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authorMiklos Szeredi <mszeredi@redhat.com>2021-08-18 22:08:24 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2021-08-18 22:08:24 +0200
commit0cad6246621b5887d5b33fea84219d2a71f2f99a (patch)
tree2b2a42252442e71dec8043c6e20f9d8eb86925b9 /fs/reiserfs
parent52d5a0c6bd8a89f460243ed937856354f8f253a3 (diff)
vfs: add rcu argument to ->get_acl() callback
Add a rcu argument to the ->get_acl() callback to allow get_cached_acl_rcu() to call the ->get_acl() method in the next patch. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/reiserfs')
-rw-r--r--fs/reiserfs/acl.h2
-rw-r--r--fs/reiserfs/xattr_acl.c5
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/reiserfs/acl.h b/fs/reiserfs/acl.h
index fd58618da360..d9052b8ce6dd 100644
--- a/fs/reiserfs/acl.h
+++ b/fs/reiserfs/acl.h
@@ -48,7 +48,7 @@ static inline int reiserfs_acl_count(size_t size)
}
#ifdef CONFIG_REISERFS_FS_POSIX_ACL
-struct posix_acl *reiserfs_get_acl(struct inode *inode, int type);
+struct posix_acl *reiserfs_get_acl(struct inode *inode, int type, bool rcu);
int reiserfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
struct posix_acl *acl, int type);
int reiserfs_acl_chmod(struct inode *inode);
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index a9547144a099..d6fcddc46f5b 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -190,13 +190,16 @@ fail:
* inode->i_mutex: down
* BKL held [before 2.5.x]
*/
-struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
+struct posix_acl *reiserfs_get_acl(struct inode *inode, int type, bool rcu)
{
char *name, *value;
struct posix_acl *acl;
int size;
int retval;
+ if (rcu)
+ return ERR_PTR(-ECHILD);
+
switch (type) {
case ACL_TYPE_ACCESS:
name = XATTR_NAME_POSIX_ACL_ACCESS;