This is a note to let you know that I've just added the patch titled
f2fs: atomic: fix to truncate pagecache before on-disk metadata truncation
to the 6.1-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-atomic-fix-to-truncate-pagecache-before-on-disk.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit fade29ef7c7e7be6c6921facf38c42bfac833096
Author: Chao Yu <chao@xxxxxxxxxx>
Date: Wed Aug 7 18:24:35 2024 +0800
f2fs: atomic: fix to truncate pagecache before on-disk metadata truncation
[ Upstream commit ebd3309aec6271c4616573b0cb83ea25e623070a ]
We should always truncate pagecache while truncating on-disk data.
Fixes: a46bebd502fe ("f2fs: synchronize atomic write aborts")
Signed-off-by: Chao Yu <chao@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index c9f0bb8f8b210..8a1a38a510893 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2171,6 +2171,10 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
clear_inode_flag(fi->cow_inode, FI_INLINE_DATA);
} else {
/* Reuse the already created COW inode */
+ f2fs_bug_on(sbi, get_dirty_pages(fi->cow_inode));
+
+ invalidate_mapping_pages(fi->cow_inode->i_mapping, 0, -1);
+
ret = f2fs_do_truncate_blocks(fi->cow_inode, 0, true);
if (ret) {
f2fs_up_write(&fi->i_gc_rwsem[WRITE]);
