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    Subject[PATCH 1/20] fs/adfs: return f_fsid for statfs(2)
    This patch makes adfs return f_fsid info for statfs(2), and does a little variable renaming in
    adfs_statfs().

    Signed-off-by: Coly Li <coly.li@suse.de>
    Cc: Andrew Morton <akpm@linux-foundation.org>
    ---
    fs/adfs/super.c | 16 ++++++++++------
    1 files changed, 10 insertions(+), 6 deletions(-)

    diff --git a/fs/adfs/super.c b/fs/adfs/super.c
    index 7f83a46..dd9becc 100644
    --- a/fs/adfs/super.c
    +++ b/fs/adfs/super.c
    @@ -219,16 +219,20 @@ static int adfs_remount(struct super_block *sb, int *flags, char *data)

    static int adfs_statfs(struct dentry *dentry, struct kstatfs *buf)
    {
    - struct adfs_sb_info *asb = ADFS_SB(dentry->d_sb);
    + struct super_block *sb = dentry->d_sb;
    + struct adfs_sb_info *sbi = ADFS_SB(sb);
    + u64 id = huge_encode_dev(sb->s_bdev->bd_dev);

    buf->f_type = ADFS_SUPER_MAGIC;
    - buf->f_namelen = asb->s_namelen;
    - buf->f_bsize = dentry->d_sb->s_blocksize;
    - buf->f_blocks = asb->s_size;
    - buf->f_files = asb->s_ids_per_zone * asb->s_map_size;
    + buf->f_namelen = sbi->s_namelen;
    + buf->f_bsize = sb->s_blocksize;
    + buf->f_blocks = sbi->s_size;
    + buf->f_files = sbi->s_ids_per_zone * sbi->s_map_size;
    buf->f_bavail =
    - buf->f_bfree = adfs_map_free(dentry->d_sb);
    + buf->f_bfree = adfs_map_free(sb);
    buf->f_ffree = (long)(buf->f_bfree * buf->f_files) / (long)buf->f_blocks;
    + buf->f_fsid.val[0] = (u32)id;
    + buf->f_fsid.val[1] = (u32)(id >> 32);

    return 0;
    }
    --
    Coly Li
    SuSE Labs





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