Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2a9807c0d39066236640aa34ca8de168e690632f
Commit: 2a9807c0d39066236640aa34ca8de168e690632f
Parent: 252e211e90ce56bf005cb533ad5a297c18c19407
Author: Evgeniy Dushistov <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 23:26:32 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Oct 17 08:42:49 2007 -0700
ufs: implement show_options
An implementation of show_options method for UFS.
Signed-off-by: Evgeniy Dushistov <[EMAIL PROTECTED]>
Cc: "Randy.Dunlap" <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
fs/ufs/super.c | 43 +++++++++++++++++++++++++++++++++++++++----
1 files changed, 39 insertions(+), 4 deletions(-)
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 87f6b51..21987d2 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -88,6 +88,8 @@
#include <linux/buffer_head.h>
#include <linux/vfs.h>
#include <linux/log2.h>
+#include <linux/mount.h>
+#include <linux/seq_file.h>
#include "swab.h"
#include "util.h"
@@ -286,10 +288,21 @@ void ufs_warning (struct super_block * sb, const char *
function,
}
enum {
- Opt_type_old, Opt_type_sunx86, Opt_type_sun, Opt_type_sunos,
Opt_type_44bsd,
- Opt_type_ufs2, Opt_type_hp, Opt_type_nextstepcd, Opt_type_nextstep,
- Opt_type_openstep, Opt_onerror_panic, Opt_onerror_lock,
- Opt_onerror_umount, Opt_onerror_repair, Opt_err
+ Opt_type_old = UFS_MOUNT_UFSTYPE_OLD,
+ Opt_type_sunx86 = UFS_MOUNT_UFSTYPE_SUNx86,
+ Opt_type_sun = UFS_MOUNT_UFSTYPE_SUN,
+ Opt_type_sunos = UFS_MOUNT_UFSTYPE_SUNOS,
+ Opt_type_44bsd = UFS_MOUNT_UFSTYPE_44BSD,
+ Opt_type_ufs2 = UFS_MOUNT_UFSTYPE_UFS2,
+ Opt_type_hp = UFS_MOUNT_UFSTYPE_HP,
+ Opt_type_nextstepcd = UFS_MOUNT_UFSTYPE_NEXTSTEP_CD,
+ Opt_type_nextstep = UFS_MOUNT_UFSTYPE_NEXTSTEP,
+ Opt_type_openstep = UFS_MOUNT_UFSTYPE_OPENSTEP,
+ Opt_onerror_panic = UFS_MOUNT_ONERROR_PANIC,
+ Opt_onerror_lock = UFS_MOUNT_ONERROR_LOCK,
+ Opt_onerror_umount = UFS_MOUNT_ONERROR_UMOUNT,
+ Opt_onerror_repair = UFS_MOUNT_ONERROR_REPAIR,
+ Opt_err
};
static match_table_t tokens = {
@@ -304,6 +317,7 @@ static match_table_t tokens = {
{Opt_type_nextstepcd, "ufstype=nextstep-cd"},
{Opt_type_nextstep, "ufstype=nextstep"},
{Opt_type_openstep, "ufstype=openstep"},
+/*end of possible ufs types */
{Opt_onerror_panic, "onerror=panic"},
{Opt_onerror_lock, "onerror=lock"},
{Opt_onerror_umount, "onerror=umount"},
@@ -1206,6 +1220,26 @@ static int ufs_remount (struct super_block *sb, int
*mount_flags, char *data)
return 0;
}
+static int ufs_show_options(struct seq_file *seq, struct vfsmount *vfs)
+{
+ struct ufs_sb_info *sbi = UFS_SB(vfs->mnt_sb);
+ unsigned mval = sbi->s_mount_opt & UFS_MOUNT_UFSTYPE;
+ struct match_token *tp = tokens;
+
+ while (tp->token != Opt_onerror_panic && tp->token != mval)
+ ++tp;
+ BUG_ON(tp->token == Opt_onerror_panic);
+ seq_printf(seq, ",%s", tp->pattern);
+
+ mval = sbi->s_mount_opt & UFS_MOUNT_ONERROR;
+ while (tp->token != Opt_err && tp->token != mval)
+ ++tp;
+ BUG_ON(tp->token == Opt_err);
+ seq_printf(seq, ",%s", tp->pattern);
+
+ return 0;
+}
+
static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
@@ -1298,6 +1332,7 @@ static const struct super_operations ufs_super_ops = {
.write_super = ufs_write_super,
.statfs = ufs_statfs,
.remount_fs = ufs_remount,
+ .show_options = ufs_show_options,
#ifdef CONFIG_QUOTA
.quota_read = ufs_quota_read,
.quota_write = ufs_quota_write,
-
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