linux-kernel - [PATCH 3/4] btrfs: rename ordered_enmtry in btrfs_io

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Date:   Mon, 18 Sep 2023 07:14:32 -0700
From:   Johannes Thumshirn <johannes.thumshirn@....com>
To:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>
Cc:     Qu Wenru <wqu@...e.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Johannes Thumshirn <johannes.thumshirn@....com>
Subject: [PATCH 3/4] btrfs: rename ordered_enmtry in btrfs_io_context

Rename the 'ordered_entry' member of 'struct btrfs_io_context' to
'rst_ordered_entry' to make it clear, it is only there for updates to the
raid-stripe-tree.

Cc: Qu Wenru <wqu@...e.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@....com>
---
 fs/btrfs/bio.c              |  3 ++-
 fs/btrfs/raid-stripe-tree.c | 18 +++++++++---------
 fs/btrfs/volumes.h          |  2 +-
 3 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c
index 4c234024beae..d0a029c859e1 100644
--- a/fs/btrfs/bio.c
+++ b/fs/btrfs/bio.c
@@ -708,7 +708,8 @@ static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num)
 			 * can't happen until after the last submission.
 			 */
 			btrfs_get_bioc(bioc);
-			list_add_tail(&bioc->ordered_entry, &bbio->ordered->bioc_list);
+			list_add_tail(&bioc->rst_ordered_entry,
+				      &bbio->ordered->bioc_list);
 		}
 
 		/*
diff --git a/fs/btrfs/raid-stripe-tree.c b/fs/btrfs/raid-stripe-tree.c
index 0c0e620ed8b9..1bf84258dbfa 100644
--- a/fs/btrfs/raid-stripe-tree.c
+++ b/fs/btrfs/raid-stripe-tree.c
@@ -132,7 +132,7 @@ static int btrfs_insert_mirrored_raid_extents(struct btrfs_trans_handle *trans,
 	struct btrfs_io_context *bioc;
 	int ret;
 
-	list_for_each_entry(bioc, &ordered->bioc_list, ordered_entry) {
+	list_for_each_entry(bioc, &ordered->bioc_list, rst_ordered_entry) {
 		ret = btrfs_insert_one_raid_extent(trans, num_stripes, bioc);
 		if (ret)
 			return ret;
@@ -167,12 +167,12 @@ static int btrfs_insert_striped_mirrored_raid_extents(
 
 	rbioc->map_type = map_type;
 	rbioc->logical = list_first_entry(&ordered->bioc_list, typeof(*rbioc),
-					  ordered_entry)->logical;
+					  rst_ordered_entry)->logical;
 
 	stripe_end = rbioc->logical;
 	prev_end = stripe_end;
 	i = 0;
-	list_for_each_entry(bioc, &ordered->bioc_list, ordered_entry) {
+	list_for_each_entry(bioc, &ordered->bioc_list, rst_ordered_entry) {
 		rbioc->size += bioc->size;
 		for (int j = 0; j < substripes; j++) {
 			int stripe = i + j;
@@ -201,7 +201,7 @@ static int btrfs_insert_striped_mirrored_raid_extents(
 	}
 
 	if (left) {
-		bioc = list_prev_entry(bioc, ordered_entry);
+		bioc = list_prev_entry(bioc, rst_ordered_entry);
 		ret = btrfs_insert_one_raid_extent(trans, substripes, bioc);
 	}
 
@@ -225,10 +225,10 @@ static int btrfs_insert_striped_raid_extents(struct btrfs_trans_handle *trans,
 		return -ENOMEM;
 	rbioc->map_type = map_type;
 	rbioc->logical = list_first_entry(&ordered->bioc_list, typeof(*rbioc),
-					  ordered_entry)->logical;
+					  rst_ordered_entry)->logical;
 
 	i = 0;
-	list_for_each_entry(bioc, &ordered->bioc_list, ordered_entry) {
+	list_for_each_entry(bioc, &ordered->bioc_list, rst_ordered_entry) {
 		rbioc->size += bioc->size;
 		rbioc->stripes[i].dev = bioc->stripes[0].dev;
 		rbioc->stripes[i].physical = bioc->stripes[0].physical;
@@ -266,7 +266,7 @@ int btrfs_insert_raid_extent(struct btrfs_trans_handle *trans,
 		return 0;
 
 	map_type = list_first_entry(&ordered_extent->bioc_list, typeof(*bioc),
-				    ordered_entry)->map_type;
+				    rst_ordered_entry)->map_type;
 
 	switch (map_type & BTRFS_BLOCK_GROUP_PROFILE_MASK) {
 	case BTRFS_BLOCK_GROUP_DUP:
@@ -291,8 +291,8 @@ int btrfs_insert_raid_extent(struct btrfs_trans_handle *trans,
 
 	while (!list_empty(&ordered_extent->bioc_list)) {
 		bioc = list_first_entry(&ordered_extent->bioc_list,
-					typeof(*bioc), ordered_entry);
-		list_del(&bioc->ordered_entry);
+					typeof(*bioc), rst_ordered_entry);
+		list_del(&bioc->rst_ordered_entry);
 		btrfs_put_bioc(bioc);
 	}
 
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 54549e34a306..b511d17c6717 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -432,7 +432,7 @@ struct btrfs_io_context {
 
 	u64 logical;
 	u64 size;
-	struct list_head ordered_entry;
+	struct list_head rst_ordered_entry;
 
 	/*
 	 * The total number of stripes, including the extra duplicated

-- 
2.41.0