data)
{
- return vfs_kern_mount(type, MS_KERNMOUNT, type->name, data);
+ struct vfsmount *mnt;
+ mnt = vfs_kern_mount(type, MS_KERNMOUNT, type->name, data);
+ if (!IS_ERR(mnt)) {
+ /*
+ * it is a longterm mount, don't release mnt until
+ * we unmount before file sys is unregistered
+ */
+ mnt_make_longterm(mnt);
+ }
+ return mnt;
}
EXPORT_SYMBOL_GPL(kern_mount_data);
+
+void kern_unmount(struct vfsmount *mnt)
+{
+ /* release long term mount so mount point can be released */
+ if (!IS_ERR_OR_NULL(mnt)) {
+ mnt_make_shortterm(mnt);
+ mntput(mnt);
+ }
+}
+EXPORT_SYMBOL(kern_unmount);
}
if (!dfacl)
return 0;
- acl = posix_acl_clone(dfacl, GFP_KERNEL);
- error = -ENOMEM;
- if (!acl)
- goto out_release_dfacl;
- error = posix_acl_create_masq(acl, &mode);
+ acl = posix_acl_dup(dfacl);
+ error = posix_acl_create(&acl, GFP_KERNEL, &mode);
if (error < 0)
- goto out_release_acl;
+ goto out_release_dfacl;
error = nfs3_proc_setacls(inode, acl, S_ISDIR(inode->i_mode) ?
dfacl : NULL);
-out_release_acl:
posix_acl_release(acl);
out_release_dfacl:
posix_acl_release(dfacl);
return ret;
}
-int ocfs2_check_acl(struct inode *inode, int mask)
+struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type)
{
struct ocfs2_super *osb;
struct buffer_head *di_bh = NULL;
struct posix_acl *acl;
int ret = -EAGAIN;
- if (mask & MAY_NOT_BLOCK)
- return -ECHILD;
-
osb = OCFS2_SB(inode->i_sb);
if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL))
- return ret;
+ return NULL;
ret = ocfs2_read_inode_block(inode, &di_bh);
- if (ret < 0) {
- mlog_errno(ret);
- return ret;
- }
+ if (ret < 0)
+ return ERR_PTR(ret);
- acl = ocfs2_get_acl_nolock(inode, ACL_TYPE_ACCESS, di_bh);
+ acl = ocfs2_get_acl_nolock(inode, type, di_bh);
brelse(di_bh);
- if (IS_ERR(acl)) {
- mlog_errno(PTR_ERR(acl));
- return PTR_ERR(acl);
- }
- if (acl) {
- ret = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return ret;
- }
-
- return -EAGAIN;
+ return acl;
}
int ocfs2_acl_chmod(struct inode *inode)
{
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
int ret;
if (S_ISLNK(inode->i_mode))
acl = ocfs2_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl) || !acl)
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
+ ret = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (ret)
+ return ret;
+ ret = ocfs2_set_acl(NULL, inode, NULL, ACL_TYPE_ACCESS,
+ acl, NULL, NULL);
posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- ret = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!ret)
- ret = ocfs2_set_acl(NULL, inode, NULL, ACL_TYPE_ACCESS,
- clone, NULL, NULL);
- posix_acl_release(clone);
return ret;
}
}
}
if ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) && acl) {
- struct posix_acl *clone;
-
if (S_ISDIR(inode->i_mode)) {
ret = ocfs2_set_acl(handle, inode, di_bh,
