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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/fuse
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/fuse')
-rw-r--r--fs/fuse/acl.c5
-rw-r--r--fs/fuse/fuse_i.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/fuse/acl.c b/fs/fuse/acl.c
index 52b165319be1..337cb29a8dd5 100644
--- a/fs/fuse/acl.c
+++ b/fs/fuse/acl.c
@@ -11,7 +11,7 @@
#include <linux/posix_acl.h>
#include <linux/posix_acl_xattr.h>
-struct posix_acl *fuse_get_acl(struct inode *inode, int type)
+struct posix_acl *fuse_get_acl(struct inode *inode, int type, bool rcu)
{
struct fuse_conn *fc = get_fuse_conn(inode);
int size;
@@ -19,6 +19,9 @@ struct posix_acl *fuse_get_acl(struct inode *inode, int type)
void *value = NULL;
struct posix_acl *acl;
+ if (rcu)
+ return ERR_PTR(-ECHILD);
+
if (fuse_is_bad(inode))
return ERR_PTR(-EIO);
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 07829ce78695..f4140943311a 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1216,7 +1216,7 @@ extern const struct xattr_handler *fuse_acl_xattr_handlers[];
extern const struct xattr_handler *fuse_no_acl_xattr_handlers[];
struct posix_acl;
-struct posix_acl *fuse_get_acl(struct inode *inode, int type);
+struct posix_acl *fuse_get_acl(struct inode *inode, int type, bool rcu);
int fuse_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
struct posix_acl *acl, int type);