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Staging: hv: storvsc: Rename get_stor_device() 

In preparation for cleaning up how we manage reference counts on the stor
device, clearly distinguish why we are attempting to acquire a reference.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-08-27 11:31:03 -07:00 committed by Greg Kroah-Hartman
parent bf49e80998
commit 1eaaddf938
3 changed files with 7 additions and 6 deletions
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3
drivers/staging/hv/hyperv_storage.h
View File

@ -288,7 +288,8 @@ struct storvsc_device {
/* Get the stordevice object iff exists and its refcount > 1 */
static inline struct storvsc_device *get_stor_device(struct hv_device *device)
static inline struct storvsc_device *get_out_stor_device(
struct hv_device *device)
{
struct storvsc_device *stor_device;

8
drivers/staging/hv/storvsc.c
View File

@ -41,7 +41,7 @@ static inline struct storvsc_device *alloc_stor_device(struct hv_device *device)
return NULL;
/* Set to 2 to allow both inbound and outbound traffics */
/* (ie get_stor_device() and get_in_stor_device()) to proceed. */
/* (ie get_out_stor_device() and get_in_stor_device()) to proceed. */
atomic_cmpxchg(&stor_device->ref_count, 0, 2);
init_waitqueue_head(&stor_device->waiting_to_drain);
@ -67,7 +67,7 @@ static inline struct storvsc_device *get_in_stor_device(
return stor_device;
}
/* Drop ref count to 1 to effectively disable get_stor_device() */
/* Drop ref count to 1 to effectively disable get_out_stor_device() */
static inline struct storvsc_device *release_stor_device(
struct hv_device *device)
{
@ -105,7 +105,7 @@ static int storvsc_channel_init(struct hv_device *device)
struct vstor_packet *vstor_packet;
int ret, t;
stor_device = get_stor_device(device);
stor_device = get_out_stor_device(device);
if (!stor_device)
return -ENODEV;
@ -427,7 +427,7 @@ int storvsc_do_io(struct hv_device *device,
int ret = 0;
vstor_packet = &request->vstor_packet;
stor_device = get_stor_device(device);
stor_device = get_out_stor_device(device);
if (!stor_device)
return -ENODEV;

2
drivers/staging/hv/storvsc_drv.c
View File

@ -344,7 +344,7 @@ static int storvsc_host_reset(struct hv_device *device)
int ret, t;
stor_device = get_stor_device(device);
stor_device = get_out_stor_device(device);
if (!stor_device)
return -ENODEV;