From: Daeho Jeong Date: Mon, 9 Sep 2024 22:19:43 +0000 (-0700) Subject: f2fs: increase BG GC migration window granularity when boosted for zoned devices X-Git-Tag: v6.12-rc1~59^2~8 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2223fe652f759649ae1d520e47e5f06727c0acbd;p=thirdparty%2Fkernel%2Flinux.git f2fs: increase BG GC migration window granularity when boosted for zoned devices Need bigger BG GC migration window granularity when free section is running low. Signed-off-by: Daeho Jeong Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 5cd316d2102de..9a3d3994cf2ba 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -1728,10 +1728,18 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, sec_end_segno -= SEGS_PER_SEC(sbi) - f2fs_usable_segs_in_sec(sbi, segno); - if (gc_type == BG_GC) - end_segno = start_segno + + if (gc_type == BG_GC) { + unsigned int window_granularity = sbi->migration_window_granularity; + if (f2fs_sb_has_blkzoned(sbi) && + !has_enough_free_blocks(sbi, + LIMIT_BOOST_ZONED_GC)) + window_granularity *= BOOST_GC_MULTIPLE; + + end_segno = start_segno + window_granularity; + } + if (end_segno > sec_end_segno) end_segno = sec_end_segno; } diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h index 245f93663745a..78abeebd68b5e 100644 --- a/fs/f2fs/gc.h +++ b/fs/f2fs/gc.h @@ -33,6 +33,7 @@ #define LIMIT_NO_ZONED_GC 60 /* percentage over total user space of no gc for zoned devices */ #define LIMIT_BOOST_ZONED_GC 25 /* percentage over total user space of boosted gc for zoned devices */ #define DEF_MIGRATION_WINDOW_GRANULARITY_ZONED 3 +#define BOOST_GC_MULTIPLE 5 #define DEF_GC_FAILED_PINNED_FILES 2048 #define MAX_GC_FAILED_PINNED_FILES USHRT_MAX