ACL_TYPE_DEFAULT, acl,
if (ret)
goto cleanup;
}
- clone = posix_acl_clone(acl, GFP_NOFS);
- ret = -ENOMEM;
- if (!clone)
- goto cleanup;
-
mode = inode->i_mode;
- ret = posix_acl_create_masq(clone, &mode);
- if (ret >= 0) {
- ret2 = ocfs2_acl_set_mode(inode, di_bh, handle, mode);
- if (ret2) {
- mlog_errno(ret2);
- ret = ret2;
- goto cleanup;
- }
- if (ret > 0) {
- ret = ocfs2_set_acl(handle, inode,
- di_bh, ACL_TYPE_ACCESS,
- clone, meta_ac, data_ac);
- }
+ ret = posix_acl_create(&acl, GFP_NOFS, &mode);
+ if (ret < 0)
+ return ret;
+
+ ret2 = ocfs2_acl_set_mode(inode, di_bh, handle, mode);
+ if (ret2) {
+ mlog_errno(ret2);
+ ret = ret2;
+ goto cleanup;
+ }
+ if (ret > 0) {
+ ret = ocfs2_set_acl(handle, inode,
+ di_bh, ACL_TYPE_ACCESS,
+ acl, meta_ac, data_ac);
}
- posix_acl_release(clone);
}
cleanup:
posix_acl_release(acl);
__le32 e_id;
};
-extern int ocfs2_check_acl(struct inode *, int);
+struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type);
extern int ocfs2_acl_chmod(struct inode *);
extern int ocfs2_init_acl(handle_t *, struct inode *, struct inode *,
struct buffer_head *, struct buffer_head *,
.listxattr = ocfs2_listxattr,
.removexattr = generic_removexattr,
.fiemap = ocfs2_fiemap,
- .check_acl = ocfs2_check_acl,
+ .get_acl = ocfs2_iop_get_acl,
};
const struct inode_operations ocfs2_special_file_iops = {
.setattr = ocfs2_setattr,
.getattr = ocfs2_getattr,
.permission = ocfs2_permission,
- .check_acl = ocfs2_check_acl,
+ .get_acl = ocfs2_iop_get_acl,
};
/*
.listxattr = ocfs2_listxattr,
.removexattr = generic_removexattr,
.fiemap = ocfs2_fiemap,
- .check_acl = ocfs2_check_acl,
+ .get_acl = ocfs2_iop_get_acl,
};
static void __exit exit_pipe_fs(void)
{
+ kern_unmount(pipe_mnt);
unregister_filesystem(&pipe_fs_type);
- mntput(pipe_mnt);
}
fs_initcall(init_pipe_fs);
EXPORT_SYMBOL(posix_acl_init);
EXPORT_SYMBOL(posix_acl_alloc);
-EXPORT_SYMBOL(posix_acl_clone);
EXPORT_SYMBOL(posix_acl_valid);
EXPORT_SYMBOL(posix_acl_equiv_mode);
EXPORT_SYMBOL(posix_acl_from_mode);
-EXPORT_SYMBOL(posix_acl_create_masq);
-EXPORT_SYMBOL(posix_acl_chmod_masq);
-EXPORT_SYMBOL(posix_acl_permission);
/*
* Init a fresh posix_acl
/*
* Clone an ACL.
*/
-struct posix_acl *
+static struct posix_acl *
posix_acl_clone(const struct posix_acl *acl, gfp_t flags)
{
struct posix_acl *clone = NULL;
* system calls. All permissions that are not granted by the acl are removed.
* The permissions in the acl are changed to reflect the mode_p parameter.
*/
-int
-posix_acl_create_masq(struct posix_acl *acl, mode_t *mode_p)
+static int posix_acl_create_masq(struct posix_acl *acl, mode_t *mode_p)
{
struct posix_acl_entry *pa, *pe;
struct posix_acl_entry *group_obj = NULL, *mask_obj = NULL;
/*
* Modify the ACL for the chmod syscall.
