Function report |
Source Code:block\scsi_ioctl.c |
Create Date:2022-07-28 17:36:08 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:blk_fill_sghdr_rq
Proto:static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq, struct sg_io_hdr *hdr, fmode_t mode)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct request_queue * | q | |
struct request * | rq | |
struct sg_io_hdr * | hdr | |
fmode_t | mode |
223 | If copy_from_user(cmd, [i], [*i] points to command to perform , [i] SCSI command length ) Then Return -EFAULT |
225 | If blk_verify_command(cmd, mode) Then Return -EPERM |
234 | If Not timeout Then timeout = * sg stuff |
236 | If Not timeout Then timeout = default timeout for SG_IO if none specified |
238 | If timeout < BLK_MIN_SG_TIMEOUT Then timeout = BLK_MIN_SG_TIMEOUT |
241 | Return 0 |
Name | Describe |
---|---|
sg_io |
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