Messages in this thread Patch in this message | | | From | Johannes Thumshirn <> | Date | Mon, 18 Sep 2023 07:14:30 -0700 | Subject | [PATCH 1/4] btrfs: fix 64bit division in btrfs_insert_striped_mirrored_raid_extents |
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Fix modpost error due to 64bit division on 32bit systems in btrfs_insert_striped_mirrored_raid_extents.
Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> --- fs/btrfs/raid-stripe-tree.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/btrfs/raid-stripe-tree.c b/fs/btrfs/raid-stripe-tree.c index 85e8e389990f..0c0e620ed8b9 100644 --- a/fs/btrfs/raid-stripe-tree.c +++ b/fs/btrfs/raid-stripe-tree.c @@ -148,10 +148,10 @@ static int btrfs_insert_striped_mirrored_raid_extents( { struct btrfs_io_context *bioc; struct btrfs_io_context *rbioc; - const int nstripes = list_count_nodes(&ordered->bioc_list); - const int index = btrfs_bg_flags_to_raid_index(map_type); - const int substripes = btrfs_raid_array[index].sub_stripes; - const int max_stripes = trans->fs_info->fs_devices->rw_devices / substripes; + const size_t nstripes = list_count_nodes(&ordered->bioc_list); + const enum btrfs_raid_types index = btrfs_bg_flags_to_raid_index(map_type); + const u8 substripes = btrfs_raid_array[index].sub_stripes; + const int max_stripes = div_u64(trans->fs_info->fs_devices->rw_devices, substripes); int left = nstripes; int i; int ret = 0; -- 2.41.0
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