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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-04-21 10:40:54 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-05-04 14:15:15 -0700 |
| commit | 5463e7c18e51152104aba9614e6abfc039a8b710 (patch) | |
| tree | 218536394f55b575ad56dbe702c2d9dfac078c50 /fs/f2fs/super.c | |
| parent | 5ebe6afaf0057ac3eaeb98defd5456894b446d22 (diff) | |
| download | linux-5463e7c18e51152104aba9614e6abfc039a8b710.tar.bz2 | |
Revert "f2fs: enhance multi-threads performance"
This reports performance regression by Yuanhan Liu.
The basic idea was to reduce one-point mutex, but it turns out this causes
another contention like context swithes.
https://lkml.org/lkml/2015/4/21/11
Until finishing the analysis on this issue, I'd like to revert this for a while.
This reverts commit 78373b7319abdf15050af5b1632c4c8b8b398f33.
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 160b88346b24..b2dd1b01f076 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1035,6 +1035,7 @@ try_onemore: sbi->raw_super = raw_super; sbi->raw_super_buf = raw_super_buf; mutex_init(&sbi->gc_mutex); + mutex_init(&sbi->writepages); mutex_init(&sbi->cp_mutex); init_rwsem(&sbi->node_write); clear_sbi_flag(sbi, SBI_POR_DOING); |