FAT: set MS_NOATIME to msdos
PATCH 1/2 FAT: set MS_NOATIME to msdos
Hi,
These patches is fixes and improvements for ->adate of msdos.
Please apply.
Signature · 40 lines
OGAWA Hirofumi <[email protected]> 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 <[email protected]> Signed-off-by: OGAWA Hirofumi <[email protected]> --- 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; } _