orangefs: Implement show_options

Implement the show_options superblock op for orangefs as part of a bid to
rid of s_options and generic_show_options() to make it easier to implement
a context-based mount where the mount options can be passed individually
over a file descriptor.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Mike Marshall <hubcap@omnibond.com>
cc: pvfs2-developers@beowulf-underground.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells 2017-07-05 16:25:45 +01:00 committed by Al Viro
parent c4fac91004
commit 4dfdb71307

View File

@ -35,6 +35,19 @@ static const match_table_t tokens = {
uint64_t orangefs_features;
static int orangefs_show_options(struct seq_file *m, struct dentry *root)
{
struct orangefs_sb_info_s *orangefs_sb = ORANGEFS_SB(root->d_sb);
if (root->d_sb->s_flags & MS_POSIXACL)
seq_puts(m, ",acl");
if (orangefs_sb->flags & ORANGEFS_OPT_INTR)
seq_puts(m, ",intr");
if (orangefs_sb->flags & ORANGEFS_OPT_LOCAL_LOCK)
seq_puts(m, ",local_lock");
return 0;
}
static int parse_mount_options(struct super_block *sb, char *options,
int silent)
{
@ -305,7 +318,7 @@ static const struct super_operations orangefs_s_ops = {
.drop_inode = generic_delete_inode,
.statfs = orangefs_statfs,
.remount_fs = orangefs_remount_fs,
.show_options = generic_show_options,
.show_options = orangefs_show_options,
};
static struct dentry *orangefs_fh_to_dentry(struct super_block *sb,