diff options
Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index b805afb37fa..86eff48dab7 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -226,8 +226,8 @@ out: * Clear the writeback bits on all of the file * pages for a compressed write */ -static noinline int end_compressed_writeback(struct inode *inode, u64 start, - unsigned long ram_size) +static noinline void end_compressed_writeback(struct inode *inode, u64 start, + unsigned long ram_size) { unsigned long index = start >> PAGE_CACHE_SHIFT; unsigned long end_index = (start + ram_size - 1) >> PAGE_CACHE_SHIFT; @@ -253,7 +253,6 @@ static noinline int end_compressed_writeback(struct inode *inode, u64 start, index += ret; } /* the inode may be gone now */ - return 0; } /* @@ -392,20 +391,21 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, */ atomic_inc(&cb->pending_bios); ret = btrfs_bio_wq_end_io(root->fs_info, bio, 0); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ if (!skip_sum) { ret = btrfs_csum_one_bio(root, inode, bio, start, 1); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ } ret = btrfs_map_bio(root, WRITE, bio, 0, 1); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ bio_put(bio); bio = compressed_bio_alloc(bdev, first_byte, GFP_NOFS); + BUG_ON(!bio); bio->bi_private = cb; bio->bi_end_io = end_compressed_bio_write; bio_add_page(bio, page, PAGE_CACHE_SIZE, 0); @@ -421,15 +421,15 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, bio_get(bio); ret = btrfs_bio_wq_end_io(root->fs_info, bio, 0); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ if (!skip_sum) { ret = btrfs_csum_one_bio(root, inode, bio, start, 1); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ } ret = btrfs_map_bio(root, WRITE, bio, 0, 1); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ bio_put(bio); return 0; @@ -497,7 +497,7 @@ static noinline int add_ra_bio_pages(struct inode *inode, * sure they map to this compressed extent on disk. */ set_page_extent_mapped(page); - lock_extent(tree, last_offset, end, GFP_NOFS); + lock_extent(tree, last_offset, end); read_lock(&em_tree->lock); em = lookup_extent_mapping(em_tree, last_offset, PAGE_CACHE_SIZE); @@ -507,7 +507,7 @@ static noinline int add_ra_bio_pages(struct inode *inode, (last_offset + PAGE_CACHE_SIZE > extent_map_end(em)) || (em->block_start >> 9) != cb->orig_bio->bi_sector) { free_extent_map(em); - unlock_extent(tree, last_offset, end, GFP_NOFS); + unlock_extent(tree, last_offset, end); unlock_page(page); page_cache_release(page); break; @@ -535,7 +535,7 @@ static noinline int add_ra_bio_pages(struct inode *inode, nr_pages++; page_cache_release(page); } else { - unlock_extent(tree, last_offset, end, GFP_NOFS); + unlock_extent(tree, last_offset, end); unlock_page(page); page_cache_release(page); break; @@ -662,7 +662,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, bio_get(comp_bio); ret = btrfs_bio_wq_end_io(root->fs_info, comp_bio, 0); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ /* * inc the count before we submit the bio so @@ -675,19 +675,20 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) { ret = btrfs_lookup_bio_sums(root, inode, comp_bio, sums); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ } sums += (comp_bio->bi_size + root->sectorsize - 1) / root->sectorsize; ret = btrfs_map_bio(root, READ, comp_bio, mirror_num, 0); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ bio_put(comp_bio); comp_bio = compressed_bio_alloc(bdev, cur_disk_byte, GFP_NOFS); + BUG_ON(!comp_bio); comp_bio->bi_private = cb; comp_bio->bi_end_io = end_compressed_bio_read; @@ -698,15 +699,15 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, bio_get(comp_bio); ret = btrfs_bio_wq_end_io(root->fs_info, comp_bio, 0); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) { ret = btrfs_lookup_bio_sums(root, inode, comp_bio, sums); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ } ret = btrfs_map_bio(root, READ, comp_bio, mirror_num, 0); - BUG_ON(ret); + BUG_ON(ret); /* -ENOMEM */ bio_put(comp_bio); return 0; @@ -734,7 +735,7 @@ struct btrfs_compress_op *btrfs_compress_op[] = { &btrfs_lzo_compress, }; -int __init btrfs_init_compress(void) +void __init btrfs_init_compress(void) { int i; @@ -744,7 +745,6 @@ int __init btrfs_init_compress(void) atomic_set(&comp_alloc_workspace[i], 0); init_waitqueue_head(&comp_workspace_wait[i]); } - return 0; } /* |