(2010/12/08 19:01), liubo wrote:
> While compiling btrfs, I got belows:
>
> CC [M] fs/btrfs/inode.o
> fs/btrfs/inode.c: In function ‘btrfs_end_dio_bio’:
> fs/btrfs/inode.c:5720: warning: format ‘%lu’ expects type ‘long unsigned
> int’, but argument 4 has type ‘sector_t’
> LD [M] fs/btrfs/btrfs.o
> Building modules, stage 2.
> MODPOST 1 modules
> LD [M] fs/btrfs/btrfs.ko
>
> This fixes the compile warning.
>
> Signed-off-by: Liu Bo <liubo2...@cn.fujitsu.com>
> ---
> fs/btrfs/inode.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
> index 0f34cae..eff5aef 100644
> --- a/fs/btrfs/inode.c
> +++ b/fs/btrfs/inode.c
> @@ -5713,8 +5713,8 @@ static void btrfs_end_dio_bio(struct bio *bio, int err)
> if (err) {
> printk(KERN_ERR "btrfs direct IO failed ino %lu rw %lu "
> "disk_bytenr %lu len %u err no %d\n",
> - dip->inode->i_ino, bio->bi_rw, bio->bi_sector,
> - bio->bi_size, err);
> + dip->inode->i_ino, bio->bi_rw,
> + (unsigned long)bio->bi_sector, bio->bi_size, err);
sector_t is defined by include/linux/types.h as follows.
#ifdef CONFIG_LBDAF
typedef u64 sector_t;
typedef u64 blkcnt_t;
#else
typedef unsigned long sector_t;
typedef unsigned long blkcnt_t;
#endif
Therefore, I think that you should change the code as follows.
printk(KERN_ERR "btrfs direct IO failed ino %lu rw %lu "
"disk_bytenr %llu len %u err no %d\n",
dip->inode->i_ino, bio->bi_rw,
(u64)bio->bi_sector, bio->bi_size, err);
> dip->errors = 1;
>
> /*
Regards,
Itoh
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