Messages in this thread Patch in this message | | | Date | Tue, 20 Jan 2009 01:32:47 +0800 | From | Coly Li <> | Subject | [PATCH 6/20] fs/fat: return f_fsid for statfs(2) |
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This patch makes fat return f_fsid info for statfs(2).
Signed-off-by: Coly Li <coly.li@suse.de> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> --- fs/fat/inode.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 6b74d09..c093b7f 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -523,7 +523,9 @@ static int fat_remount(struct super_block *sb, int *flags, char *data)
static int fat_statfs(struct dentry *dentry, struct kstatfs *buf) { - struct msdos_sb_info *sbi = MSDOS_SB(dentry->d_sb); + struct super_block *sb = dentry->d_sb; + struct msdos_sb_info *sbi = MSDOS_SB(sb); + u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
/* If the count of free cluster is still unknown, counts it here. */ if (sbi->free_clusters == -1 || !sbi->free_clus_valid) { @@ -537,6 +539,8 @@ static int fat_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_blocks = sbi->max_cluster - FAT_START_ENT; buf->f_bfree = sbi->free_clusters; buf->f_bavail = sbi->free_clusters; + buf->f_fsid.val[0] = (u32)id; + buf->f_fsid.val[1] = (u32)(id >> 32); buf->f_namelen = sbi->options.isvfat ? 260 : 12;
return 0; -- Coly Li SuSE Labs
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