*/
-int
-posix_acl_chmod_masq(struct posix_acl *acl, mode_t mode)
+static int posix_acl_chmod_masq(struct posix_acl *acl, mode_t mode)
{
struct posix_acl_entry *group_obj = NULL, *mask_obj = NULL;
struct posix_acl_entry *pa, *pe;
return 0;
}
+
+int
+posix_acl_create(struct posix_acl **acl, gfp_t gfp, mode_t *mode_p)
+{
+ struct posix_acl *clone = posix_acl_clone(*acl, gfp);
+ int err = -ENOMEM;
+ if (clone) {
+ err = posix_acl_create_masq(clone, mode_p);
+ if (err < 0) {
+ posix_acl_release(clone);
+ clone = NULL;
+ }
+ }
+ posix_acl_release(*acl);
+ *acl = clone;
+ return err;
+}
+EXPORT_SYMBOL(posix_acl_create);
+
+int
+posix_acl_chmod(struct posix_acl **acl, gfp_t gfp, mode_t mode)
+{
+ struct posix_acl *clone = posix_acl_clone(*acl, gfp);
+ int err = -ENOMEM;
+ if (clone) {
+ err = posix_acl_chmod_masq(clone, mode);
+ if (err) {
+ posix_acl_release(clone);
+ clone = NULL;
+ }
+ }
+ posix_acl_release(*acl);
+ *acl = clone;
+ return err;
+}
+EXPORT_SYMBOL(posix_acl_chmod);
.listxattr = reiserfs_listxattr,
.removexattr = reiserfs_removexattr,
.permission = reiserfs_permission,
- .check_acl = reiserfs_check_acl,
+ .get_acl = reiserfs_get_acl,
};
reiserfs_check_path(&path_to_sd); /* init inode should be relsing */
+ /*
+ * Stat data v1 doesn't support ACLs.
+ */
+ if (get_inode_sd_version(inode) == STAT_DATA_V1)
+ cache_no_acl(inode);
}
/**
.listxattr = reiserfs_listxattr,
.removexattr = reiserfs_removexattr,
.permission = reiserfs_permission,
- .check_acl = reiserfs_check_acl,
+ .get_acl = reiserfs_get_acl,
};
/*
.listxattr = reiserfs_listxattr,
.removexattr = reiserfs_removexattr,
.permission = reiserfs_permission,
- .check_acl = reiserfs_check_acl,
+ .get_acl = reiserfs_get_acl,
};
.listxattr = reiserfs_listxattr,
.removexattr = reiserfs_removexattr,
.permission = reiserfs_permission,
- .check_acl = reiserfs_check_acl,
+ .get_acl = reiserfs_get_acl,
};
return err;
}
-int reiserfs_check_acl(struct inode *inode, int mask)
-{
- struct posix_acl *acl;
- int error = -EAGAIN; /* do regular unix permission checks by default */
-
- /*
- * Stat data v1 doesn't support ACLs.
- */
- if (get_inode_sd_version(inode) == STAT_DATA_V1)
- return -EAGAIN;
-
- if (mask & MAY_NOT_BLOCK)
- return -ECHILD;
-
- acl = reiserfs_get_acl(inode, ACL_TYPE_ACCESS);
-
- if (acl) {
- if (!IS_ERR(acl)) {
- error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- } else if (PTR_ERR(acl) != -ENODATA)
- error = PTR_ERR(acl);
- }
-
- return error;
-}
-
static int create_privroot(struct dentry *dentry)
{
int err;
return PTR_ERR(acl);
if (acl) {
- struct posix_acl *acl_copy;
mode_t mode = inode->i_mode;
- int need_acl;
/* Copy the default ACL to the default ACL of a new directory */
if (S_ISDIR(inode->i_mode)) {
/* Now we reconcile the new ACL and the mode,
potentially modifying both */
- acl_copy = posix_acl_clone(acl, GFP_NOFS);
- if (!acl_copy) {
- err = -ENOMEM;
- goto cleanup;
- }
+ err = posix_acl_create(&acl, GFP_NOFS, &mode);
+ if (err < 0)
+ return err;
- need_acl = posix_acl_create_masq(acl_copy, &mode);
- if (need_acl >= 0) {
- if (mode != inode->i_mode) {
- inode->i_mode = mode;
- }
+ inode->i_mode = mode;
- /* If we need an ACL.. */
- if (need_acl > 0) {
- err = reiserfs_set_acl(th, inode,
- ACL_TYPE_ACCESS,
- acl_copy);
- if (err)
- goto cleanup_copy;
- }
- }
- cleanup_copy:
- posix_acl_release(acl_copy);
