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btrfs: sysfs: fix format string for some discard stats

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[ Upstream commit 8c5ec995616f1202ab92e195fd75d6f60d86f85c ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
David Sterba
2021-05-07 20:00:14 +02:00
committed by Greg Kroah-Hartman
parent 8d05e30c97
commit 703b494a68
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/sysfs.c
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@@ -382,7 +382,7 @@ static ssize_t btrfs_discard_bitmap_bytes_show(struct kobject *kobj,
{ {
struct btrfs_fs_info *fs_info = discard_to_fs_info(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); fs_info->discard_ctl.discard_bitmap_bytes);
} }
BTRFS_ATTR(discard, discard_bitmap_bytes, btrfs_discard_bitmap_bytes_show); BTRFS_ATTR(discard, discard_bitmap_bytes, btrfs_discard_bitmap_bytes_show);
@@ -404,7 +404,7 @@ static ssize_t btrfs_discard_extent_bytes_show(struct kobject *kobj,
{ {
struct btrfs_fs_info *fs_info = discard_to_fs_info(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); fs_info->discard_ctl.discard_extent_bytes);
} }
BTRFS_ATTR(discard, discard_extent_bytes, btrfs_discard_extent_bytes_show); BTRFS_ATTR(discard, discard_extent_bytes, btrfs_discard_extent_bytes_show);