blkg_async_bio_workfn

Name:blkg_async_bio_workfn

Proto:static void blkg_async_bio_workfn(struct work_struct *work)

Type:void

Parameter:

Type	Parameter	Name
struct work_struct *	work

121

blkg = container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(work, structblkcg_gq, async_bio_work)

123

bios = BIO_EMPTY_LIST

127

spin_lock_bh( & async_bio_lock)

128

bio_list_merge( & bios, & async_bios)

129

bio_list_init( & async_bios)

130

spin_unlock_bh( & async_bio_lock)

132

When bio = bio_list_pop( & bios) cycle

133

submit_bio - submit a bio to the block device layer for I/O*@bio: The &struct bio which describes the I/O* submit_bio() is very similar in purpose to generic_make_request(), and* uses that function to do most of the work. Both are fairly rough

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