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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/erofs
parentovl: fix BUG_ON() in may_delete() when called from ovl_cleanup() (diff)
downloadlinux-0cad6246621b5887d5b33fea84219d2a71f2f99a.tar.xz
linux-0cad6246621b5887d5b33fea84219d2a71f2f99a.zip
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/erofs')
-rw-r--r--fs/erofs/xattr.c5
-rw-r--r--fs/erofs/xattr.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index 8dd54b420a1d..778f2c52295d 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -673,12 +673,15 @@ ssize_t erofs_listxattr(struct dentry *dentry,
}
#ifdef CONFIG_EROFS_FS_POSIX_ACL
-struct posix_acl *erofs_get_acl(struct inode *inode, int type)
+struct posix_acl *erofs_get_acl(struct inode *inode, int type, bool rcu)
{
struct posix_acl *acl;
int prefix, rc;
char *value = NULL;
+ if (rcu)
+ return ERR_PTR(-ECHILD);
+
switch (type) {
case ACL_TYPE_ACCESS:
prefix = EROFS_XATTR_INDEX_POSIX_ACL_ACCESS;
diff --git a/fs/erofs/xattr.h b/fs/erofs/xattr.h
index 366dcb400525..94090c74b3f7 100644
--- a/fs/erofs/xattr.h
+++ b/fs/erofs/xattr.h
@@ -80,7 +80,7 @@ static inline int erofs_getxattr(struct inode *inode, int index,
#endif /* !CONFIG_EROFS_FS_XATTR */
#ifdef CONFIG_EROFS_FS_POSIX_ACL
-struct posix_acl *erofs_get_acl(struct inode *inode, int type);
+struct posix_acl *erofs_get_acl(struct inode *inode, int type, bool rcu);
#else
#define erofs_get_acl (NULL)
#endif