Re: [PATCH] btrfs: reject zoned RW mount if sectorsize is smaller than page size

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On 12.02.24 06:16, Qu Wenruo wrote:
> Reported-by: HAN Yuwei <hrx@xxxxxxxx>
> Link: https://lore.kernel.org/all/1ACD2E3643008A17+da260584-2c7f-432a-9e22-9d390aae84cc@xxxxxxxx/
> CC: stable@xxxxxxxxxxxxxxx # 5.10+
> Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
> ---
>   fs/btrfs/disk-io.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> index c3ab268533ca..85cd23aebdd6 100644
> --- a/fs/btrfs/disk-io.c
> +++ b/fs/btrfs/disk-io.c
> @@ -3193,7 +3193,8 @@ int btrfs_check_features(struct btrfs_fs_info *fs_info, bool is_rw_mount)
>   	 * part of @locked_page.
>   	 * That's also why compression for subpage only work for page aligned ranges.
>   	 */
> -	if (fs_info->sectorsize < PAGE_SIZE && btrfs_is_zoned(fs_info) && is_rw_mount) {
> +	if (fs_info->sectorsize < PAGE_SIZE &&
> +	    btrfs_fs_incompat(fs_info, ZONED) && is_rw_mount) {
>   		btrfs_warn(fs_info,
>   	"no zoned read-write support for page size %lu with sectorsize %u",
>   			   PAGE_SIZE, fs_info->sectorsize);

Please keep btrfs_is_zoned(fs_info) instead of using 
btrfs_fs_incompat(fs_info, ZONED).

Otherwise,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>




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