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Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/acl.c5
-rw-r--r--fs/gfs2/acl.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 9165d70ead07..734d1f05d823 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -57,13 +57,16 @@ static struct posix_acl *__gfs2_get_acl(struct inode *inode, int type)
return acl;
}
-struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
+struct posix_acl *gfs2_get_acl(struct inode *inode, int type, bool rcu)
{
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
bool need_unlock = false;
struct posix_acl *acl;
+ if (rcu)
+ return ERR_PTR(-ECHILD);
+
if (!gfs2_glock_is_locked_by_me(ip->i_gl)) {
int ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED,
LM_FLAG_ANY, &gh);
diff --git a/fs/gfs2/acl.h b/fs/gfs2/acl.h
index eccc6a43326c..cd180ca7c959 100644
--- a/fs/gfs2/acl.h
+++ b/fs/gfs2/acl.h
@@ -11,7 +11,7 @@
#define GFS2_ACL_MAX_ENTRIES(sdp) ((300 << (sdp)->sd_sb.sb_bsize_shift) >> 12)
-extern struct posix_acl *gfs2_get_acl(struct inode *inode, int type);
+extern struct posix_acl *gfs2_get_acl(struct inode *inode, int type, bool rcu);
extern int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
extern int gfs2_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
struct posix_acl *acl, int type);