+ /* If we need an ACL.. */
+ if (err > 0)
+ err = reiserfs_set_acl(th, inode, ACL_TYPE_ACCESS, acl);
cleanup:
posix_acl_release(acl);
} else {
int reiserfs_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct reiserfs_transaction_handle th;
+ struct posix_acl *acl;
+ size_t size;
+ int depth;
int error;
if (S_ISLNK(inode->i_mode))
return 0;
if (IS_ERR(acl))
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_NOFS);
- posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- error = posix_acl_chmod_masq(clone, inode->i_mode);
+ error = posix_acl_chmod(&acl, GFP_NOFS, inode->i_mode);
+ if (error)
+ return error;
+
+ size = reiserfs_xattr_nblocks(inode, reiserfs_acl_size(acl->a_count));
+ depth = reiserfs_write_lock_once(inode->i_sb);
+ error = journal_begin(&th, inode->i_sb, size * 2);
if (!error) {
- struct reiserfs_transaction_handle th;
- size_t size = reiserfs_xattr_nblocks(inode,
- reiserfs_acl_size(clone->a_count));
- int depth;
-
- depth = reiserfs_write_lock_once(inode->i_sb);
- error = journal_begin(&th, inode->i_sb, size * 2);
- if (!error) {
- int error2;
- error = reiserfs_set_acl(&th, inode, ACL_TYPE_ACCESS,
- clone);
- error2 = journal_end(&th, inode->i_sb, size * 2);
- if (error2)
- error = error2;
- }
- reiserfs_write_unlock_once(inode->i_sb, depth);
+ int error2;
+ error = reiserfs_set_acl(&th, inode, ACL_TYPE_ACCESS, acl);
+ error2 = journal_end(&th, inode->i_sb, size * 2);
+ if (error2)
+ error = error2;
}
- posix_acl_release(clone);
+ reiserfs_write_unlock_once(inode->i_sb, depth);
+ posix_acl_release(acl);
return error;
}
if (acl != ACL_NOT_CACHED)
return acl;
+ trace_xfs_get_acl(ip);
+
switch (type) {
case ACL_TYPE_ACCESS:
ea_name = SGI_ACL_FILE;
return error;
}
-int
-xfs_check_acl(struct inode *inode, int mask)
-{
- struct xfs_inode *ip;
- struct posix_acl *acl;
- int error = -EAGAIN;
-
- ip = XFS_I(inode);
- trace_xfs_check_acl(ip);
-
- /*
- * If there is no attribute fork no ACL exists on this inode and
- * we can skip the whole exercise.
- */
- if (!XFS_IFORK_Q(ip))
- return -EAGAIN;
-
- if (mask & MAY_NOT_BLOCK) {
- if (!negative_cached_acl(inode, ACL_TYPE_ACCESS))
- return -ECHILD;
- return -EAGAIN;
- }
-
- acl = xfs_get_acl(inode, ACL_TYPE_ACCESS);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- }
-
- return error;
-}
-
static int
xfs_set_mode(struct inode *inode, mode_t mode)
{
* No need for i_mutex because the inode is not yet exposed to the VFS.
*/
int
-xfs_inherit_acl(struct inode *inode, struct posix_acl *default_acl)
+xfs_inherit_acl(struct inode *inode, struct posix_acl *acl)
{
- struct posix_acl *clone;
- mode_t mode;
+ mode_t mode = inode->i_mode;
int error = 0, inherit = 0;
if (S_ISDIR(inode->i_mode)) {
- error = xfs_set_acl(inode, ACL_TYPE_DEFAULT, default_acl);
+ error = xfs_set_acl(inode, ACL_TYPE_DEFAULT, acl);
if (error)
- return error;
+ goto out;
}
- clone = posix_acl_clone(default_acl, GFP_KERNEL);
- if (!clone)
- return -ENOMEM;
-
- mode = inode->i_mode;
- error = posix_acl_create_masq(clone, &mode);
+ error = posix_acl_create(&acl, GFP_KERNEL, &mode);
if (error < 0)
- goto out_release_clone;
+ return error;
/*
- * If posix_acl_create_masq returns a positive value we need to
+ * If posix_acl_create returns a positive value we need to
* inherit a permission that can't be represented using the Unix
* mode bits and we actually need to set an ACL.
*/
error = xfs_set_mode(inode, mode);
if (error)
- goto out_release_clone;
+ goto out;
if (inherit)
- error = xfs_set_acl(inode, ACL_TYPE_ACCESS, clone);
+ error = xfs_set_acl(inode, ACL_TYPE_ACCESS, acl);
- out_release_clone:
- posix_acl_release(clone);
+out:
+ posix_acl_release(acl);
return error;
}
int
xfs_acl_chmod(struct inode *inode)
{
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
int error;
if (S_ISLNK(inode->i_mode))
if (IS_ERR(acl) || !acl)
return PTR_ERR(acl);
- clone = posix_acl_clone(acl, GFP_KERNEL);
- posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
-
- error = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!error)
- error = xfs_set_acl(inode, ACL_TYPE_ACCESS, clone);
+ error = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (error)
+ return error;
- posix_acl_release(clone);
+ error = xfs_set_acl(inode, ACL_TYPE_ACCESS, acl);
+ posix_acl_release(acl);
return error;
}
/* Handle various SYNC-type writes */
if ((file->f_flags & O_DSYNC) || IS_SYNC(inode)) {
loff_t end = pos + ret - 1;
+ int error;
xfs_rw_iunlock(ip, iolock);
- ret = -xfs_file_fsync(file, pos, end,
+ error = xfs_file_fsync(file, pos, end,
(file->f_flags & __O_SYNC) ? 0 : 1);
xfs_rw_ilock(ip, iolock);
+ if (error)
+ ret = error;
}
out_unlock:
if (default_acl) {
error = -xfs_inherit_acl(inode, default_acl);
+ default_acl = NULL;
if (unlikely(error))
goto out_cleanup_inode;
- posix_acl_release(default_acl);
}
}
static const struct inode_operations xfs_inode_operations = {
- .check_acl = xfs_check_acl,
+ .get_acl = xfs_get_acl,
.getattr = xfs_vn_getattr,
.setattr = xfs_vn_setattr,
.setxattr = generic_setxattr,
.rmdir = xfs_vn_unlink,
.mknod = xfs_vn_mknod,
.rename = xfs_vn_rename,
- .check_acl = xfs_check_acl,
+ .get_acl = xfs_get_acl,
.getattr = xfs_vn_getattr,
.setattr = xfs_vn_setattr,
.setxattr = generic_setxattr,
.rmdir = xfs_vn_unlink,
.mknod = xfs_vn_mknod,
.rename = xfs_vn_rename,
- .check_acl = xfs_check_acl,
+ .get_acl = xfs_get_acl,
.getattr = xfs_vn_getattr,
.setattr = xfs_vn_setattr,
.setxattr = generic_setxattr,
.readlink = generic_readlink,
.follow_link = xfs_vn_follow_link,
.put_link = xfs_vn_put_link,
- .check_acl = xfs_check_acl,
+ .get_acl = xfs_get_acl,
.getattr = xfs_vn_getattr,
.setattr = xfs_vn_setattr,
.setxattr = generic_setxattr,
break;
}
+ /* if there is no attribute fork no ACL can exist on this inode */
+ if (!XFS_IFORK_Q(ip))
+ cache_no_acl(inode);
+
xfs_iflags_clear(ip, XFS_INEW);
barrier();
DEFINE_INODE_EVENT(xfs_free_file_space);
DEFINE_INODE_EVENT(xfs_readdir);
#ifdef CONFIG_XFS_POSIX_ACL
-DEFINE_INODE_EVENT(xfs_check_acl);
+DEFINE_INODE_EVENT(xfs_get_acl);
#endif
DEFINE_INODE_EVENT(xfs_vm_bmap);
DEFINE_INODE_EVENT(xfs_file_ioctl);
#define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1)
#ifdef CONFIG_XFS_POSIX_ACL
-extern int xfs_check_acl(struct inode *inode, int mask);
extern struct posix_acl *xfs_get_acl(struct inode *inode, int type);
extern int xfs_inherit_acl(struct inode *inode, struct posix_acl *default_acl);
extern int xfs_acl_chmod(struct inode *inode);
extern const struct xattr_handler xfs_xattr_acl_access_handler;
extern const struct xattr_handler xfs_xattr_acl_default_handler;
#else
-# define xfs_check_acl NULL
# define xfs_get_acl(inode, type) NULL
# define xfs_inherit_acl(inode, default_acl) 0
# define xfs_acl_chmod(inode) 0
struct dentry * (*lookup) (struct inode *,struct dentry *, struct nameidata *);
