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[PATCH] hfs: show_options support

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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
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26
fs/hfsplus/options.c
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@@ -13,6 +13,8 @@
#include <linux/sched.h>
#include <linux/parser.h>
#include <linux/nls.h>
#include <linux/mount.h>
#include <linux/seq_file.h>
#include "hfsplus_fs.h"
enum {
@@ -38,7 +40,7 @@ static match_table_t tokens = {
};
/* Initialize an options object to reasonable defaults */
void fill_defaults(struct hfsplus_sb_info *opts)
void hfsplus_fill_defaults(struct hfsplus_sb_info *opts)
{
if (!opts)
return;
@@ -63,7 +65,7 @@ static inline int match_fourchar(substring_t *arg, u32 *result)
/* Parse options from mount. Returns 0 on failure */
/* input is the options passed to mount() as a string */
int parse_options(char *input, struct hfsplus_sb_info *sbi)
int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi)
{
char *p;
substring_t args[MAX_OPT_ARGS];
@@ -160,3 +162,23 @@ done:
return 1;
}
int hfsplus_show_options(struct seq_file *seq, struct vfsmount *mnt)
{
struct hfsplus_sb_info *sbi = &HFSPLUS_SB(mnt->mnt_sb);
if (sbi->creator != HFSPLUS_DEF_CR_TYPE)
seq_printf(seq, ",creator=%.4s", (char *)&sbi->creator);
if (sbi->type != HFSPLUS_DEF_CR_TYPE)
seq_printf(seq, ",type=%.4s", (char *)&sbi->type);
seq_printf(seq, ",umask=%o,uid=%u,gid=%u", sbi->umask, sbi->uid, sbi->gid);
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)
seq_printf(seq, ",nls=%s", sbi->nls->charset);
if (sbi->flags & HFSPLUS_SB_NODECOMPOSE)
seq_printf(seq, ",nodecompose");
return 0;
}