call_usermodehelper_setup

Name:call_usermodehelper_setup_file

Proto:struct subprocess_info *call_usermodehelper_setup_file(struct file *file, int (*init)(struct subprocess_info *info, struct cred *new), void (*cleanup)(struct subprocess_info *info), void *data)

Type:struct subprocess_info

Parameter:

Type	Parameter	Name
struct file *	file
int (*	init
void (*	cleanup
void *	data

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info = data

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cmdline = If cmdline Then cmdline Else "usermodehelper"

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sub_info = kzalloc - allocate memory. The memory is set to zero.*@size: how many bytes of memory are required.*@flags: the type of memory to allocate (see kmalloc).

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If Not sub_info Then Return NULL

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argv = argv_split - split a string at whitespace, returning an argv*@gfp: the GFP mask used to allocate memory*@str: the string to be split*@argcp: returned argument count* Returns an array of pointers to strings which are split out from*@str

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If Not argv Then

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free previously allocated memory

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Return NULL

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INIT_WORK( & work, We need to create the usermodehelper kernel thread from a task that is affine* to an optimized set of CPUs (or nohz housekeeping ones) such that they* inherit a widest affinity irrespective of call_usermodehelper() callers with)

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path = "none"

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file = file

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init = init

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cleanup = cleanup

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data = data

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Return sub_info

**Caller**
Name	Describe
fork_usermode_blob	rk_usermode_blob - fork a blob of bytes as a usermode process@data: a blob of bytes that can be do_execv-ed as a file@len: length of the blob@info: information about usermode process (shouldn't be NULL) If info->cmdline is set it will be used as

Source code conversion tool public plug-in interface	X
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