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btrfs: drop extent_io_ops::merge_bio_hook callback

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The data and metadata callback implementation both use the same
function. We can remove the call indirection completely.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2018-07-18 19:28:09 +02:00
parent 05912a3c04
commit 00032d38ea
5 changed files with 7 additions and 17 deletions
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2
fs/btrfs/disk-io.c
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@@ -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,