diff mbox series

[2/4] btrfs: Remove fs_info from struct async_cow

Message ID 20190213155529.31500-3-nborisov@suse.com (mailing list archive)
State New, archived
Headers show
Series Cleanups around compress path | expand

Commit Message

Nikolay Borisov Feb. 13, 2019, 3:55 p.m. UTC 
We always pass an inode alongside async_cow. fs_info can be referenced
from this inode so it makes the explicit fs_info member in
struct async_cow redundant, remove it. No functional changes.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
---
 fs/btrfs/inode.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c2180f0a5f42..51147f389ebc 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -368,7 +368,6 @@  struct async_extent {
 
 struct async_cow {
 	struct inode *inode;
-	struct btrfs_fs_info *fs_info;
 	struct page *locked_page;
 	u64 start;
 	u64 end;
@@ -1151,13 +1150,10 @@  static noinline void async_cow_start(struct btrfs_work *work)
  */
 static noinline void async_cow_submit(struct btrfs_work *work)
 {
-	struct btrfs_fs_info *fs_info;
-	struct async_cow *async_cow;
+	struct async_cow *async_cow = container_of(work, struct async_cow, work);
+	struct btrfs_fs_info *fs_info = btrfs_work_owner(work);
 	unsigned long nr_pages;
 
-	async_cow = container_of(work, struct async_cow, work);
-
-	fs_info = async_cow->fs_info;
 	nr_pages = (async_cow->end - async_cow->start + PAGE_SIZE) >>
 		PAGE_SHIFT;
 
@@ -1238,7 +1234,6 @@  static int cow_file_range_async(struct inode *inode, struct page *locked_page,
 		async_cow[i].inode = inode;
 		async_cow[i].start = start;
 		async_cow[i].end = cur_end;
-		async_cow[i].fs_info = fs_info;
 		async_cow[i].locked_page = locked_page;
 		async_cow[i].write_flags = write_flags;
 		INIT_LIST_HEAD(&async_cow[i].extents);