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btrfs: don't use bio->bi_private to pass the inode to submit_one_bio 

submit_one_bio is only used for page cache I/O, so the inode can be
trivially derived from the first page in the bio.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig 2022-06-03 09:11:01 +02:00 committed by David Sterba
parent 234fdd2815
commit 2d5ac130fa
1 changed files with 1 additions and 5 deletions
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6
fs/btrfs/extent_io.c
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@ -181,10 +181,7 @@ static int add_extent_changeset(struct extent_state *state, u32 bits,
static void submit_one_bio(struct bio *bio, int mirror_num,
enum btrfs_compression_type compress_type)
{
struct extent_io_tree *tree = bio->bi_private;
struct inode *inode = tree->private_data;
bio->bi_private = NULL;
struct inode *inode = bio_first_page_all(bio)->mapping->host;
/* Caller should ensure the bio has at least some range added */
ASSERT(bio->bi_iter.bi_size);
@ -3362,7 +3359,6 @@ static int alloc_new_bio(struct btrfs_inode *inode,
bio_ctrl->bio = bio;
bio_ctrl->compress_type = compress_type;
bio->bi_end_io = end_io_func;
bio->bi_private = &inode->io_tree;
bio->bi_opf = opf;
ret = calc_bio_boundaries(bio_ctrl, inode, file_offset);
if (ret < 0)