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| author | Yunlei He <heyunlei@huawei.com> | 2016-07-07 12:13:33 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-07-08 10:33:33 -0700 |
| commit | c7b41e161368388487238d71986a65290f83d74a (patch) | |
| tree | d5a64c78d1a117fc4dae285df11a77735d118018 /fs | |
| parent | 3e6d0b4d9c1cd3bbe5bacbf9d6de682be2bce8e4 (diff) | |
| download | linux-stable-c7b41e161368388487238d71986a65290f83d74a.tar.gz linux-stable-c7b41e161368388487238d71986a65290f83d74a.tar.bz2 linux-stable-c7b41e161368388487238d71986a65290f83d74a.zip | |
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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/segment.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 6d16ecf9d29e..9e13db05e3f0 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -672,6 +672,10 @@ 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); + if (force && start && end != max_blocks + && (end - start) < cpc->trim_minlen) + continue; + __add_discard_entry(sbi, cpc, se, start, end); } } |