Commit 0ab02063 authored by David Sterba's avatar David Sterba
Browse files

btrfs: get fs_info from eb in write_one_eb 



We can read fs_info from extent buffer and can drop it from the
parameters.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 20a1fbf9

fs/btrfs/extent_io.c

+2 −3
Original line number Diff line number Diff line
@@ -3681,10 +3681,10 @@ static void end_bio_extent_buffer_writepage(struct bio *bio) 
}



static noinline_for_stack int write_one_eb(struct extent_buffer *eb,

			struct btrfs_fs_info *fs_info,

			struct writeback_control *wbc,

			struct extent_page_data *epd)

{

	struct btrfs_fs_info *fs_info = eb->fs_info;

	struct block_device *bdev = fs_info->fs_devices->latest_bdev;

	struct extent_io_tree *tree = &BTRFS_I(fs_info->btree_inode)->io_tree;

	u64 offset = eb->start;
@@ -3753,7 +3753,6 @@ int btree_write_cache_pages(struct address_space *mapping, 
				   struct writeback_control *wbc)

{

	struct extent_io_tree *tree = &BTRFS_I(mapping->host)->io_tree;

	struct btrfs_fs_info *fs_info = BTRFS_I(mapping->host)->root->fs_info;

	struct extent_buffer *eb, *prev_eb = NULL;

	struct extent_page_data epd = {

		.bio = NULL,
@@ -3834,7 +3833,7 @@ int btree_write_cache_pages(struct address_space *mapping, 
				continue;

			}



			ret = write_one_eb(eb, fs_info, wbc, &epd);

			ret = write_one_eb(eb, wbc, &epd);

			if (ret) {

				done = 1;

				free_extent_buffer(eb);