Commit 247462a5 authored by David Sterba's avatar David Sterba
Browse files

btrfs: move tree block wait and write helpers to tree-log 



The wrapper names better describe what's happening so they're not
deleted though they're trivial, but at least moved closer to their place
of use.

Reviewed-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent d4eb671a

fs/btrfs/disk-io.c

+0 −13
Original line number Diff line number Diff line
@@ -1078,19 +1078,6 @@ struct extent_buffer *btrfs_find_create_tree_block( 
	return alloc_extent_buffer(fs_info, bytenr);

}





int btrfs_write_tree_block(struct extent_buffer *buf)

{

	return filemap_fdatawrite_range(buf->pages[0]->mapping, buf->start,

					buf->start + buf->len - 1);

}



void btrfs_wait_tree_block_writeback(struct extent_buffer *buf)

{

	filemap_fdatawait_range(buf->pages[0]->mapping,

			        buf->start, buf->start + buf->len - 1);

}



/*

 * Read tree block at logical address @bytenr and do variant basic but critical

 * verification.

fs/btrfs/disk-io.h

+0 −2
Original line number Diff line number Diff line
@@ -126,8 +126,6 @@ blk_status_t btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct bio *bio, 
			extent_submit_bio_start_t *submit_bio_start);

blk_status_t btrfs_submit_bio_done(void *private_data, struct bio *bio,

			  int mirror_num);

int btrfs_write_tree_block(struct extent_buffer *buf);

void btrfs_wait_tree_block_writeback(struct extent_buffer *buf);

int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans,

			     struct btrfs_fs_info *fs_info);

int btrfs_add_log_tree(struct btrfs_trans_handle *trans,

fs/btrfs/tree-log.c

+11 −0
Original line number Diff line number Diff line
@@ -225,6 +225,17 @@ void btrfs_end_log_trans(struct btrfs_root *root) 
	}

}



static int btrfs_write_tree_block(struct extent_buffer *buf)

{

	return filemap_fdatawrite_range(buf->pages[0]->mapping, buf->start,

					buf->start + buf->len - 1);

}



static void btrfs_wait_tree_block_writeback(struct extent_buffer *buf)

{

	filemap_fdatawait_range(buf->pages[0]->mapping,

			        buf->start, buf->start + buf->len - 1);

}



/*

 * the walk control struct is used to pass state down the chain when

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