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btrfs: sysfs: fix format string for some discard stats

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The type of discard_bitmap_bytes and discard_extent_bytes is u64 so the
format should be %llu, though the actual values would hardly ever
overflow to negative values.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2021-05-07 20:00:14 +02:00
parent 5963ffcaf3
commit 8c5ec99561
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/sysfs.c
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@ -429,7 +429,7 @@ static ssize_t btrfs_discard_bitmap_bytes_show(struct kobject *kobj,
{
struct btrfs_fs_info *fs_info = discard_to_fs_info(kobj);
return scnprintf(buf, PAGE_SIZE, "%lld\n",
return scnprintf(buf, PAGE_SIZE, "%llu\n",
fs_info->discard_ctl.discard_bitmap_bytes);
}
BTRFS_ATTR(discard, discard_bitmap_bytes, btrfs_discard_bitmap_bytes_show);
@ -451,7 +451,7 @@ static ssize_t btrfs_discard_extent_bytes_show(struct kobject *kobj,
{
struct btrfs_fs_info *fs_info = discard_to_fs_info(kobj);
return scnprintf(buf, PAGE_SIZE, "%lld\n",
return scnprintf(buf, PAGE_SIZE, "%llu\n",
fs_info->discard_ctl.discard_extent_bytes);
}
BTRFS_ATTR(discard, discard_extent_bytes, btrfs_discard_extent_bytes_show);