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-rw-r--r--fs/hfs/super.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index ab783f6afa3b..c5074aeafcae 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -15,8 +15,11 @@
#include <linux/config.h>
#include <linux/module.h>
#include <linux/blkdev.h>
+#include <linux/mount.h>
#include <linux/init.h>
+#include <linux/nls.h>
#include <linux/parser.h>
+#include <linux/seq_file.h>
#include <linux/vfs.h>
#include "hfs_fs.h"
@@ -111,6 +114,32 @@ 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->nls_disk)
+ seq_printf(seq, ",codepage=%s", sbi->nls_disk->charset);
+ if (sbi->nls_io)
+ seq_printf(seq, ",iocharset=%s", sbi->nls_io->charset);
+ 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;
@@ -133,11 +162,13 @@ 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 {
opt_uid, opt_gid, opt_umask, opt_file_umask, opt_dir_umask,
opt_part, opt_session, opt_type, opt_creator, opt_quiet,
+ opt_codepage, opt_iocharset,
opt_err
};
@@ -152,6 +183,8 @@ static match_table_t tokens = {
{ opt_type, "type=%s" },
{ opt_creator, "creator=%s" },
{ opt_quiet, "quiet" },
+ { opt_codepage, "codepage=%s" },
+ { opt_iocharset, "iocharset=%s" },
{ opt_err, NULL }
};
@@ -257,11 +290,46 @@ static int parse_options(char *options, struct hfs_sb_info *hsb)
case opt_quiet:
hsb->s_quiet = 1;
break;
+ case opt_codepage:
+ if (hsb->nls_disk) {
+ printk("HFS+-fs: unable to change codepage\n");
+ return 0;
+ }
+ p = match_strdup(&args[0]);
+ hsb->nls_disk = load_nls(p);
+ if (!hsb->nls_disk) {
+ printk("HFS+-fs: unable to load codepage \"%s\"\n", p);
+ kfree(p);
+ return 0;
+ }
+ kfree(p);
+ break;
+ case opt_iocharset:
+ if (hsb->nls_io) {
+ printk("HFS: unable to change iocharset\n");
+ return 0;
+ }
+ p = match_strdup(&args[0]);
+ hsb->nls_io = load_nls(p);
+ if (!hsb->nls_io) {
+ printk("HFS: unable to load iocharset \"%s\"\n", p);
+ kfree(p);
+ return 0;
+ }
+ kfree(p);
+ break;
default:
return 0;
}
}
+ if (hsb->nls_disk && !hsb->nls_io) {
+ hsb->nls_io = load_nls_default();
+ if (!hsb->nls_io) {
+ printk("HFS: unable to load default iocharset\n");
+ return 0;
+ }
+ }
hsb->s_dir_umask &= 0777;
hsb->s_file_umask &= 0577;