drivers/md/dm-thin.c

7 #include "dm-thin-metadata.h"
25 #define	DM_MSG_PREFIX	"thin"
336  * Target context for a thin.
357 	 * Ensures the thin is not destroyed until the worker has finished
671  * This section of code contains the logic for processing a thin device's IO.
673  * but most is exclusively called from the thin target rather than the thin-pool
2310  * find a thin with the rcu lock held; bump a refcount; then drop
2657  * Called only while mapping a thin bio to hand it over to the workqueue.
2704  * Non-blocking function called from the thin target's map function.
3256 	 * 4M is ample for all ops with the possible exception of thin  in calc_metadata_threshold()
3265  * thin-pool <metadata dev> <data dev>
3366 	 * initial load.  This would require a pool reload to trigger thin  in pool_ctr()
3385 	 * them down to the data device.  The thin device's discard  in pool_ctr()
3394 		 * thin devices' discard limits consistent).  in pool_ctr()
3587 	/* Suspend all active thin devices */  in pool_suspend_active_thins()
3599 	/* Resume all active thin devices */  in pool_resume_active_thins()
3751 		DMWARN("Deletion of thin device %s failed.", argv[1]);  in process_delete_mesg()
3858 		DMWARN("Unrecognised thin pool target message received: %s", argv[0]);  in pool_message()
4091 	.name = "thin-pool",
4111  * Thin target methods
4149  * Thin target parameters:
4157  * If the pool device has discards disabled, they get disabled for the thin
4232 		ti->error = "Couldn't open thin device, Pool is in fail mode";  in thin_ctr()
4239 		ti->error = "Couldn't open thin internal device";  in thin_ctr()
4263 		ti->error = "Unable to activate thin device while pool is suspended";  in thin_ctr()
4470 	.name = "thin",
4531 MODULE_DESCRIPTION(DM_NAME " thin provisioning target");