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ceph: add acl, noacl options for cephfs mount

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Make the 'acl' option dependent on having ACL support compiled in.  Make
the 'noacl' option work even without it so that one can always ask it to
be off and not error out on mount when it is not supported.

Signed-off-by: Guangliang Zhao <lucienchao@gmail.com>
Signed-off-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Sage Weil 2014-02-16 10:05:29 -08:00
parent c969d9bf91
commit 45195e42c7
1 changed files with 28 additions and 4 deletions
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32
fs/ceph/super.c
View file

@ -144,7 +144,11 @@ enum {
Opt_ino32,
Opt_noino32,
Opt_fscache,
Opt_nofscache
Opt_nofscache,
#ifdef CONFIG_CEPH_FS_POSIX_ACL
Opt_acl,
#endif
Opt_noacl
};
static match_table_t fsopt_tokens = {
@ -172,6 +176,10 @@ static match_table_t fsopt_tokens = {
{Opt_noino32, "noino32"},
{Opt_fscache, "fsc"},
{Opt_nofscache, "nofsc"},
#ifdef CONFIG_CEPH_FS_POSIX_ACL
{Opt_acl, "acl"},
#endif
{Opt_noacl, "noacl"},
{-1, NULL}
};
@ -271,6 +279,14 @@ static int parse_fsopt_token(char *c, void *private)
case Opt_nofscache:
fsopt->flags &= ~CEPH_MOUNT_OPT_FSCACHE;
break;
#ifdef CONFIG_CEPH_FS_POSIX_ACL
case Opt_acl:
fsopt->sb_flags |= MS_POSIXACL;
break;
#endif
case Opt_noacl:
fsopt->sb_flags &= ~MS_POSIXACL;
break;
default:
BUG_ON(token);
}
@ -438,6 +454,13 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root)
else
seq_puts(m, ",nofsc");
#ifdef CONFIG_CEPH_FS_POSIX_ACL
if (fsopt->sb_flags & MS_POSIXACL)
seq_puts(m, ",acl");
else
seq_puts(m, ",noacl");
#endif
if (fsopt->wsize)
seq_printf(m, ",wsize=%d", fsopt->wsize);
if (fsopt->rsize != CEPH_RSIZE_DEFAULT)
@ -819,9 +842,6 @@ static int ceph_set_super(struct super_block *s, void *data)
s->s_flags = fsc->mount_options->sb_flags;
s->s_maxbytes = 1ULL << 40; /* temp value until we get mdsmap */
#ifdef CONFIG_CEPH_FS_POSIX_ACL
s->s_flags |= MS_POSIXACL;
#endif
s->s_xattr = ceph_xattr_handlers;
s->s_fs_info = fsc;
@ -911,6 +931,10 @@ static struct dentry *ceph_mount(struct file_system_type *fs_type,
struct ceph_options *opt = NULL;
dout("ceph_mount\n");
#ifdef CONFIG_CEPH_FS_POSIX_ACL
flags |= MS_POSIXACL;
#endif
err = parse_mount_options(&fsopt, &opt, flags, data, dev_name, &path);
if (err < 0) {
res = ERR_PTR(err);