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| author | Miklos Szeredi <mszeredi@redhat.com> | 2021-08-18 22:08:24 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2021-08-18 22:08:24 +0200 |
| commit | 0cad6246621b5887d5b33fea84219d2a71f2f99a (patch) | |
| tree | 2b2a42252442e71dec8043c6e20f9d8eb86925b9 /fs/nfs | |
| parent | 52d5a0c6bd8a89f460243ed937856354f8f253a3 (diff) | |
| download | linux-0cad6246621b5887d5b33fea84219d2a71f2f99a.tar.bz2 | |
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/nfs')
| -rw-r--r-- | fs/nfs/nfs3_fs.h | 2 | ||||
| -rw-r--r-- | fs/nfs/nfs3acl.c | 5 |
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/nfs/nfs3_fs.h b/fs/nfs/nfs3_fs.h index c8a192802dda..03a4e679fd99 100644 --- a/fs/nfs/nfs3_fs.h +++ b/fs/nfs/nfs3_fs.h @@ -11,7 +11,7 @@ * nfs3acl.c */ #ifdef CONFIG_NFS_V3_ACL -extern struct posix_acl *nfs3_get_acl(struct inode *inode, int type); +extern struct posix_acl *nfs3_get_acl(struct inode *inode, int type, bool rcu); extern int nfs3_set_acl(struct user_namespace *mnt_userns, struct inode *inode, struct posix_acl *acl, int type); extern int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl, diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c index 9ec560aa4a50..93de0b58647a 100644 --- a/fs/nfs/nfs3acl.c +++ b/fs/nfs/nfs3acl.c @@ -44,7 +44,7 @@ static void nfs3_abort_get_acl(struct posix_acl **p) cmpxchg(p, sentinel, ACL_NOT_CACHED); } -struct posix_acl *nfs3_get_acl(struct inode *inode, int type) +struct posix_acl *nfs3_get_acl(struct inode *inode, int type, bool rcu) { struct nfs_server *server = NFS_SERVER(inode); struct page *pages[NFSACL_MAXPAGES] = { }; @@ -62,6 +62,9 @@ struct posix_acl *nfs3_get_acl(struct inode *inode, int type) }; int status, count; + if (rcu) + return ERR_PTR(-ECHILD); + if (!nfs_server_capable(inode, NFS_CAP_ACLS)) return ERR_PTR(-EOPNOTSUPP); |