UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

SCSI fixes on 20120910 

This set consist of three minor and one fairly major (the device not ready
 causing offlining problem which is a serious regression introduced by the
 media change update) fixes.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.18 (GNU/Linux)
 
 iQEcBAABAgAGBQJQThAIAAoJEDeqqVYsXL0MHq8H/2o01bXbTSK8aPzWBhTBmoxE
 HKP6uOvsO8P7oAeGLdqY5Pl8yx0hFA5qTiBIEPJnXIObdstNuKYsJNdc3ZywxL7o
 pFEJkMkDyGueVP3IADC+00YCfRPkpuoQBkuY1YIFwDwS190spxsLpNebvsW8fGtM
 aKb1qVq9IrATLBVlOJsY6hn5GfF5p9Mu5jaHVQ+QvyrJNngr5igJyKxrKZT8qdnA
 A2nMBcrsYh3oBWtIWg4E68iNBc32o6ur3OKNNLeKFVit1h05TOERloEqaZLE+NY3
 e+aZlMt4pdBtGQQBz0ckM/vCQq7+H3Mi673UpUE5DlSfSdUJZrNSjfL9Ox6HzsI=
 =BpBo
 -----END PGP SIGNATURE-----

Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "I had actually prepared this fix set before I left for KS + Plumbers,
  so it's been incubating much longer than it should have.  I'll be
  picking up my three week backlog this week, so more fixes will then be
  forthcoming

  This set consist of three minor and one fairly major (the device not
  ready causing offlining problem which is a serious regression
  introduced by the media change update) fixes.

  Signed-off-by: James Bottomley <JBottomley@Parallels.com>"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] Fix 'Device not ready' issue on mpt2sas
  [SCSI] scsi_lib: fix scsi_io_completion's SG_IO error propagation
  [SCSI] megaraid_sas: Move poll_aen_lock initializer
  [SCSI] mpt2sas: Fix for Driver oops, when loading driver with max_queue_depth command line option to a very small value
This commit is contained in:
Linus Torvalds 2012-09-11 09:31:26 +08:00
parent ffc2964918 14216561e1
commit 1a95620f45
5 changed files with 34 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/scsi/megaraid/megaraid_sas_base.c
View File

@ -4066,7 +4066,6 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
spin_lock_init(&instance->cmd_pool_lock);
spin_lock_init(&instance->hba_lock);
spin_lock_init(&instance->completion_lock);
spin_lock_init(&poll_aen_lock);
mutex_init(&instance->aen_mutex);
mutex_init(&instance->reset_mutex);
@ -5392,6 +5391,8 @@ static int __init megasas_init(void)
printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION,
MEGASAS_EXT_VERSION);
spin_lock_init(&poll_aen_lock);
support_poll_for_event = 2;
support_device_change = 1;

13
drivers/scsi/mpt2sas/mpt2sas_base.c
View File

@ -2424,10 +2424,13 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
}
/* command line tunables for max controller queue depth */
if (max_queue_depth != -1)
max_request_credit = (max_queue_depth < facts->RequestCredit)
? max_queue_depth : facts->RequestCredit;
else
if (max_queue_depth != -1 && max_queue_depth != 0) {
max_request_credit = min_t(u16, max_queue_depth +
ioc->hi_priority_depth + ioc->internal_depth,
facts->RequestCredit);
if (max_request_credit > MAX_HBA_QUEUE_DEPTH)
max_request_credit = MAX_HBA_QUEUE_DEPTH;
} else
max_request_credit = min_t(u16, facts->RequestCredit,
MAX_HBA_QUEUE_DEPTH);
@ -2502,7 +2505,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
/* set the scsi host can_queue depth
* with some internal commands that could be outstanding
*/
ioc->shost->can_queue = ioc->scsiio_depth - (2);
ioc->shost->can_queue = ioc->scsiio_depth;
dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: "
"can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue));

10
drivers/scsi/scsi_error.c
View File

@ -42,6 +42,8 @@
#include <trace/events/scsi.h>
static void scsi_eh_done(struct scsi_cmnd *scmd);
#define SENSE_TIMEOUT (10*HZ)
/*
@ -241,6 +243,14 @@ static int scsi_check_sense(struct scsi_cmnd *scmd)
if (! scsi_command_normalize_sense(scmd, &sshdr))
return FAILED; /* no valid sense data */
if (scmd->cmnd[0] == TEST_UNIT_READY && scmd->scsi_done != scsi_eh_done)
/*
* nasty: for mid-layer issued TURs, we need to return the
* actual sense data without any recovery attempt. For eh
* issued ones, we need to try to recover and interpret
*/
return SUCCESS;
if (scsi_sense_is_deferred(&sshdr))
return NEEDS_RETRY;

5
drivers/scsi/scsi_lib.c
View File

@ -776,7 +776,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
}
if (req->cmd_type == REQ_TYPE_BLOCK_PC) { /* SG_IO ioctl from block level */
req->errors = result;
if (result) {
if (sense_valid && req->sense) {
/*
@ -792,6 +791,10 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
if (!sense_deferred)
error = __scsi_error_from_host_byte(cmd, result);
}
/*
* __scsi_error_from_host_byte may have reset the host_byte
*/
req->errors = cmd->result;
req->resid_len = scsi_get_resid(cmd);

10
drivers/scsi/scsi_scan.c
View File

@ -764,6 +764,16 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
sdev->model = (char *) (sdev->inquiry + 16);
sdev->rev = (char *) (sdev->inquiry + 32);
if (strncmp(sdev->vendor, "ATA ", 8) == 0) {
/*
* sata emulation layer device. This is a hack to work around
* the SATL power management specifications which state that
* when the SATL detects the device has gone into standby
* mode, it shall respond with NOT READY.
*/
sdev->allow_restart = 1;
}
if (*bflags & BLIST_ISROM) {
sdev->type = TYPE_ROM;
sdev->removable = 1;