Patch "f2fs: introduce trace_f2fs_replace_atomic_write_block" has been added to the 6.2-stable tree

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This is a note to let you know that I've just added the patch titled

    f2fs: introduce trace_f2fs_replace_atomic_write_block

to the 6.2-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-introduce-trace_f2fs_replace_atomic_write_block.patch
and it can be found in the queue-6.2 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 5a57da406bbc619a2965960cc8da4e7fb2271cf2
Author: Chao Yu <chao@xxxxxxxxxx>
Date:   Mon Jan 9 11:44:49 2023 +0800

    f2fs: introduce trace_f2fs_replace_atomic_write_block
    
    [ Upstream commit 2f3a9ae990a7881c9a57a073bb52ebe34fdc3160 ]
    
    Commit 3db1de0e582c ("f2fs: change the current atomic write way")
    removed old tracepoints, but it missed to add new one, this patch
    fixes to introduce trace_f2fs_replace_atomic_write_block to trace
    atomic_write commit flow.
    
    Fixes: 3db1de0e582c ("f2fs: change the current atomic write way")
    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/segment.c b/fs/f2fs/segment.c
index b019f63fd5403..af3059236f542 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -255,6 +255,9 @@ static int __replace_atomic_write_block(struct inode *inode, pgoff_t index,
 	}
 
 	f2fs_put_dnode(&dn);
+
+	trace_f2fs_replace_atomic_write_block(inode, F2FS_I(inode)->cow_inode,
+					index, *old_addr, new_addr, recover);
 	return 0;
 }
 
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 31d994e6b4ca9..35ecb3118c7d5 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -1293,6 +1293,43 @@ DEFINE_EVENT(f2fs__page, f2fs_vm_page_mkwrite,
 	TP_ARGS(page, type)
 );
 
+TRACE_EVENT(f2fs_replace_atomic_write_block,
+
+	TP_PROTO(struct inode *inode, struct inode *cow_inode, pgoff_t index,
+			block_t old_addr, block_t new_addr, bool recovery),
+
+	TP_ARGS(inode, cow_inode, index, old_addr, new_addr, recovery),
+
+	TP_STRUCT__entry(
+		__field(dev_t,	dev)
+		__field(ino_t,	ino)
+		__field(ino_t,	cow_ino)
+		__field(pgoff_t, index)
+		__field(block_t, old_addr)
+		__field(block_t, new_addr)
+		__field(bool, recovery)
+	),
+
+	TP_fast_assign(
+		__entry->dev		= inode->i_sb->s_dev;
+		__entry->ino		= inode->i_ino;
+		__entry->cow_ino	= cow_inode->i_ino;
+		__entry->index		= index;
+		__entry->old_addr	= old_addr;
+		__entry->new_addr	= new_addr;
+		__entry->recovery	= recovery;
+	),
+
+	TP_printk("dev = (%d,%d), ino = %lu, cow_ino = %lu, index = %lu, "
+			"old_addr = 0x%llx, new_addr = 0x%llx, recovery = %d",
+		show_dev_ino(__entry),
+		__entry->cow_ino,
+		(unsigned long)__entry->index,
+		(unsigned long long)__entry->old_addr,
+		(unsigned long long)__entry->new_addr,
+		__entry->recovery)
+);
+
 TRACE_EVENT(f2fs_filemap_fault,
 
 	TP_PROTO(struct inode *inode, pgoff_t index, unsigned long ret),



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