From 6aabd85835dd20808ee289586f5fb2ad1241ce81 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Mon, 27 Sep 2021 15:21:56 +0800 Subject: [PATCH] btrfs: remove unused function btrfs_bio_fits_in_stripe() As the last caller in compression.c has been removed, we don't need that function anymore. Signed-off-by: Qu Wenruo Signed-off-by: David Sterba --- fs/btrfs/ctree.h | 2 -- fs/btrfs/inode.c | 42 ------------------------------------------ 2 files changed, 44 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index ad674f092b4e..2fb177f1de31 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3220,8 +3220,6 @@ void btrfs_merge_delalloc_extent(struct inode *inode, struct extent_state *new, struct extent_state *other); void btrfs_split_delalloc_extent(struct inode *inode, struct extent_state *orig, u64 split); -int btrfs_bio_fits_in_stripe(struct page *page, size_t size, struct bio *bio, - unsigned long bio_flags); void btrfs_set_range_writeback(struct btrfs_inode *inode, u64 start, u64 end); vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf); int btrfs_readpage(struct file *file, struct page *page); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 2dc064903528..be9e07825531 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2233,48 +2233,6 @@ void btrfs_clear_delalloc_extent(struct inode *vfs_inode, } } -/* - * btrfs_bio_fits_in_stripe - Checks whether the size of the given bio will fit - * in a chunk's stripe. This function ensures that bios do not span a - * stripe/chunk - * - * @page - The page we are about to add to the bio - * @size - size we want to add to the bio - * @bio - bio we want to ensure is smaller than a stripe - * @bio_flags - flags of the bio - * - * return 1 if page cannot be added to the bio - * return 0 if page can be added to the bio - * return error otherwise - */ -int btrfs_bio_fits_in_stripe(struct page *page, size_t size, struct bio *bio, - unsigned long bio_flags) -{ - struct inode *inode = page->mapping->host; - struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - u64 logical = bio->bi_iter.bi_sector << 9; - u32 bio_len = bio->bi_iter.bi_size; - struct extent_map *em; - int ret = 0; - struct btrfs_io_geometry geom; - - if (bio_flags & EXTENT_BIO_COMPRESSED) - return 0; - - em = btrfs_get_chunk_map(fs_info, logical, fs_info->sectorsize); - if (IS_ERR(em)) - return PTR_ERR(em); - ret = btrfs_get_io_geometry(fs_info, em, btrfs_op(bio), logical, &geom); - if (ret < 0) - goto out; - - if (geom.len < bio_len + size) - ret = 1; -out: - free_extent_map(em); - return ret; -} - /* * in order to insert checksums into the metadata in large chunks, * we wait until bio submission time. All the pages in the bio are -- GitLab