[PATCH 1/2] FAT: set MS_NOATIME to msdos

[PATCH 1/2] FAT: set MS_NOATIME to msdos

[OGAWA Hirofumi]

Hi,

These patches is fixes and improvements for ->adate of msdos.

Please apply.
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>



MSDOS doesn't have atime, so this sets MS_NOATIME to msdos in order
that we don't get unnecessary writes.

Signed-off-by: Werner Almesberger <werner@almesberger.net>
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
---

 fs/fat/inode.c   |    3 ++-
 fs/msdos/namei.c |    1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff -puN fs/fat/inode.c~fat_msdos-use-noatime fs/fat/inode.c
--- linux-2.6.11/fs/fat/inode.c~fat_msdos-use-noatime	2005-03-16 11:11:45.000000000 +0900
+++ linux-2.6.11-hirofumi/fs/fat/inode.c	2005-03-16 11:13:30.000000000 +0900
@@ -431,7 +431,8 @@ static void __exit fat_destroy_inodecach
 
 static int fat_remount(struct super_block *sb, int *flags, char *data)
 {
-	*flags |= MS_NODIRATIME;
+	struct msdos_sb_info *sbi = MSDOS_SB(sb);
+	*flags |= MS_NODIRATIME | (sbi->options.isvfat ? 0 : MS_NOATIME);
 	return 0;
 }
 
diff -puN fs/msdos/namei.c~fat_msdos-use-noatime fs/msdos/namei.c
--- linux-2.6.11/fs/msdos/namei.c~fat_msdos-use-noatime	2005-03-16 11:12:11.000000000 +0900
+++ linux-2.6.11-hirofumi/fs/msdos/namei.c	2005-03-16 11:13:38.000000000 +0900
@@ -671,6 +671,7 @@ static int msdos_fill_super(struct super
 	if (res)
 		return res;
 
+	sb->s_flags |= MS_NOATIME;
 	sb->s_root->d_op = &msdos_dentry_operations;
 	return 0;
 }
_