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libceph: replace ceph_monc_request_next_osdmap()

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... with a wrapper around maybe_request_map() - no need for two
osdmap-specific functions.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2016-04-28 16:07:28 +02:00
parent b4f3479569
commit 7cca78c9dc
5 changed files with 9 additions and 16 deletions
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2
drivers/block/rbd.c
View file

@ -4902,7 +4902,7 @@ static int rbd_add_get_pool_id(struct rbd_client *rbdc, const char *pool_name)
return ret;
if (rbdc->client->osdc.osdmap->epoch < newest_epoch) {
ceph_monc_request_next_osdmap(&rbdc->client->monc);
ceph_osdc_maybe_request_map(&rbdc->client->osdc);
(void) ceph_monc_wait_osdmap(&rbdc->client->monc,
newest_epoch,
opts->mount_timeout);

1
include/linux/ceph/mon_client.h
View file

@ -128,7 +128,6 @@ bool ceph_monc_want_map(struct ceph_mon_client *monc, int sub, u32 epoch,
void ceph_monc_got_map(struct ceph_mon_client *monc, int sub, u32 epoch);
void ceph_monc_renew_subs(struct ceph_mon_client *monc);
extern void ceph_monc_request_next_osdmap(struct ceph_mon_client *monc);
extern int ceph_monc_wait_osdmap(struct ceph_mon_client *monc, u32 epoch,
unsigned long timeout);

1
include/linux/ceph/osd_client.h
View file

@ -381,6 +381,7 @@ extern int ceph_osdc_wait_request(struct ceph_osd_client *osdc,
extern void ceph_osdc_sync(struct ceph_osd_client *osdc);
extern void ceph_osdc_flush_notifies(struct ceph_osd_client *osdc);
void ceph_osdc_maybe_request_map(struct ceph_osd_client *osdc);
extern int ceph_osdc_readpages(struct ceph_osd_client *osdc,
struct ceph_vino vino,

14
net/ceph/mon_client.c
View file

@ -384,20 +384,6 @@ void ceph_monc_renew_subs(struct ceph_mon_client *monc)
}
EXPORT_SYMBOL(ceph_monc_renew_subs);
/*
* Register interest in the next osdmap
*/
void ceph_monc_request_next_osdmap(struct ceph_mon_client *monc)
{
dout("%s have %u\n", __func__, monc->subs[CEPH_SUB_OSDMAP].have);
mutex_lock(&monc->mutex);
if (__ceph_monc_want_map(monc, CEPH_SUB_OSDMAP,
monc->subs[CEPH_SUB_OSDMAP].have + 1, false))
__send_subscribe(monc);
mutex_unlock(&monc->mutex);
}
EXPORT_SYMBOL(ceph_monc_request_next_osdmap);
/*
* Wait for an osdmap with a given epoch.
*

7
net/ceph/osd_client.c
View file

@ -3869,6 +3869,13 @@ void ceph_osdc_flush_notifies(struct ceph_osd_client *osdc)
}
EXPORT_SYMBOL(ceph_osdc_flush_notifies);
void ceph_osdc_maybe_request_map(struct ceph_osd_client *osdc)
{
down_read(&osdc->lock);
maybe_request_map(osdc);
up_read(&osdc->lock);
}
EXPORT_SYMBOL(ceph_osdc_maybe_request_map);
/*
* init, shutdown