diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/target/target_core_iblock.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index d43d5eb5ed20..8572eae62da7 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -488,6 +488,13 @@ iblock_get_bio(struct se_task *task, sector_t lba, u32 sg_num) struct iblock_req *ib_req = IBLOCK_REQ(task); struct bio *bio; + /* + * Only allocate as many vector entries as the bio code allows us to, + * we'll loop later on until we have handled the whole request. + */ + if (sg_num > BIO_MAX_PAGES) + sg_num = BIO_MAX_PAGES; + bio = bio_alloc_bioset(GFP_NOIO, sg_num, ib_dev->ibd_bio_set); if (!bio) { pr_err("Unable to allocate memory for bio\n"); |