On 09/11/2015 05:09 PM, Sheng Yong wrote:
This patch introduces `acl' and `noacl' mount options for ACL.
Signed-off-by: Sheng Yong <shengyong1@xxxxxxxxxx>
---
fs/ubifs/super.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 9547a278..52baad1 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -441,6 +441,9 @@ static int ubifs_show_options(struct seq_file *s, struct dentry *root)
ubifs_compr_name(c->mount_opts.compr_type));
}
+ if (c->vfs_sb->s_flags & MS_POSIXACL)
+ seq_printf(s, ",acl");
+
return 0;
}
@@ -926,6 +929,8 @@ enum {
Opt_chk_data_crc,
Opt_no_chk_data_crc,
Opt_override_compr,
+ Opt_acl,
+ Opt_noacl,
Opt_err,
};
@@ -937,6 +942,8 @@ static const match_table_t tokens = {
{Opt_chk_data_crc, "chk_data_crc"},
{Opt_no_chk_data_crc, "no_chk_data_crc"},
{Opt_override_compr, "compr=%s"},
+ {Opt_acl, "acl"},
+ {Opt_noacl, "noacl"},
{Opt_err, NULL},
};
@@ -1037,6 +1044,14 @@ static int ubifs_parse_options(struct ubifs_info *c, char *options,
c->default_compr = c->mount_opts.compr_type;
break;
}
+#ifdef CONFIG_UBIFS_FS_POSIX_ACL
+ case Opt_acl:
+ c->vfs_sb->s_flags |= MS_POSIXACL;
+ break;
I think we can error out if CONFIG_UBIFS_FS_POSIX_ACL=n && Opt_acl is
specified. I think you missed my comment again, I mentioned it in your
V2 patch.
Yang
+ case Opt_noacl:
+ c->vfs_sb->s_flags &= ~MS_POSIXACL;
+ break;
+#endif
default:
{
unsigned long flag;
--
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