diff options
Diffstat (limited to 'fs/btrfs/inode.c')
-rw-r--r-- | fs/btrfs/inode.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index c2c96acaf2fc..d54bdef16d8d 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1870,16 +1870,21 @@ void btrfs_clear_delalloc_extent(struct inode *vfs_inode, } /* - * Merge bio hook, this must check the chunk tree to make sure we don't create - * bios that span stripes or chunks + * 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 * - * return 1 if page cannot be merged to bio - * return 0 if page can be merged to bio + * @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_merge_bio_hook(struct page *page, unsigned long offset, - size_t size, struct bio *bio, - unsigned long bio_flags) +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); |