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f2fs: add logs in f2fs_disable_checkpoint()

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In order to troubleshoot in which step we may block on during
mount w/ checkpoint_disable mount option.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2026-05-11 00:30:33 +08:00 committed by Jaegeuk Kim
parent caac757a3d
commit 47a60629ca
1 changed files with 18 additions and 1 deletions
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19
fs/f2fs/super.c
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@ -2633,6 +2633,9 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
/* check if we need more GC first */
unusable = f2fs_get_unusable_blocks(sbi);
f2fs_info(sbi, "%s starts, unusable: %u", __func__, unusable);
if (!f2fs_disable_cp_again(sbi, unusable))
goto skip_gc;
@ -2640,6 +2643,8 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
sbi->gc_mode = GC_URGENT_HIGH;
f2fs_info(sbi, "%s: run f2fs_gc() to migrate blocks", __func__);
while (!f2fs_time_over(sbi, DISABLE_TIME)) {
struct f2fs_gc_control gc_control = {
.victim_segno = NULL_SEGNO,
@ -2660,6 +2665,12 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
break;
}
f2fs_info(sbi, "%s: call sync_filesystem() to persist meta: %lld, node: %lld, data: %lld",
__func__,
get_pages(sbi, F2FS_DIRTY_META),
get_pages(sbi, F2FS_DIRTY_NODES),
get_pages(sbi, F2FS_DIRTY_DATA));
ret = sync_filesystem(sbi->sb);
if (ret || err) {
err = ret ? ret : err;
@ -2673,6 +2684,12 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
}
skip_gc:
f2fs_info(sbi, "%s: call f2fs_write_checkpoint(), meta: %lld, node: %lld, data: %lld",
__func__,
get_pages(sbi, F2FS_DIRTY_META),
get_pages(sbi, F2FS_DIRTY_NODES),
get_pages(sbi, F2FS_DIRTY_DATA));
f2fs_down_write_trace(&sbi->gc_lock, &lc);
cpc.reason = CP_PAUSE;
set_sbi_flag(sbi, SBI_CP_DISABLED);
@ -2690,7 +2707,7 @@ static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
restore_flag:
sbi->gc_mode = gc_mode;
sbi->sb->s_flags = s_flags; /* Restore SB_RDONLY status */
f2fs_info(sbi, "f2fs_disable_checkpoint() finish, err:%d", err);
f2fs_info(sbi, "%s finishes, err:%d", __func__, err);
return err;
}