[PATCH] hfs: show_options support

This adds support for show_options.  It also fixes some namespace polution in
the hfsplus driver.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Roman Zippel
2005-09-06 15:18:48 -07:00
committed by Linus Torvalds
parent a5e3985fa0
commit 717dd80e99
4 changed files with 55 additions and 6 deletions

View File

@@ -15,8 +15,10 @@
#include <linux/config.h>
#include <linux/module.h>
#include <linux/blkdev.h>
#include <linux/mount.h>
#include <linux/init.h>
#include <linux/parser.h>
#include <linux/seq_file.h>
#include <linux/vfs.h>
#include "hfs_fs.h"
@@ -111,6 +113,28 @@ static int hfs_remount(struct super_block *sb, int *flags, char *data)
return 0;
}
static int hfs_show_options(struct seq_file *seq, struct vfsmount *mnt)
{
struct hfs_sb_info *sbi = HFS_SB(mnt->mnt_sb);
if (sbi->s_creator != cpu_to_be32(0x3f3f3f3f))
seq_printf(seq, ",creator=%.4s", (char *)&sbi->s_creator);
if (sbi->s_type != cpu_to_be32(0x3f3f3f3f))
seq_printf(seq, ",type=%.4s", (char *)&sbi->s_type);
seq_printf(seq, ",uid=%u,gid=%u", sbi->s_uid, sbi->s_gid);
if (sbi->s_file_umask != 0133)
seq_printf(seq, ",file_umask=%o", sbi->s_file_umask);
if (sbi->s_dir_umask != 0022)
seq_printf(seq, ",dir_umask=%o", sbi->s_dir_umask);
if (sbi->part >= 0)
seq_printf(seq, ",part=%u", sbi->part);
if (sbi->session >= 0)
seq_printf(seq, ",session=%u", sbi->session);
if (sbi->s_quiet)
seq_printf(seq, ",quiet");
return 0;
}
static struct inode *hfs_alloc_inode(struct super_block *sb)
{
struct hfs_inode_info *i;
@@ -133,6 +157,7 @@ static struct super_operations hfs_super_operations = {
.write_super = hfs_write_super,
.statfs = hfs_statfs,
.remount_fs = hfs_remount,
.show_options = hfs_show_options,
};
enum {