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Staging: hv: Move the definition of the function get_stor_device()

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In preparation for further cleaning up storvsc.c move the definition
of the inline function get_stor_device() from storvsc.c to
storvsc_api.h.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan
2011-03-23 10:50:31 -07:00
committed by Greg Kroah-Hartman
parent 834702f82a
commit 852c16dbdc
2 changed files with 15 additions and 14 deletions
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14
drivers/staging/hv/storvsc.c
View File

@@ -56,20 +56,6 @@ static inline void free_stor_device(struct storvsc_device *device)
kfree(device);
}
/* Get the stordevice object iff exists and its refcount > 1 */
static inline struct storvsc_device *get_stor_device(struct hv_device *device)
{
struct storvsc_device *stor_device;
stor_device = (struct storvsc_device *)device->ext;
if (stor_device && atomic_read(&stor_device->ref_count) > 1)
atomic_inc(&stor_device->ref_count);
else
stor_device = NULL;
return stor_device;
}
/* Get the stordevice object iff exists and its refcount > 0 */
static inline struct storvsc_device *must_get_stor_device(
struct hv_device *device)

15
drivers/staging/hv/storvsc_api.h
View File

@@ -137,6 +137,21 @@ struct storvsc_device {
struct storvsc_request_extension reset_request;
};
/* Get the stordevice object iff exists and its refcount > 1 */
static inline struct storvsc_device *get_stor_device(struct hv_device *device)
{
struct storvsc_device *stor_device;
stor_device = (struct storvsc_device *)device->ext;
if (stor_device && atomic_read(&stor_device->ref_count) > 1)
atomic_inc(&stor_device->ref_count);
else
stor_device = NULL;
return stor_device;
}
/* Interface */
int stor_vsc_on_host_reset(struct hv_device *device);