diff --git a/fs/iomap/ioend.c b/fs/iomap/ioend.c index 30468d51b5ad..fb636dce43af 100644 --- a/fs/iomap/ioend.c +++ b/fs/iomap/ioend.c @@ -13,6 +13,7 @@ struct bio_set iomap_ioend_bioset; EXPORT_SYMBOL_GPL(iomap_ioend_bioset); +static struct bio_set iomap_ioend_split_bioset; struct iomap_ioend *iomap_init_ioend(struct inode *inode, struct bio *bio, loff_t file_offset, u16 ioend_flags) @@ -488,7 +489,8 @@ struct iomap_ioend *iomap_split_ioend(struct iomap_ioend *ioend, sector_offset = ALIGN_DOWN(sector_offset << SECTOR_SHIFT, i_blocksize(ioend->io_inode)) >> SECTOR_SHIFT; - split = bio_split(bio, sector_offset, GFP_NOFS, &iomap_ioend_bioset); + split = bio_split(bio, sector_offset, GFP_NOFS, + &iomap_ioend_split_bioset); if (IS_ERR(split)) return ERR_CAST(split); split->bi_private = bio->bi_private; @@ -511,8 +513,23 @@ EXPORT_SYMBOL_GPL(iomap_split_ioend); static int __init iomap_ioend_init(void) { - return bioset_init(&iomap_ioend_bioset, 4 * (PAGE_SIZE / SECTOR_SIZE), + const unsigned int nr_mempool_entries = 4 * (PAGE_SIZE / SECTOR_SIZE); + int error; + + error = bioset_init(&iomap_ioend_bioset, nr_mempool_entries, offsetof(struct iomap_ioend, io_bio), BIOSET_NEED_BVECS); + if (error) + return error; + error = bioset_init(&iomap_ioend_split_bioset, nr_mempool_entries, + offsetof(struct iomap_ioend, io_bio), + BIOSET_NEED_BVECS); + if (error) + goto out_exit_ioend_bioset; + return 0; + +out_exit_ioend_bioset: + bioset_exit(&iomap_ioend_bioset); + return error; } fs_initcall(iomap_ioend_init);