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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

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This commit is contained in:
David S. Miller 2008-04-17 23:56:30 -07:00
commit 1e42198609
346 changed files with 8374 additions and 5833 deletions
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1
drivers/block/cciss.c
View file

@ -50,6 +50,7 @@
#include <scsi/sg.h>
#include <scsi/scsi_ioctl.h>
#include <linux/cdrom.h>
#include <linux/scatterlist.h>
#define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin))
#define DRIVER_NAME "HP CISS Driver (v 3.6.14)"

38
drivers/block/ub.c
View file

@ -8,6 +8,7 @@
* and is not licensed separately. See file COPYING for details.
*
* TODO (sorted by decreasing priority)
* -- Return sense now that rq allows it (we always auto-sense anyway).
* -- set readonly flag for CDs, set removable flag for CF readers
* -- do inquiry and verify we got a disk and not a tape (for LUN mismatch)
* -- verify the 13 conditions and do bulk resets
@ -359,7 +360,8 @@ static void ub_cmd_build_block(struct ub_dev *sc, struct ub_lun *lun,
static void ub_cmd_build_packet(struct ub_dev *sc, struct ub_lun *lun,
struct ub_scsi_cmd *cmd, struct ub_request *urq);
static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd);
static void ub_end_rq(struct request *rq, unsigned int status);
static void ub_end_rq(struct request *rq, unsigned int status,
unsigned int cmd_len);
static int ub_rw_cmd_retry(struct ub_dev *sc, struct ub_lun *lun,
struct ub_request *urq, struct ub_scsi_cmd *cmd);
static int ub_submit_scsi(struct ub_dev *sc, struct ub_scsi_cmd *cmd);
@ -642,13 +644,13 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq)
if (atomic_read(&sc->poison)) {
blkdev_dequeue_request(rq);
ub_end_rq(rq, DID_NO_CONNECT << 16);
ub_end_rq(rq, DID_NO_CONNECT << 16, blk_rq_bytes(rq));
return 0;
}
if (lun->changed && !blk_pc_request(rq)) {
blkdev_dequeue_request(rq);
ub_end_rq(rq, SAM_STAT_CHECK_CONDITION);
ub_end_rq(rq, SAM_STAT_CHECK_CONDITION, blk_rq_bytes(rq));
return 0;
}
@ -701,7 +703,7 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq)
drop:
ub_put_cmd(lun, cmd);
ub_end_rq(rq, DID_ERROR << 16);
ub_end_rq(rq, DID_ERROR << 16, blk_rq_bytes(rq));
return 0;
}
@ -770,6 +772,7 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
struct ub_request *urq = cmd->back;
struct request *rq;
unsigned int scsi_status;
unsigned int cmd_len;
rq = urq->rq;
@ -779,8 +782,18 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
rq->data_len = 0;
else
rq->data_len -= cmd->act_len;
scsi_status = 0;
} else {
if (cmd->act_len != cmd->len) {
if ((cmd->key == MEDIUM_ERROR ||
cmd->key == UNIT_ATTENTION) &&
ub_rw_cmd_retry(sc, lun, urq, cmd) == 0)
return;
scsi_status = SAM_STAT_CHECK_CONDITION;
} else {
scsi_status = 0;
}
}
scsi_status = 0;
} else {
if (blk_pc_request(rq)) {
/* UB_SENSE_SIZE is smaller than SCSI_SENSE_BUFFERSIZE */
@ -801,14 +814,17 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
urq->rq = NULL;
cmd_len = cmd->len;
ub_put_cmd(lun, cmd);
ub_end_rq(rq, scsi_status);
ub_end_rq(rq, scsi_status, cmd_len);
blk_start_queue(lun->disk->queue);
}
static void ub_end_rq(struct request *rq, unsigned int scsi_status)
static void ub_end_rq(struct request *rq, unsigned int scsi_status,
unsigned int cmd_len)
{
int error;
long rqlen;
if (scsi_status == 0) {
error = 0;
@ -816,8 +832,12 @@ static void ub_end_rq(struct request *rq, unsigned int scsi_status)
error = -EIO;
rq->errors = scsi_status;
}
if (__blk_end_request(rq, error, blk_rq_bytes(rq)))
BUG();
rqlen = blk_rq_bytes(rq); /* Oddly enough, this is the residue. */
if (__blk_end_request(rq, error, cmd_len)) {
printk(KERN_WARNING DRV_NAME
": __blk_end_request blew, %s-cmd total %u rqlen %ld\n",
blk_pc_request(rq)? "pc": "fs", cmd_len, rqlen);
}
}
static int ub_rw_cmd_retry(struct ub_dev *sc, struct ub_lun *lun,