void * (*follow_link) (struct dentry *, struct nameidata *);
int (*permission) (struct inode *, int);
- int (*check_acl)(struct inode *, int);
+ struct posix_acl * (*get_acl)(struct inode *, int);
int (*readlink) (struct dentry *, char __user *,int);
void (*put_link) (struct dentry *, struct nameidata *, void *);
extern int unregister_filesystem(struct file_system_type *);
extern struct vfsmount *kern_mount_data(struct file_system_type *, void *data);
#define kern_mount(type) kern_mount_data(type, NULL)
+extern void kern_unmount(struct vfsmount *mnt);
extern int may_umount_tree(struct vfsmount *);
extern int may_umount(struct vfsmount *);
extern long do_mount(char *, char *, char *, unsigned long, void *);
int generic_acl_init(struct inode *, struct inode *);
int generic_acl_chmod(struct inode *);
-int generic_check_acl(struct inode *inode, int mask);
#endif /* LINUX_GENERIC_ACL_H */
extern void posix_acl_init(struct posix_acl *, int);
extern struct posix_acl *posix_acl_alloc(int, gfp_t);
-extern struct posix_acl *posix_acl_clone(const struct posix_acl *, gfp_t);
extern int posix_acl_valid(const struct posix_acl *);
extern int posix_acl_permission(struct inode *, const struct posix_acl *, int);
extern struct posix_acl *posix_acl_from_mode(mode_t, gfp_t);
extern int posix_acl_equiv_mode(const struct posix_acl *, mode_t *);
-extern int posix_acl_create_masq(struct posix_acl *, mode_t *);
-extern int posix_acl_chmod_masq(struct posix_acl *, mode_t);
+extern int posix_acl_create(struct posix_acl **, gfp_t, mode_t *);
+extern int posix_acl_chmod(struct posix_acl **, gfp_t, mode_t);
extern struct posix_acl *get_posix_acl(struct inode *, int);
extern int set_posix_acl(struct inode *, int, struct posix_acl *);
#else
#define reiserfs_cache_default_acl(inode) 0
-
-static inline struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
-{
- return NULL;
-}
+#define reiserfs_get_acl NULL
static inline int reiserfs_acl_chmod(struct inode *inode)
{
#ifdef CONFIG_REISERFS_FS_XATTR
#define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir)
-int reiserfs_check_acl(struct inode *inode, int mask);
ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size);
int reiserfs_setxattr(struct dentry *dentry, const char *name,
#define reiserfs_setxattr NULL
#define reiserfs_listxattr NULL
#define reiserfs_removexattr NULL
-#define reiserfs_check_acl NULL
static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
{
.listxattr = shmem_listxattr,
.removexattr = shmem_removexattr,
#endif
-#ifdef CONFIG_TMPFS_POSIX_ACL
- .check_acl = generic_check_acl,
-#endif
-
};
static const struct inode_operations shmem_dir_inode_operations = {
#endif
#ifdef CONFIG_TMPFS_POSIX_ACL
.setattr = shmem_setattr,
- .check_acl = generic_check_acl,
#endif
};
#endif
#ifdef CONFIG_TMPFS_POSIX_ACL
.setattr = shmem_setattr,
- .check_acl = generic_check_acl,
#endif
};
void exit_sel_fs(void)
{
kobject_put(selinuxfs_kobj);
+ kern_unmount(selinuxfs_mount);
unregister_filesystem(&sel_fs_type);
}
#endif
{
struct proc_dir_entry *p;
- p = create_proc_entry("asound", S_IFDIR | S_IRUGO | S_IXUGO, NULL);
+ p = proc_mkdir("asound", NULL);
if (p == NULL)
return -ENOMEM;
snd_proc_root = p;
projects / firefly-linux-kernel-4.4.55.git / commitdiff