Hi Jaegeuk,
On 2018/3/29 4:30, Jaegeuk Kim wrote:
> Hi Junling,
>
> On Wed, Mar 28, 2018 at 2:04 AM, Junling Zheng <[email protected]
> <mailto:[email protected]>> wrote:
>
> Use 512 bytes as the sector size criterion while specifying the
> amount of sectors passed to mkfs.
>
> Signed-off-by: Junling Zheng <[email protected]
> <mailto:[email protected]>>
> ---
> lib/libf2fs.c | 11 ++++++++---
> mkfs/f2fs_format_main.c | 2 +-
> 2 files changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/lib/libf2fs.c b/lib/libf2fs.c
> index 5f11796..5fdcdde 100644
> --- a/lib/libf2fs.c
> +++ b/lib/libf2fs.c
> @@ -1002,9 +1002,14 @@ int f2fs_get_device_info(void)
> if (get_device_info(i))
> return -1;
>
> - if (c.wanted_total_sectors < c.total_sectors) {
> - MSG(0, "Info: total device sectors = %"PRIu64" (in %u
> bytes)\n",
> - c.total_sectors, c.sector_size);
> + if (c.wanted_total_sectors > c.total_sectors)
> + MSG(0, "Warning: total sectors = %"PRIu64", "
> + "wanted sectors = %"PRIu64", in %u bytes\n",
> + c.total_sectors, c.wanted_total_sectors,
> c.sector_size);
>
>
> This seems not warning message. IMO, it'd be enough to inform just
> wanted size over device size?
This warning will not break mkfs, just a warning to inform user, and mkfs will
use c.total_sectors
to format device :)
>
>
> + else {
> + MSG(0, "Info: total sectors = %"PRIu64", "
> + "wanted sectors = %"PRIu64", in %u bytes\n",
> + c.total_sectors, c.wanted_total_sectors,
> c.sector_size);
> c.total_sectors = c.wanted_total_sectors;
> c.devices[0].total_sectors = c.total_sectors;
> }
> diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c
> index f23fd84..71fd7c2 100644
> --- a/mkfs/f2fs_format_main.c
> +++ b/mkfs/f2fs_format_main.c
> @@ -57,7 +57,7 @@ static void mkfs_usage()
> MSG(0, " -S sparse mode\n");
> MSG(0, " -t 0: nodiscard, 1: discard [default:1]\n");
> MSG(0, " -z # of sections per zone [default:1]\n");
> - MSG(0, "sectors: number of sectors. [default: determined by
> device size]\n");
> + MSG(0, "sectors: number of sectors (in 512 bytes). [default:
> determined by device size]\n");
>
>
> We also need to specify this in man page.
OK, I'll add it.
>
>
> exit(1);
> }
>
> --
> 2.16.2
>
>
>
>
> --
> Jaegeuk Kim
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