From 122e9ede5355071359c10a8ebca138b162ef176b Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 31 May 2023 09:54:06 +0200
Subject: [PATCH] btrfs: add a btrfs_finish_ordered_extent helper
Add a helper to complete an ordered_extent without first doing a lookup.
The tracepoint cannot use the ordered_extent class as we also want to
print the range.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---
fs/btrfs/ordered-data.c | 19 +++++++++++++++++++
fs/btrfs/ordered-data.h | 3 +++
include/trace/events/btrfs.h | 29 +++++++++++++++++++++++++++++
3 files changed, 51 insertions(+)
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index aa4c203a16950..a629532283bc3 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -368,6 +368,25 @@ static void btrfs_queue_ordered_fn(struct btrfs_ordered_extent *ordered)
btrfs_queue_work(wq, &ordered->work);
}
+bool btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
+ struct page *page, u64 file_offset, u64 len,
+ bool uptodate)
+{
+ struct btrfs_inode *inode = BTRFS_I(ordered->inode);
+ unsigned long flags;
+ bool ret;
+
+ trace_btrfs_finish_ordered_extent(inode, file_offset, len, uptodate);
+
+ spin_lock_irqsave(&inode->ordered_tree.lock, flags);
+ ret = can_finish_ordered_extent(ordered, page, file_offset, len, uptodate);
+ spin_unlock_irqrestore(&inode->ordered_tree.lock, flags);
+
+ if (ret)
+ btrfs_queue_ordered_fn(ordered);
+ return ret;
+}
+
/*
* Mark all ordered extents io inside the specified range finished.
*
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index 0bd0f03681329..173bd5c5df262 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -167,6 +167,9 @@ int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent);
void btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry);
void btrfs_remove_ordered_extent(struct btrfs_inode *btrfs_inode,
struct btrfs_ordered_extent *entry);
+bool btrfs_finish_ordered_extent(struct btrfs_ordered_extent *ordered,
+ struct page *page, u64 file_offset, u64 len,
+ bool uptodate);
void btrfs_mark_ordered_io_finished(struct btrfs_inode *inode,
struct page *page, u64 file_offset,
u64 num_bytes, bool uptodate);
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index 8ea9cea9bfeb4..c6eee9b414cf1 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -661,6 +661,35 @@ DEFINE_EVENT(btrfs__ordered_extent, btrfs_ordered_extent_mark_finished,
TP_ARGS(inode, ordered)
);
+TRACE_EVENT(btrfs_finish_ordered_extent,
+
+ TP_PROTO(const struct btrfs_inode *inode, u64 start, u64 len,
+ bool uptodate),
+
+ TP_ARGS(inode, start, len, uptodate),
+
+ TP_STRUCT__entry_btrfs(
+ __field( u64, ino )
+ __field( u64, start )
+ __field( u64, len )
+ __field( bool, uptodate )
+ __field( u64, root_objectid )
+ ),
+
+ TP_fast_assign_btrfs(inode->root->fs_info,
+ __entry->ino = btrfs_ino(inode);
+ __entry->start = start;
+ __entry->len = len;
+ __entry->uptodate = uptodate;
+ __entry->root_objectid = inode->root->root_key.objectid;
+ ),
+
+ TP_printk_btrfs("root=%llu(%s) ino=%llu start=%llu len=%llu uptodate=%d",
+ show_root_type(__entry->root_objectid),
+ __entry->ino, __entry->start,
+ __entry->len, !!__entry->uptodate)
+);
+
DECLARE_EVENT_CLASS(btrfs__writepage,
TP_PROTO(const struct page *page, const struct inode *inode,
--
2.30.2