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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (209 commits)
  [SCSI] fix oops during scsi scanning
  [SCSI] libsrp: fix memory leak in srp_ring_free()
  [SCSI] libiscsi, bnx2i: make bound ep check common
  [SCSI] libiscsi: add completion function for drivers that do not need pdu processing
  [SCSI] scsi_dh_rdac: changes for rdac debug logging
  [SCSI] scsi_dh_rdac: changes to collect the rdac debug information during the initialization
  [SCSI] scsi_dh_rdac: move the init code from rdac_activate to rdac_bus_attach
  [SCSI] sg: fix oops in the error path in sg_build_indirect()
  [SCSI] mptsas : Bump version to 3.04.12
  [SCSI] mptsas : FW event thread and scsi mid layer deadlock in SYNCHRONIZE CACHE command
  [SCSI] mptsas : Send DID_NO_CONNECT for pending IOs of removed device
  [SCSI] mptsas : PAE Kernel more than 4 GB kernel panic
  [SCSI] mptsas : NULL pointer on big endian systems causing Expander not to tear off
  [SCSI] mptsas : Sanity check for phyinfo is added
  [SCSI] scsi_dh_rdac: Add support for Sun StorageTek ST2500, ST2510 and ST2530
  [SCSI] pmcraid: PMC-Sierra MaxRAID driver to support 6Gb/s SAS RAID controller
  [SCSI] qla2xxx: Update version number to 8.03.01-k6.
  [SCSI] qla2xxx: Properly delete rports attached to a vport.
  [SCSI] qla2xxx: Correct various NPIV issues.
  [SCSI] qla2xxx: Correct qla2x00_eh_wait_on_command() to wait correctly.
  ...
This commit is contained in:
Linus Torvalds 2009-09-14 17:53:36 -07:00
commit 39695224bd
112 changed files with 14377 additions and 4867 deletions
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42
drivers/md/dm-mpath.c
View file

@ -64,6 +64,7 @@ struct multipath {
spinlock_t lock;
const char *hw_handler_name;
char *hw_handler_params;
unsigned nr_priority_groups;
struct list_head priority_groups;
unsigned pg_init_required; /* pg_init needs calling? */
@ -219,6 +220,7 @@ static void free_multipath(struct multipath *m)
}
kfree(m->hw_handler_name);
kfree(m->hw_handler_params);
mempool_destroy(m->mpio_pool);
kfree(m);
}
@ -615,6 +617,17 @@ static struct pgpath *parse_path(struct arg_set *as, struct path_selector *ps,
dm_put_device(ti, p->path.dev);
goto bad;
}
if (m->hw_handler_params) {
r = scsi_dh_set_params(q, m->hw_handler_params);
if (r < 0) {
ti->error = "unable to set hardware "
"handler parameters";
scsi_dh_detach(q);
dm_put_device(ti, p->path.dev);
goto bad;
}
}
}
r = ps->type->add_path(ps, &p->path, as->argc, as->argv, &ti->error);
@ -705,6 +718,7 @@ static struct priority_group *parse_priority_group(struct arg_set *as,
static int parse_hw_handler(struct arg_set *as, struct multipath *m)
{
unsigned hw_argc;
int ret;
struct dm_target *ti = m->ti;
static struct param _params[] = {
@ -726,17 +740,33 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m)
request_module("scsi_dh_%s", m->hw_handler_name);
if (scsi_dh_handler_exist(m->hw_handler_name) == 0) {
ti->error = "unknown hardware handler type";
kfree(m->hw_handler_name);
m->hw_handler_name = NULL;
return -EINVAL;
ret = -EINVAL;
goto fail;
}
if (hw_argc > 1)
DMWARN("Ignoring user-specified arguments for "
"hardware handler \"%s\"", m->hw_handler_name);
if (hw_argc > 1) {
char *p;
int i, j, len = 4;
for (i = 0; i <= hw_argc - 2; i++)
len += strlen(as->argv[i]) + 1;
p = m->hw_handler_params = kzalloc(len, GFP_KERNEL);
if (!p) {
ti->error = "memory allocation failed";
ret = -ENOMEM;
goto fail;
}
j = sprintf(p, "%d", hw_argc - 1);
for (i = 0, p+=j+1; i <= hw_argc - 2; i++, p+=j+1)
j = sprintf(p, "%s", as->argv[i]);
}
consume(as, hw_argc - 1);
return 0;
fail:
kfree(m->hw_handler_name);
m->hw_handler_name = NULL;
return ret;
}
static int parse_features(struct arg_set *as, struct multipath *m)