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btrfs: remove unused function btrfs_bio_fits_in_stripe()

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As the last caller in compression.c has been removed, we don't need that
function anymore.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2021-09-27 15:21:56 +08:00 committed by David Sterba
parent 9150724048
commit 6aabd85835
2 changed files with 0 additions and 44 deletions
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2
fs/btrfs/ctree.h
View File

@ -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);

42
fs/btrfs/inode.c
View File

@ -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