From 0cad6246621b5887d5b33fea84219d2a71f2f99a Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Wed, 18 Aug 2021 22:08:24 +0200 Subject: 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 --- fs/ocfs2/acl.c | 5 ++++- fs/ocfs2/acl.h | 2 +- 2 files changed, 5 insertions(+), 2 deletions(-) (limited to 'fs/ocfs2') diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index 5c72a7e6d6c5..23a72a423955 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -289,7 +289,7 @@ unlock: return status; } -struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type) +struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type, bool rcu) { struct ocfs2_super *osb; struct buffer_head *di_bh = NULL; @@ -297,6 +297,9 @@ struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type) int had_lock; struct ocfs2_lock_holder oh; + if (rcu) + return ERR_PTR(-ECHILD); + osb = OCFS2_SB(inode->i_sb); if (!(osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL)) return NULL; diff --git a/fs/ocfs2/acl.h b/fs/ocfs2/acl.h index f59d8d0a61fa..95a57c888ab6 100644 --- a/fs/ocfs2/acl.h +++ b/fs/ocfs2/acl.h @@ -16,7 +16,7 @@ struct ocfs2_acl_entry { __le32 e_id; }; -struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type); +struct posix_acl *ocfs2_iop_get_acl(struct inode *inode, int type, bool rcu); int ocfs2_iop_set_acl(struct user_namespace *mnt_userns, struct inode *inode, struct posix_acl *acl, int type); extern int ocfs2_acl_chmod(struct inode *, struct buffer_head *); -- cgit v1.2.3