diff options
| author | Miklos Szeredi <mszeredi@redhat.com> | 2021-08-18 23:08:24 +0300 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2021-08-18 23:08:24 +0300 |
| commit | 0cad6246621b5887d5b33fea84219d2a71f2f99a (patch) | |
| tree | 2b2a42252442e71dec8043c6e20f9d8eb86925b9 /fs/xfs | |
| parent | 52d5a0c6bd8a89f460243ed937856354f8f253a3 (diff) | |
| download | linux-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/xfs')
| -rw-r--r-- | fs/xfs/xfs_acl.c | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_acl.h | 4 |
2 files changed, 6 insertions, 3 deletions
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index d02bef24b32b..9e8ac9fa9666 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -125,7 +125,7 @@ xfs_acl_to_disk(struct xfs_acl *aclp, const struct posix_acl *acl) } struct posix_acl * -xfs_get_acl(struct inode *inode, int type) +xfs_get_acl(struct inode *inode, int type, bool rcu) { struct xfs_inode *ip = XFS_I(inode); struct xfs_mount *mp = ip->i_mount; @@ -137,6 +137,9 @@ xfs_get_acl(struct inode *inode, int type) }; int error; + if (rcu) + return ERR_PTR(-ECHILD); + trace_xfs_get_acl(ip); switch (type) { diff --git a/fs/xfs/xfs_acl.h b/fs/xfs/xfs_acl.h index 7bdb3a4ed798..bb6abdcb265d 100644 --- a/fs/xfs/xfs_acl.h +++ b/fs/xfs/xfs_acl.h @@ -10,13 +10,13 @@ struct inode; struct posix_acl; #ifdef CONFIG_XFS_POSIX_ACL -extern struct posix_acl *xfs_get_acl(struct inode *inode, int type); +extern struct posix_acl *xfs_get_acl(struct inode *inode, int type, bool rcu); extern int xfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode, struct posix_acl *acl, int type); extern int __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type); void xfs_forget_acl(struct inode *inode, const char *name); #else -static inline struct posix_acl *xfs_get_acl(struct inode *inode, int type) +static inline struct posix_acl *xfs_get_acl(struct inode *inode, int type, bool rcu) { return NULL; } |