On 2017/5/26 16:04, Damien Le Moal wrote: > clear_prefree_segments() issues small discards after discarding full > segments. These small discards may not be section aligned, so not zone > aligned on a zoned block device, causing __f2fs_iissue_discard_zone() to fail. > Fix this by not issuing small discards for a volume mounted with the BLKZONED > feature enabled. > > Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx> This version looks good to me. Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx> Thanks, > --- > fs/f2fs/segment.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c > index 9684585..1279650 100644 > --- a/fs/f2fs/segment.c > +++ b/fs/f2fs/segment.c > @@ -1322,7 +1322,8 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc) > sbi->blocks_per_seg, cur_pos); > len = next_pos - cur_pos; > > - if (force && len < cpc->trim_minlen) > + if (f2fs_sb_mounted_blkzoned(sbi->sb) || > + (force && len < cpc->trim_minlen)) > goto skip; > > f2fs_issue_discard(sbi, entry->start_blkaddr + cur_pos, >
