VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Roman Zippel <zippel@linux-m68k.org> 2005-09-06 15:18:48 -0700 committer: Linus Torvalds <torvalds@g5.osdl.org> 2005-09-07 16:57:50 -0700 commit: 717dd80e999cdc84fb611decec5c5054d37c40d2 parent: a5e3985fa014029eb6795664c704953720cc7f7d
Commit Summary:
[PATCH] hfs: show_options support
Diffstat:
1 file changed, 24 insertions, 0 deletions
diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index ab783f6afa3b..fd78414ee7e4 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -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 {