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* [PATCH] f2fs: relax sanity check if checkpoint is corrupted
@ 2023-04-07 18:15 Jaegeuk Kim
  2023-04-12 16:17 ` [PATCH v2] " Jaegeuk Kim
  0 siblings, 1 reply; 7+ messages in thread
From: Jaegeuk Kim @ 2023-04-07 18:15 UTC (permalink / raw)
  To: linux-kernel, linux-f2fs-devel; +Cc: Jaegeuk Kim

1. extent_cache
 - let's drop the largest extent_cache
2. invalidate_block
 - don't show the warnings

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/checkpoint.c   |  5 +++++
 fs/f2fs/extent_cache.c | 22 +++++++++++++++-------
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 5774076d7ca3..73ae4e85e70d 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -152,6 +152,11 @@ static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr,
 	se = get_seg_entry(sbi, segno);
 
 	exist = f2fs_test_bit(offset, se->cur_valid_map);
+
+	/* skip, if we already have an error in checkpoint. */
+	if (is_set_ckpt_flags(sbi, CP_ERROR_FLAG))
+		return exist;
+
 	if (exist && type == DATA_GENERIC_ENHANCE_UPDATE) {
 		f2fs_err(sbi, "Inconsistent error blkaddr:%u, sit bitmap:%d",
 			 blkaddr, exist);
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 9a8153895d20..bea6ab9d846a 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -23,18 +23,26 @@ bool sanity_check_extent_cache(struct inode *inode)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct f2fs_inode_info *fi = F2FS_I(inode);
+	struct extent_tree *et = fi->extent_tree[EX_READ];
 	struct extent_info *ei;
 
-	if (!fi->extent_tree[EX_READ])
+	if (!et)
+		return true;
+
+	ei = &et->largest;
+	if (!ei->len)
 		return true;
 
-	ei = &fi->extent_tree[EX_READ]->largest;
+	/* Let's drop, if checkpoint got corrupted. */
+	if (is_set_ckpt_flags(sbi, CP_ERROR_FLAG)) {
+		ei->len = 0;
+		et->largest_updated = true;
+		return true;
+	}
 
-	if (ei->len &&
-		(!f2fs_is_valid_blkaddr(sbi, ei->blk,
-					DATA_GENERIC_ENHANCE) ||
-		!f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
-					DATA_GENERIC_ENHANCE))) {
+	if (!f2fs_is_valid_blkaddr(sbi, ei->blk, DATA_GENERIC_ENHANCE) ||
+	    !f2fs_is_valid_blkaddr(sbi, ei->blk + ei->len - 1,
+					DATA_GENERIC_ENHANCE)) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		f2fs_warn(sbi, "%s: inode (ino=%lx) extent info [%u, %u, %u] is incorrect, run fsck to fix",
 			  __func__, inode->i_ino,
-- 
2.40.0.577.gac1e443424-goog


^ permalink raw reply related	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2023-04-14  1:23 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-04-07 18:15 [PATCH] f2fs: relax sanity check if checkpoint is corrupted Jaegeuk Kim
2023-04-12 16:17 ` [PATCH v2] " Jaegeuk Kim
2023-04-13 15:28   ` [f2fs-dev] " Chao Yu
2023-04-13 15:52     ` Jaegeuk Kim
2023-04-14  1:18       ` Chao Yu
2023-04-13 22:57   ` [f2fs-dev] [PATCH v3] " Jaegeuk Kim
2023-04-14  1:23     ` Chao Yu

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