CP_DISCARD traverse all segments in fstrim_range to add small discards, it is better to select entry->len bigger than trim_minlen.
Signed-off-by: Yunlei He <[email protected]> --- 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 78e6d06..a0dab7a 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -599,7 +599,8 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc) break; end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1); - __add_discard_entry(sbi, cpc, se, start, end); + if(force && cpc->trim_minlen >= (end - start)) + __add_discard_entry(sbi, cpc, se, start, end); } } -- 1.9.1 ------------------------------------------------------------------------------ _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
