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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-03-06 11:59:56 -0800 |
|---|---|---|
| committer | Bruno Martins <bgcngm@gmail.com> | 2017-04-03 22:31:08 +0100 |
| commit | 8296d72f570ae713a090f04046e9cdb30210cbb4 (patch) | |
| tree | ad1d3ae93f7979938f8b965d4073b695a21bff06 | |
| parent | 1fe58a055961cc0d3e4b0ceab33b0ea716da4bd2 (diff) | |
f2fs: don't overwrite node block by SSR
This patch fixes that SSR can overwrite previous warm node block consisting of
a node chain since the last checkpoint.
Fixes: 5b6c6be2d878 ("f2fs: use SSR for warm node as well")
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/segment.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index baf606157c2..0ef48e7e908 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1243,6 +1243,12 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del) if (f2fs_discard_en(sbi) && !f2fs_test_and_set_bit(offset, se->discard_map)) sbi->discard_blks--; + + /* don't overwrite by SSR to keep node chain */ + if (se->type == CURSEG_WARM_NODE) { + if (!f2fs_test_and_set_bit(offset, se->ckpt_valid_map)) + se->ckpt_valid_blocks++; + } } else { if (!f2fs_test_and_clear_bit(offset, se->cur_valid_map)) { #ifdef CONFIG_F2FS_CHECK_FS |