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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-10-27 13:54:27 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-11-03 16:07:38 -0800 |
| commit | e3fb1b794b5f0c9f9b65707ce4e6be264a9c60f8 (patch) | |
| tree | 83ee92cb8f8fa3003830a0053e529596758b1274 /fs/f2fs/segment.c | |
| parent | 427a45c8e2395e0d24cb7fecc2ebf6e5e84e59fd (diff) | |
| download | linux-e3fb1b794b5f0c9f9b65707ce4e6be264a9c60f8.tar.gz linux-e3fb1b794b5f0c9f9b65707ce4e6be264a9c60f8.tar.bz2 linux-e3fb1b794b5f0c9f9b65707ce4e6be264a9c60f8.zip | |
f2fs: do not discard data protected by the previous checkpoint
We should not discard any data protected by the previous checkpoint all
the time.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index d391a5913c79..06dda733f958 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -517,7 +517,7 @@ static void add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc) /* SIT_VBLOCK_MAP_SIZE should be multiple of sizeof(unsigned long) */ for (i = 0; i < entries; i++) - dmap[i] = (cur_map[i] ^ ckpt_map[i]) & ckpt_map[i]; + dmap[i] = ~(cur_map[i] | ckpt_map[i]); while (force || SM_I(sbi)->nr_discards <= SM_I(sbi)->max_discards) { start = __find_rev_next_bit(dmap, max_blocks, end + 1); |