summaryrefslogtreecommitdiff
path: root/fs/f2fs
diff options
context:
space:
mode:
authorDaeho Jeong <daehojeong@google.com>2024-09-10 01:19:43 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2024-09-11 06:33:00 +0300
commit2223fe652f759649ae1d520e47e5f06727c0acbd (patch)
tree7edebefe27251534e00ef965b8511a049f8d93f6 /fs/f2fs
parent4cdca5a904b1c72a0ba6ac51a121351128c02fd8 (diff)
downloadlinux-2223fe652f759649ae1d520e47e5f06727c0acbd.tar.xz
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 <daehojeong@google.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/gc.c12
-rw-r--r--fs/f2fs/gc.h1
2 files changed, 11 insertions, 2 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 5cd316d2102d..9a3d3994cf2b 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 245f93663745..78abeebd68b5 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