blk_dev_init

Name:blk_dev_init

Proto:int __init blk_dev_init(void)

Type:int

Parameter:Nothing

1797

BUILD_BUG_ON - break compile if a condition is true(REQ_OP_LAST >= (1 << Operations and flags common to the bio and request structures))

1798

BUILD_BUG_ON - break compile if a condition is true(Operations and flags common to the bio and request structures + REQ_FLAG_BITS > 8 * sizeof_field(TYPE, MEMBER)*@TYPE: The structure containing the field of interest*@MEMBER: The field to return the size of(structrequest, cmd_flags))

1800

BUILD_BUG_ON - break compile if a condition is true(Operations and flags common to the bio and request structures + REQ_FLAG_BITS > 8 * sizeof_field(TYPE, MEMBER)*@TYPE: The structure containing the field of interest*@MEMBER: The field to return the size of(structbio, bi_opf))

1804

Controlling structure to kblockd = alloc_workqueue("kblockd", WQ_MEM_RECLAIM | WQ_HIGHPRI, 0)

1806

If Not Controlling structure to kblockd Then panic - halt the system*@fmt: The text string to print* Display a message, then perform cleanups.* This function never returns.

1809

For queue allocation = kmem_cache_create - Create a cache.*@name: A string which is used in /proc/slabinfo to identify this cache.*@size: The size of objects to be created in this cache.*@align: The required alignment for the objects.*@flags: SLAB flags

1816

Return 0

**Caller**
Name	Describe
genhd_device_init

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