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| author | Namjae Jeon <namjae.jeon@samsung.com> | 2013-08-04 16:10:15 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-08-06 15:00:18 +0200 |
| commit | d2dc095f4280ad5fdea33769e8e119fd16648426 (patch) | |
| tree | f97a7bd3a06822c463e678770fb63dab52d0bc94 /Documentation/ABI | |
| parent | f2fs: add sysfs support for controlling the gc_thread (diff) | |
| download | linux-d2dc095f4280ad5fdea33769e8e119fd16648426.tar.xz linux-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 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 98e53a09530a..31942efcaf0e 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -18,3 +18,9 @@ Contact: "Namjae Jeon" <namjae.jeon@samsung.com> Description: Controls the default sleep time for gc_thread. Time is in milliseconds. + +What: /sys/fs/f2fs/<disk>/gc_idle +Date: July 2013 +Contact: "Namjae Jeon" <namjae.jeon@samsung.com> +Description: + Controls the victim selection policy for garbage collection. |