[PATCH v2 14/26] btrfs: remove unused function btrfs_bio_fits_in_stripe()

Qu Wenruo
2021-08-29T05:25:23Z

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

Signed-off-by: Qu Wenruo <wqu@suse.com>
---
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 38870ae46cbb..ae7bc867f50e 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3178,8 +3178,6 @@ 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 fdcb1b0fabb8..e8de19c7ad45 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2228,48 +2228,6 @@ 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
--
2.32.0