From: liuderong <liuder...@oppo.com> In cost-benefit GC algorithm, mtime will affect the selection of victim segment.For a large section, mtime should be the mean value of valid blocks, in order to select correct victim segment, it needs to modify the calculation method of mtime.
v3: - add new define INVALID_MTIME and rename new API:f2fs_get_section_mtime v2: - modify new API:get_section_mtime liuderong (2): f2fs: remove unused parameters f2fs: introduce f2fs_get_section_mtime fs/f2fs/f2fs.h | 5 +++-- fs/f2fs/gc.c | 23 +++++++---------------- fs/f2fs/segment.c | 38 +++++++++++++++++++++++++++++++------- fs/f2fs/segment.h | 6 ++++-- 4 files changed, 45 insertions(+), 27 deletions(-) -- 2.7.4 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
