f2fs: add proc entry to show victim_secmap bitmap

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This patch adds a new proc entry to show victim_secmap information in
more detail, which is very helpful to know the get_victim candidate
status clearly, and helpful to debug problems (e.g., some sections can
not gc all of its blocks, since some blocks belong to atomic file,
leaving victim_secmap with section bit setting, in extrem case, this
will lead all bytes of victim_secmap setting with 0xff).

Signed-off-by: Yunlong Song <yunlong.song@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Yunlong Song 2018-07-23 22:10:22 +08:00 • committed by Jaegeuk Kim

parent fd8c8caf7e

commit 970e348d98

1 changed files with 25 additions and 0 deletions

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fs/f2fs/sysfs.c

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