queue_io

Name:Queue all expired dirty inodes for io, eldest first.* Before* newly dirtied b_dirty b_io b_more_io* =============> gf edc BA* After* newly dirtied b_dirty b_io b_more_io* =============> g fBAedc* |* +--> dequeue for IO

Proto:static void queue_io(struct bdi_writeback *wb, struct wb_writeback_work *work)

Type:void

Parameter:

Type	Parameter	Name
struct bdi_writeback *	wb
struct wb_writeback_work *	work

1296

assert_spin_locked( & protects the b_* lists )

1297

list_splice_init - join two lists and reinitialise the emptied list.*@list: the new list to add.*@head: the place to add it in the first list.* The list at @list is reinitialised

1298

moved = Move expired (dirtied before work->older_than_this) dirty inodes from*@delaying_queue to @dispatch_queue.

1299

moved += Move expired (dirtied before work->older_than_this) dirty inodes from*@delaying_queue to @dispatch_queue.

1301

If moved Then wb_io_lists_populated(wb)

1303

trace_writeback_queue_io(wb, work, moved)

**Caller**
Name	Describe
writeback_inodes_wb
wb_writeback	Explicit flushing or periodic writeback of "old" data

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Function report