This is a note to let you know that I've just added the patch titled
f2fs: fix to check available space of CP area correctly in update_ckpt_flags()
to the 5.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
f2fs-fix-to-check-available-space-of-cp-area-correctly-in-update_ckpt_flags.patch
and it can be found in the queue-5.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b702c83e2eaa2fa2d72e957c55c0321535cc8b9f Mon Sep 17 00:00:00 2001
From: Chao Yu <chao@xxxxxxxxxx>
Date: Sun, 12 Dec 2021 20:28:12 +0800
Subject: f2fs: fix to check available space of CP area correctly in update_ckpt_flags()
From: Chao Yu <chao@xxxxxxxxxx>
commit b702c83e2eaa2fa2d72e957c55c0321535cc8b9f upstream.
Otherwise, nat_bit area may be persisted across boundary of CP area during
nat_bit rebuilding.
Fixes: 94c821fb286b ("f2fs: rebuild nat_bits during umount")
Signed-off-by: Chao Yu <chao@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/f2fs/checkpoint.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1302,8 +1302,8 @@ static void update_ckpt_flags(struct f2f
unsigned long flags;
if (cpc->reason & CP_UMOUNT) {
- if (le32_to_cpu(ckpt->cp_pack_total_block_count) >
- sbi->blocks_per_seg - NM_I(sbi)->nat_bits_blocks) {
+ if (le32_to_cpu(ckpt->cp_pack_total_block_count) +
+ NM_I(sbi)->nat_bits_blocks > sbi->blocks_per_seg) {
clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG);
f2fs_notice(sbi, "Disable nat_bits due to no space");
} else if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG) &&
Patches currently in stable-queue which might be from chao@xxxxxxxxxx are
queue-5.16/f2fs-fix-to-avoid-panic-in-is_alive-if-metadata-is-inconsistent.patch
queue-5.16/f2fs-fix-remove-page-failed-in-invalidate-compress-pages.patch
queue-5.16/f2fs-fix-to-do-sanity-check-on-inode-type-during-garbage-collection.patch
queue-5.16/f2fs-fix-to-check-available-space-of-cp-area-correctly-in-update_ckpt_flags.patch
queue-5.16/f2fs-fix-to-do-sanity-check-in-is_alive.patch
queue-5.16/f2fs-compress-fix-potential-deadlock-of-compress-file.patch
queue-5.16/f2fs-fix-to-do-sanity-check-on-last-xattr-entry-in-__f2fs_setxattr.patch
queue-5.16/f2fs-fix-to-reserve-space-for-io-align-feature.patch
