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xen/blkfront: Cleanup of comments, fix unaligned variables, and syntax errors. 

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2015-11-16 15:14:41 -05:00
parent 28d949bcc2
commit 6f03a7ff89
1 changed files with 6 additions and 7 deletions
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13
drivers/block/xen-blkfront.c
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@ -118,8 +118,8 @@ MODULE_PARM_DESC(max_ring_page_order, "Maximum order of pages to be used for the
__CONST_RING_SIZE(blkif, XEN_PAGE_SIZE * XENBUS_MAX_RING_GRANTS) __CONST_RING_SIZE(blkif, XEN_PAGE_SIZE * XENBUS_MAX_RING_GRANTS)
/* /*
* ring-ref%i i=(-1UL) would take 11 characters + 'ring-ref' is 8, so 19 * ring-ref%u i=(-1UL) would take 11 characters + 'ring-ref' is 8, so 19
* characters are enough. Define to 20 to keep consist with backend. * characters are enough. Define to 20 to keep consistent with backend.
*/ */
#define RINGREF_NAME_LEN (20) #define RINGREF_NAME_LEN (20)
/* /*
@ -238,7 +238,7 @@ static int get_id_from_freelist(struct blkfront_ring_info *rinfo)
} }
static int add_id_to_freelist(struct blkfront_ring_info *rinfo, static int add_id_to_freelist(struct blkfront_ring_info *rinfo,
unsigned long id) unsigned long id)
{ {
if (rinfo->shadow[id].req.u.rw.id != id) if (rinfo->shadow[id].req.u.rw.id != id)
return -EINVAL; return -EINVAL;
@ -257,7 +257,7 @@ static int fill_grant_buffer(struct blkfront_ring_info *rinfo, int num)
struct grant *gnt_list_entry, *n; struct grant *gnt_list_entry, *n;
int i = 0; int i = 0;
while(i < num) { while (i < num) {
gnt_list_entry = kzalloc(sizeof(struct grant), GFP_NOIO); gnt_list_entry = kzalloc(sizeof(struct grant), GFP_NOIO);
if (!gnt_list_entry) if (!gnt_list_entry)
goto out_of_memory; goto out_of_memory;
@ -776,7 +776,7 @@ static inline bool blkif_request_flush_invalid(struct request *req,
} }
static int blkif_queue_rq(struct blk_mq_hw_ctx *hctx, static int blkif_queue_rq(struct blk_mq_hw_ctx *hctx,
const struct blk_mq_queue_data *qd) const struct blk_mq_queue_data *qd)
{ {
unsigned long flags; unsigned long flags;
struct blkfront_ring_info *rinfo = (struct blkfront_ring_info *)hctx->driver_data; struct blkfront_ring_info *rinfo = (struct blkfront_ring_info *)hctx->driver_data;
@ -1968,8 +1968,7 @@ static int blkfront_resume(struct xenbus_device *dev)
return err; return err;
} }
static void static void blkfront_closing(struct blkfront_info *info)
blkfront_closing(struct blkfront_info *info)
{ {
struct xenbus_device *xbdev = info->xbdev; struct xenbus_device *xbdev = info->xbdev;
struct block_device *bdev = NULL; struct block_device *bdev = NULL;