spdk_bdev_io Struct Reference

Collaboration diagram for spdk_bdev_io:

Data Fields
struct spdk_bdev *	bdev
	The block device that this I/O belongs to.
uint8_t	type
	Enumerated value representing the I/O type.
uint8_t	reserved0
uint16_t	num_retries
	Number of IO submission retries.
uint32_t	reserved1
struct iovec	iov
	A single iovec element for use by this bdev_io.
struct iovec	child_iov [SPDK_BDEV_IO_NUM_CHILD_IOV]
	Array of iovecs used for I/O splitting.
uint8_t	reserved2 [32]
union {
struct spdk_bdev_io_block_params   bdev
struct spdk_bdev_io_reset_params   reset
struct spdk_bdev_io_abort_params   abort
struct spdk_bdev_io_nvme_passthru_params   nvme_passthru
struct spdk_bdev_io_zone_mgmt_params   zone_mgmt
}	u
	Parameters filled in by the user.
uint64_t	reserved3
struct spdk_bdev_io_internal_fields	internal
	Fields that are used internally by the bdev subsystem.
uint8_t	driver_ctx [0]
	Per I/O context for use by the bdev module.

Field Documentation

internal

struct spdk_bdev_io_internal_fields spdk_bdev_io::internal

Fields that are used internally by the bdev subsystem.

Bdev modules must not read or write to these fields.

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The documentation for this struct was generated from the following file:

• bdev_module.h