| commit | 8f1dbbbbdfe9bada7e2f8041e07c6373f787c043 | [log] [tgz] |
|---|---|---|
| author | Shuoran Liu <liushuoran@huawei.com> | Wed Jan 27 09:57:30 2016 +0800 |
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | Mon Feb 22 16:07:23 2016 -0800 |
| tree | 25fb006ca5bc2f960722210241c0f9e14af9c0d1 | |
| parent | 6fe2bc95616650104020e821ea84c086cce1e290 [diff] |
f2fs: introduce lifetime write IO statistics This patch introduces lifetime IO write statistics exposed to the sysfs interface. The write IO amount is obtained from block layer, accumulated in the file system and stored in the hot node summary of checkpoint. Signed-off-by: Shuoran Liu <liushuoran@huawei.com> Signed-off-by: Pengyang Hou <houpengyang@huawei.com> [Jaegeuk Kim: add sysfs documentation] Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>