f2fs: avoid mismatching block range for discard
This patch skip discard block range smaller than trim_minlen,
and can not be merged by neighbour
Signed-off-by: Yunlei He <heyunlei@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 6d16ecf..9e13db0 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -672,6 +672,10 @@
break;
end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1);
+ if (force && start && end != max_blocks
+ && (end - start) < cpc->trim_minlen)
+ continue;
+
__add_discard_entry(sbi, cpc, se, start, end);
}
}