[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20240226013208.2389246-4-chao@kernel.org>
Date: Mon, 26 Feb 2024 09:32:08 +0800
From: Chao Yu <chao@...nel.org>
To: jaegeuk@...nel.org
Cc: linux-f2fs-devel@...ts.sourceforge.net,
linux-kernel@...r.kernel.org,
Chao Yu <chao@...nel.org>
Subject: [PATCH 4/4] f2fs: fix to reset fields for unloaded curseg
In f2fs_allocate_data_block(), before skip allocating new segment
for DATA_PINNED log header, it needs to tag log header as unloaded
one to avoid skipping logic in locate_dirty_segment() and
__f2fs_save_inmem_curseg().
Signed-off-by: Chao Yu <chao@...nel.org>
---
fs/f2fs/segment.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index c159b0985596..5e45afd69f3f 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3101,12 +3101,16 @@ static int __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
struct curseg_info *curseg = CURSEG_I(sbi, type);
unsigned int old_segno;
+ if (type == CURSEG_COLD_DATA_PINNED && !curseg->inited)
+ goto allocate;
+
if (!force && curseg->inited &&
!curseg->next_blkoff &&
!get_valid_blocks(sbi, curseg->segno, new_sec) &&
!get_ckpt_valid_blocks(sbi, curseg->segno, new_sec))
return 0;
+allocate:
old_segno = curseg->segno;
if (new_curseg(sbi, type, true))
return -EAGAIN;
@@ -3451,6 +3455,13 @@ static void f2fs_randomize_chunk(struct f2fs_sb_info *sbi,
get_random_u32_inclusive(1, sbi->max_fragment_hole);
}
+static void reset_curseg_fields(struct curseg_info *curseg)
+{
+ curseg->inited = false;
+ curseg->segno = NULL_SEGNO;
+ curseg->next_segno = 0;
+}
+
int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
block_t old_blkaddr, block_t *new_blkaddr,
struct f2fs_summary *sum, int type,
@@ -3516,8 +3527,10 @@ int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
*/
if (segment_full) {
if (type == CURSEG_COLD_DATA_PINNED &&
- !((curseg->segno + 1) % sbi->segs_per_sec))
+ !((curseg->segno + 1) % sbi->segs_per_sec)) {
+ reset_curseg_fields(curseg);
goto skip_new_segment;
+ }
if (from_gc) {
get_atssr_segment(sbi, type, se->type,
@@ -4595,9 +4608,7 @@ static int build_curseg(struct f2fs_sb_info *sbi)
array[i].seg_type = CURSEG_COLD_DATA;
else if (i == CURSEG_ALL_DATA_ATGC)
array[i].seg_type = CURSEG_COLD_DATA;
- array[i].segno = NULL_SEGNO;
- array[i].next_blkoff = 0;
- array[i].inited = false;
+ reset_curseg_fields(&array[i]);
}
return restore_curseg_summaries(sbi);
}
--
2.40.1
Powered by blists - more mailing lists