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Message-ID: <20241015165427.1158782-1-daeho43@gmail.com>
Date: Tue, 15 Oct 2024 09:54:27 -0700
From: Daeho Jeong <daeho43@...il.com>
To: linux-kernel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net,
kernel-team@...roid.com
Cc: Daeho Jeong <daehojeong@...gle.com>
Subject: [PATCH] f2fs: decrease spare area for pinned files for zoned devices
From: Daeho Jeong <daehojeong@...gle.com>
Now we reclaim too much space before allocating pinned space for zoned
devices.
Signed-off-by: Daeho Jeong <daehojeong@...gle.com>
---
fs/f2fs/file.c | 3 ++-
fs/f2fs/gc.h | 1 +
fs/f2fs/segment.c | 3 ++-
3 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 321d8ffbab6e..7d0591d28b71 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1790,7 +1790,8 @@ static int f2fs_expand_inode_data(struct inode *inode, loff_t offset,
map.m_len = sec_blks;
next_alloc:
- if (has_not_enough_free_secs(sbi, 0,
+ if (has_not_enough_free_secs(sbi, 0, f2fs_sb_has_blkzoned(sbi) ?
+ ZONED_PIN_SEC_REQUIRED_COUNT :
GET_SEC_FROM_SEG(sbi, overprovision_segments(sbi)))) {
f2fs_down_write(&sbi->gc_lock);
stat_inc_gc_call_count(sbi, FOREGROUND);
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index 2914b678bf8f..5c1eaf55e127 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -35,6 +35,7 @@
#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 ZONED_PIN_SEC_REQUIRED_COUNT 1
#define DEF_GC_FAILED_PINNED_FILES 2048
#define MAX_GC_FAILED_PINNED_FILES USHRT_MAX
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 1766254279d2..b982e80cedd5 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3237,7 +3237,8 @@ int f2fs_allocate_pinning_section(struct f2fs_sb_info *sbi)
if (f2fs_sb_has_blkzoned(sbi) && err == -EAGAIN && gc_required) {
f2fs_down_write(&sbi->gc_lock);
- err = f2fs_gc_range(sbi, 0, GET_SEGNO(sbi, FDEV(0).end_blk), true, 1);
+ err = f2fs_gc_range(sbi, 0, GET_SEGNO(sbi, FDEV(0).end_blk),
+ true, ZONED_PIN_SEC_REQUIRED_COUNT);
f2fs_up_write(&sbi->gc_lock);
gc_required = false;
--
2.47.0.rc1.288.g06298d1525-goog
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