If you have a sili(4) or ahci(4), I'd appreciate a quick test of the diff below. As long as you can still mount your disks without panicking, then it worked. :)
One test for each is sufficient, so please reply to the list to save others from redundant effort. Index: ata/atascsi.c =================================================================== RCS file: /home/mdempsky/anoncvs/cvs/src/sys/dev/ata/atascsi.c,v retrieving revision 1.104 diff -u -p -r1.104 atascsi.c --- ata/atascsi.c 5 May 2011 19:23:05 -0000 1.104 +++ ata/atascsi.c 6 May 2011 17:41:20 -0000 @@ -1590,10 +1590,12 @@ atascsi_io_get(void *cookie) void atascsi_io_put(void *cookie, void *io) { - struct ata_xfer *xa = io; + struct atascsi_host_port *ahp = cookie; + struct atascsi *as = ahp->ahp_as; + struct ata_xfer *xa = io; xa->state = ATA_S_COMPLETE; /* XXX this state machine is dumb */ - xa->ata_put_xfer(xa); + as->as_methods->ata_put_xfer(xa); } void Index: ata/atascsi.h =================================================================== RCS file: /home/mdempsky/anoncvs/cvs/src/sys/dev/ata/atascsi.h,v retrieving revision 1.45 diff -u -p -r1.45 atascsi.h --- ata/atascsi.h 26 Jan 2011 21:41:00 -0000 1.45 +++ ata/atascsi.h 5 May 2011 19:33:35 -0000 @@ -18,6 +18,9 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#ifndef _DEV_ATA_ATASCSI_H_ +#define _DEV_ATA_ATASCSI_H_ + struct atascsi; struct scsi_link; @@ -327,8 +330,6 @@ struct ata_xfer { void *atascsi_private; int pmp_port; - - void (*ata_put_xfer)(struct ata_xfer *); }; /* @@ -339,6 +340,7 @@ struct atascsi_methods { int (*probe)(void *, int, int); void (*free)(void *, int, int); struct ata_xfer * (*ata_get_xfer)(void *, int); + void (*ata_put_xfer)(struct ata_xfer *); void (*ata_cmd)(struct ata_xfer *); }; @@ -368,3 +370,5 @@ int atascsi_probe_dev(struct atascsi *, int atascsi_detach_dev(struct atascsi *, int, int, int); void ata_complete(struct ata_xfer *); + +#endif /* _DEV_ATA_ATASCSI_H_ */ Index: ic/sili.c =================================================================== RCS file: /home/mdempsky/anoncvs/cvs/src/sys/dev/ic/sili.c,v retrieving revision 1.47 diff -u -p -r1.47 sili.c --- ic/sili.c 26 Jan 2011 21:41:00 -0000 1.47 +++ ic/sili.c 5 May 2011 19:34:11 -0000 @@ -211,6 +211,7 @@ struct atascsi_methods sili_atascsi_meth sili_ata_probe, sili_ata_free, sili_ata_get_xfer, + sili_ata_put_xfer, sili_ata_cmd }; @@ -833,7 +834,6 @@ sili_ccb_alloc(struct sili_port *sp) ccb->ccb_xa.fis = (struct ata_fis_h2d *)&prb->fis; ccb->ccb_xa.packetcmd = ((struct sili_prb_packet *)prb)->cdb; ccb->ccb_xa.tag = i; - ccb->ccb_xa.ata_put_xfer = sili_ata_put_xfer; ccb->ccb_xa.state = ATA_S_COMPLETE; sili_put_ccb(ccb); Index: pci/ahci.c =================================================================== RCS file: /home/mdempsky/anoncvs/cvs/src/sys/dev/pci/ahci.c,v retrieving revision 1.177 diff -u -p -r1.177 ahci.c --- pci/ahci.c 24 Apr 2011 11:09:48 -0000 1.177 +++ pci/ahci.c 5 May 2011 19:33:58 -0000 @@ -622,6 +622,7 @@ struct atascsi_methods ahci_atascsi_meth ahci_ata_probe, ahci_ata_free, ahci_ata_get_xfer, + ahci_ata_put_xfer, ahci_ata_cmd }; @@ -1227,8 +1228,6 @@ nomem: (struct ata_fis_h2d *)ccb->ccb_cmd_table->cfis; ccb->ccb_xa.packetcmd = ccb->ccb_cmd_table->acmd; ccb->ccb_xa.tag = i; - - ccb->ccb_xa.ata_put_xfer = ahci_ata_put_xfer; ccb->ccb_xa.state = ATA_S_COMPLETE; ahci_put_ccb(ccb);