Function report |
Source Code:block\bio.c |
Create Date:2022-07-28 16:55:43 |
| Last Modify:2020-03-17 23:13:58 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:bio_free_pages
Proto:void bio_free_pages(struct bio *bio)
Type:void
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct bio * | bio |
| 1227 | drivers should _never_ use the all version - the bio may have been split* before it got to the driver and the driver won't own all of it(bvec, bio, iter_all) |
| 1228 | __free_page(bv_page) |
| Name | Describe |
|---|---|
| bio_uncopy_user | _uncopy_user - finish previously mapped bio*@bio: bio being terminated* Free pages allocated from bio_copy_user_iov() and write back data* to user space in case of a read. |
| bio_copy_user_iov | _copy_user_iov - copy user data to bio*@q: destination block queue*@map_data: pointer to the rq_map_data holding pages (if necessary)*@iter: iovec iterator*@gfp_mask: memory allocation flags* Prepares and returns a bio for indirect user io, bouncing data |
| bio_copy_kern_endio | |
| bio_copy_kern | _copy_kern - copy kernel address into bio*@q: the struct request_queue for the bio*@data: pointer to buffer to copy*@len: length in bytes*@gfp_mask: allocation flags for bio and page allocation*@reading: data direction is READ* copy the kernel address |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |