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| author |   Namjae Jeon <namjae.jeon@samsung.com> | 2013-08-04 23:10:15 +0900 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-08-06 22:00:18 +0900 |
| commit | d2dc095f4280ad5fdea33769e8e119fd16648426 (patch) | |
| tree | f97a7bd3a06822c463e678770fb63dab52d0bc94 /fs/f2fs/gc.h | |
| parent | f2fs: add sysfs support for controlling the gc_thread (diff) | |
| download | linux-dev-d2dc095f4280ad5fdea33769e8e119fd16648426.tar.xz linux-dev-d2dc095f4280ad5fdea33769e8e119fd16648426.zip | |
f2fs: add sysfs entries to select the gc policy
Add sysfs entry gc_idle to control the gc policy. Where
gc_idle = 1 corresponds to selecting a cost benefit approach,
while gc_idle = 2 corresponds to selecting a greedy approach
to garbage collection. The selection is mutually exclusive one
approach will work at any point. If gc_idle = 0, then this
option is disabled.
Cc: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
Reviewed-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
[Jaegeuk Kim: change the select_gc_type() flow slightly]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/gc.h')
| -rw-r--r-- | fs/f2fs/gc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h index f4bf44c9deda..c22dee9f1422 100644 --- a/fs/f2fs/gc.h +++ b/fs/f2fs/gc.h @@ -30,6 +30,9 @@ struct f2fs_gc_kthread { unsigned int min_sleep_time; unsigned int max_sleep_time; unsigned int no_gc_sleep_time; + + /* for changing gc mode */ + unsigned int gc_idle; }; struct inode_entry { |