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authorMiklos Szeredi <mszeredi@redhat.com>2021-08-18 23:08:24 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2021-08-18 23:08:24 +0300
commit0cad6246621b5887d5b33fea84219d2a71f2f99a (patch)
tree2b2a42252442e71dec8043c6e20f9d8eb86925b9 /fs/jffs2
parent52d5a0c6bd8a89f460243ed937856354f8f253a3 (diff)
downloadlinux-0cad6246621b5887d5b33fea84219d2a71f2f99a.tar.xz
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/jffs2')
-rw-r--r--fs/jffs2/acl.c5
-rw-r--r--fs/jffs2/acl.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index 55a79df70d24..e945e3484788 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -173,12 +173,15 @@ static void *jffs2_acl_to_medium(const struct posix_acl *acl, size_t *size)
return ERR_PTR(-EINVAL);
}
-struct posix_acl *jffs2_get_acl(struct inode *inode, int type)
+struct posix_acl *jffs2_get_acl(struct inode *inode, int type, bool rcu)
{
struct posix_acl *acl;
char *value = NULL;
int rc, xprefix;
+ if (rcu)
+ return ERR_PTR(-ECHILD);
+
switch (type) {
case ACL_TYPE_ACCESS:
xprefix = JFFS2_XPREFIX_ACL_ACCESS;
diff --git a/fs/jffs2/acl.h b/fs/jffs2/acl.h
index 62c50da9d493..9d9fb7cf093e 100644
--- a/fs/jffs2/acl.h
+++ b/fs/jffs2/acl.h
@@ -27,7 +27,7 @@ struct jffs2_acl_header {
#ifdef CONFIG_JFFS2_FS_POSIX_ACL
-struct posix_acl *jffs2_get_acl(struct inode *inode, int type);
+struct posix_acl *jffs2_get_acl(struct inode *inode, int type, bool rcu);
int jffs2_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
struct posix_acl *acl, int type);
extern int jffs2_init_acl_pre(struct inode *, struct inode *, umode_t *);