Commit 4b67c11d authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David Sterba
Browse files

btrfs: make create_io_em take btrfs_inode 



It really wants a btrfs_inode and will allow submit_compressed_extents
to be completely converted to btrfs_inode in follow up patches.

Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 7bfa9535

fs/btrfs/inode.c

+11 −11
Original line number Diff line number Diff line
@@ -84,8 +84,8 @@ static noinline int cow_file_range(struct inode *inode, 
				   struct page *locked_page,

				   u64 start, u64 end, int *page_started,

				   unsigned long *nr_written, int unlock);

static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len,

				       u64 orig_start, u64 block_start,

static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,

				       u64 len, u64 orig_start, u64 block_start,

				       u64 block_len, u64 orig_block_len,

				       u64 ram_bytes, int compress_type,

				       int type);
@@ -845,7 +845,7 @@ retry: 
		 * here we're doing allocation and writeback of the

		 * compressed pages

		 */

		em = create_io_em(inode, async_extent->start,

		em = create_io_em(BTRFS_I(inode), async_extent->start,

				  async_extent->ram_size, /* len */

				  async_extent->start, /* orig_start */

				  ins.objectid, /* block_start */
@@ -1064,7 +1064,7 @@ static noinline int cow_file_range(struct inode *inode, 
		extent_reserved = true;



		ram_size = ins.offset;

		em = create_io_em(inode, start, ins.offset, /* len */

		em = create_io_em(BTRFS_I(inode), start, ins.offset, /* len */

				  start, /* orig_start */

				  ins.objectid, /* block_start */

				  ins.offset, /* block_len */
@@ -1700,7 +1700,7 @@ out_check: 
			u64 orig_start = found_key.offset - extent_offset;

			struct extent_map *em;



			em = create_io_em(inode, cur_offset, num_bytes,

			em = create_io_em(BTRFS_I(inode), cur_offset, num_bytes,

					  orig_start,

					  disk_bytenr, /* block_start */

					  num_bytes, /* block_len */
@@ -6861,7 +6861,7 @@ static struct extent_map *btrfs_create_dio_extent(struct inode *inode, 
	int ret;



	if (type != BTRFS_ORDERED_NOCOW) {

		em = create_io_em(inode, start, len, orig_start,

		em = create_io_em(BTRFS_I(inode), start, len, orig_start,

				  block_start, block_len, orig_block_len,

				  ram_bytes,

				  BTRFS_COMPRESS_NONE, /* compress_type */
@@ -7140,8 +7140,8 @@ static int lock_extent_direct(struct inode *inode, u64 lockstart, u64 lockend, 
}



/* The callers of this must take lock_extent() */

static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len,

				       u64 orig_start, u64 block_start,

static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,

				       u64 len, u64 orig_start, u64 block_start,

				       u64 block_len, u64 orig_block_len,

				       u64 ram_bytes, int compress_type,

				       int type)
@@ -7155,7 +7155,7 @@ static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len, 
	       type == BTRFS_ORDERED_NOCOW ||

	       type == BTRFS_ORDERED_REGULAR);



	em_tree = &BTRFS_I(inode)->extent_tree;

	em_tree = &inode->extent_tree;

	em = alloc_extent_map();

	if (!em)

		return ERR_PTR(-ENOMEM);
@@ -7177,7 +7177,7 @@ static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len, 
	}



	do {

		btrfs_drop_extent_cache(BTRFS_I(inode), em->start,

		btrfs_drop_extent_cache(inode, em->start,

					em->start + em->len - 1, 0);

		write_lock(&em_tree->lock);

		ret = add_extent_mapping(em_tree, em, 1);

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