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Diffstat (limited to 'fs/btrfs/acl.c')
-rw-r--r--fs/btrfs/acl.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index d95eb5c8cb37..0a0d0eccee4e 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -16,13 +16,16 @@
#include "btrfs_inode.h"
#include "xattr.h"
-struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
+struct posix_acl *btrfs_get_acl(struct inode *inode, int type, bool rcu)
{
int size;
const char *name;
char *value = NULL;
struct posix_acl *acl;
+ if (rcu)
+ return ERR_PTR(-ECHILD);
+
switch (type) {
case ACL_TYPE_ACCESS:
name = XATTR_NAME_POSIX_ACL_ACCESS;
@@ -53,7 +56,8 @@ struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
}
static int __btrfs_set_acl(struct btrfs_trans_handle *trans,
- struct inode *inode, struct posix_acl *acl, int type)
+ struct user_namespace *mnt_userns,
+ struct inode *inode, struct posix_acl *acl, int type)
{
int ret, size = 0;
const char *name;
@@ -114,12 +118,12 @@ int btrfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
umode_t old_mode = inode->i_mode;
if (type == ACL_TYPE_ACCESS && acl) {
- ret = posix_acl_update_mode(&init_user_ns, inode,
+ ret = posix_acl_update_mode(mnt_userns, inode,
&inode->i_mode, &acl);
if (ret)
return ret;
}
- ret = __btrfs_set_acl(NULL, inode, acl, type);
+ ret = __btrfs_set_acl(NULL, mnt_userns, inode, acl, type);
if (ret)
inode->i_mode = old_mode;
return ret;
@@ -140,14 +144,14 @@ int btrfs_init_acl(struct btrfs_trans_handle *trans,
return ret;
if (default_acl) {
- ret = __btrfs_set_acl(trans, inode, default_acl,
+ ret = __btrfs_set_acl(trans, &init_user_ns, inode, default_acl,
ACL_TYPE_DEFAULT);
posix_acl_release(default_acl);
}
if (acl) {
if (!ret)
- ret = __btrfs_set_acl(trans, inode, acl,
+ ret = __btrfs_set_acl(trans, &init_user_ns, inode, acl,
ACL_TYPE_ACCESS);
posix_acl_release(acl);
}