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staging: lustre: lmv: remove unused placement parameter

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Remove the unused lmv.*.placement parameter along with supporting
functions and struct members.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7674
Reviewed-on: http://review.whamcloud.com/18019
Reviewed-by: Ben Evans <bevans@cray.com>
Reviewed-by: Frank Zago <fzago@cray.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John L. Hammond
2017-01-28 19:04:51 -05:00
committed by Greg Kroah-Hartman
parent 3cd9714d45
commit 24eac929de
3 changed files with 0 additions and 77 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/staging/lustre/lustre/include/obd.h
View File

@@ -403,18 +403,10 @@ struct lmv_tgt_desc {
unsigned long ltd_active:1; /* target up for requests */
};
enum placement_policy {
PLACEMENT_CHAR_POLICY = 0,
PLACEMENT_NID_POLICY = 1,
PLACEMENT_INVAL_POLICY = 2,
PLACEMENT_MAX_POLICY
};
struct lmv_obd {
int refcount;
struct lu_client_fld lmv_fld;
spinlock_t lmv_lock;
enum placement_policy lmv_placement;
struct lmv_desc desc;
struct obd_uuid cluuid;
struct obd_export *exp;

1
drivers/staging/lustre/lustre/lmv/lmv_obd.c
View File

@@ -1284,7 +1284,6 @@ static int lmv_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
lmv->desc.ld_active_tgt_count = 0;
lmv->max_def_easize = 0;
lmv->max_easize = 0;
lmv->lmv_placement = PLACEMENT_CHAR_POLICY;
spin_lock_init(&lmv->lmv_lock);
mutex_init(&lmv->lmv_init_mutex);

68
drivers/staging/lustre/lustre/lmv/lproc_lmv.c
View File

@@ -50,73 +50,6 @@ static ssize_t numobd_show(struct kobject *kobj, struct attribute *attr,
}
LUSTRE_RO_ATTR(numobd);
static const char *placement_name[] = {
[PLACEMENT_CHAR_POLICY] = "CHAR",
[PLACEMENT_NID_POLICY] = "NID",
[PLACEMENT_INVAL_POLICY] = "INVAL"
};
static enum placement_policy placement_name2policy(char *name, int len)
{
int i;
for (i = 0; i < PLACEMENT_MAX_POLICY; i++) {
if (!strncmp(placement_name[i], name, len))
return i;
}
return PLACEMENT_INVAL_POLICY;
}
static const char *placement_policy2name(enum placement_policy placement)
{
LASSERT(placement < PLACEMENT_MAX_POLICY);
return placement_name[placement];
}
static ssize_t placement_show(struct kobject *kobj, struct attribute *attr,
char *buf)
{
struct obd_device *dev = container_of(kobj, struct obd_device,
obd_kobj);
struct lmv_obd *lmv;
lmv = &dev->u.lmv;
return sprintf(buf, "%s\n", placement_policy2name(lmv->lmv_placement));
}
#define MAX_POLICY_STRING_SIZE 64
static ssize_t placement_store(struct kobject *kobj, struct attribute *attr,
const char *buffer,
size_t count)
{
struct obd_device *dev = container_of(kobj, struct obd_device,
obd_kobj);
char dummy[MAX_POLICY_STRING_SIZE + 1];
enum placement_policy policy;
struct lmv_obd *lmv = &dev->u.lmv;
memcpy(dummy, buffer, MAX_POLICY_STRING_SIZE);
if (count > MAX_POLICY_STRING_SIZE)
count = MAX_POLICY_STRING_SIZE;
if (dummy[count - 1] == '\n')
count--;
dummy[count] = '\0';
policy = placement_name2policy(dummy, count);
if (policy != PLACEMENT_INVAL_POLICY) {
spin_lock(&lmv->lmv_lock);
lmv->lmv_placement = policy;
spin_unlock(&lmv->lmv_lock);
} else {
return -EINVAL;
}
return count;
}
LUSTRE_RW_ATTR(placement);
static ssize_t activeobd_show(struct kobject *kobj, struct attribute *attr,
char *buf)
{
@@ -226,7 +159,6 @@ const struct file_operations lmv_proc_target_fops = {
static struct attribute *lmv_attrs[] = {
&lustre_attr_activeobd.attr,
&lustre_attr_numobd.attr,
&lustre_attr_placement.attr,
NULL,
};