The data and metadata callback implementation both use the same function. We can remove the call indirection completely.
Signed-off-by: David Sterba <[email protected]> --- fs/btrfs/compression.c | 10 +++------- fs/btrfs/disk-io.c | 2 -- fs/btrfs/extent_io.c | 4 ++-- fs/btrfs/extent_io.h | 3 --- fs/btrfs/inode.c | 5 ++--- 5 files changed, 7 insertions(+), 17 deletions(-) diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 70dace47258b..9bfa66592aa7 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -299,7 +299,6 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, struct bio *bio = NULL; struct compressed_bio *cb; unsigned long bytes_left; - struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree; int pg_index = 0; struct page *page; u64 first_byte = disk_start; @@ -338,9 +337,7 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, page = compressed_pages[pg_index]; page->mapping = inode->i_mapping; if (bio->bi_iter.bi_size) - submit = io_tree->ops->merge_bio_hook(page, 0, - PAGE_SIZE, - bio, 0); + submit = btrfs_merge_bio_hook(page, 0, PAGE_SIZE, bio, 0); page->mapping = NULL; if (submit || bio_add_page(bio, page, PAGE_SIZE, 0) < @@ -622,9 +619,8 @@ blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, page->index = em_start >> PAGE_SHIFT; if (comp_bio->bi_iter.bi_size) - submit = tree->ops->merge_bio_hook(page, 0, - PAGE_SIZE, - comp_bio, 0); + submit = btrfs_merge_bio_hook(page, 0, PAGE_SIZE, + comp_bio, 0); page->mapping = NULL; if (submit || bio_add_page(comp_bio, page, PAGE_SIZE, 0) < diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index d6c04933abbc..31ab764cf4e3 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4527,8 +4527,6 @@ static const struct extent_io_ops btree_extent_io_ops = { /* mandatory callbacks */ .submit_bio_hook = btree_submit_bio_hook, .readpage_end_io_hook = btree_readpage_end_io_hook, - /* note we're sharing with inode.c for the merge bio hook */ - .merge_bio_hook = btrfs_merge_bio_hook, .readpage_io_failed_hook = btree_io_failed_hook, .set_range_writeback = btrfs_set_range_writeback, diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index f7a138278f16..55a845621f85 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2784,8 +2784,8 @@ static int submit_extent_page(unsigned int opf, struct extent_io_tree *tree, else contig = bio_end_sector(bio) == sector; - if (tree->ops && tree->ops->merge_bio_hook(page, offset, - page_size, bio, bio_flags)) + if (tree->ops && btrfs_merge_bio_hook(page, offset, page_size, + bio, bio_flags)) can_merge = false; if (prev_bio_flags != bio_flags || !contig || !can_merge || diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 6edbe01fd09d..ec7c4a2982d0 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -101,9 +101,6 @@ struct extent_io_ops { int (*readpage_end_io_hook)(struct btrfs_io_bio *io_bio, u64 phy_offset, struct page *page, u64 start, u64 end, int mirror); - int (*merge_bio_hook)(struct page *page, unsigned long offset, - size_t size, struct bio *bio, - unsigned long bio_flags); int (*readpage_io_failed_hook)(struct page *page, int failed_mirror); void (*set_range_writeback)(void *private_data, u64 start, u64 end); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 1614551cf953..845621a71468 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1893,8 +1893,8 @@ static void btrfs_clear_bit_hook(void *private_data, } /* - * extent_io.c merge_bio_hook, this must check the chunk tree to make sure - * we don't create bios that span stripes or chunks + * Merge bio hook, this must check the chunk tree to make sure we don't create + * bios that span stripes or chunks * * return 1 if page cannot be merged to bio * return 0 if page can be merged to bio @@ -10540,7 +10540,6 @@ static const struct extent_io_ops btrfs_extent_io_ops = { /* mandatory callbacks */ .submit_bio_hook = btrfs_submit_bio_hook, .readpage_end_io_hook = btrfs_readpage_end_io_hook, - .merge_bio_hook = btrfs_merge_bio_hook, .readpage_io_failed_hook = btrfs_readpage_io_failed_hook, .set_range_writeback = btrfs_set_range_writeback, -- 2.18.0 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
