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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-03-13 21:44:36 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-04-10 15:08:45 -0700 |
| commit | 78373b7319abdf15050af5b1632c4c8b8b398f33 (patch) | |
| tree | e4d8c016400ea53cd0a8a45984008b8f2c383190 /fs/f2fs/f2fs.h | |
| parent | 3402e87cfb5e762f9c95071bf4a2ad65fd9392a2 (diff) | |
| download | linux-78373b7319abdf15050af5b1632c4c8b8b398f33.tar.bz2 | |
f2fs: enhance multi-threads performance
Previously, f2fs_write_data_pages has a mutex, sbi->writepages, to serialize
data writes to maximize write bandwidth, while sacrificing multi-threads
performance.
Practically, however, multi-threads environment is much more important for
users. So this patch tries to remove the mutex.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 147ef316f0ff..dbe114463a18 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -613,7 +613,6 @@ struct f2fs_sb_info { struct mutex cp_mutex; /* checkpoint procedure lock */ struct rw_semaphore cp_rwsem; /* blocking FS operations */ struct rw_semaphore node_write; /* locking node writes */ - struct mutex writepages; /* mutex for writepages() */ wait_queue_head_t cp_wait; struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |