bio_alloc

Name:bio_alloc

Proto:static inline struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs)

Type:struct bio

Parameter:

Type	Parameter	Name
gfp_t	gfp_mask
unsigned int	nr_iovecs

400

Return _alloc_bioset - allocate a bio for I/O*@gfp_mask: the GFP_* mask given to the slab allocator*@nr_iovecs: number of iovecs to pre-allocate*@bs: the bio_set to allocate from

**Caller**
Name	Describe
hib_submit_io
get_swap_bio
blkdev_issue_flush	lkdev_issue_flush - queue a flush@bdev: blockdev to issue flush for@gfp_mask: memory allocation flags (for bio_alloc)@error_sector: error sector Description:* Issue a flush for the block device in question
blk_next_bio
submit_bh_wbc
__blkdev_direct_IO
dio_bio_alloc
mpage_alloc
fscrypt_zeroout_range
iomap_readpage_actor
iomap_chain_bio	Allocate a new bio, and chain the old bio to the new one.* Note that we have to do perform the chaining in this unintuitive order* so that the bi_private linkage is set up in the right direction for the* traversal in iomap_finish_ioend().
iomap_dio_zero
iomap_dio_bio_actor

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