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

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
(cherry picked from commit 6f03a7ff89485f0a7a559bf5c7631d2986c4ecfa)
Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 1750e227cc8b1b6b2c53eea4febb3b1ec0e6eb7a..8f0a9dd0a209c33c6e251d07624e57e457d41364 100644 (file)
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -119,8 +119,8 @@ 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)
 
 /*
- * ring-ref%i i=(-1UL) would take 11 characters + 'ring-ref' is 8, so 19
- * characters are enough. Define to 20 to keep consist with backend.
+ * ring-ref%u i=(-1UL) would take 11 characters + 'ring-ref' is 8, so 19
+ * characters are enough. Define to 20 to keep consistent with backend.
  */
 #define RINGREF_NAME_LEN (20)
 /*
@@ -239,7 +239,7 @@ static int get_id_from_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)
                return -EINVAL;
@@ -258,7 +258,7 @@ static int fill_grant_buffer(struct blkfront_ring_info *rinfo, int num)
        struct grant *gnt_list_entry, *n;
        int i = 0;
 
-       while(i < num) {
+       while (i < num) {
                gnt_list_entry = kzalloc(sizeof(struct grant), GFP_NOIO);
                if (!gnt_list_entry)
                        goto out_of_memory;
@@ -777,7 +777,7 @@ static inline bool blkif_request_flush_invalid(struct request *req,
 }
 
 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;
        struct blkfront_ring_info *rinfo = (struct blkfront_ring_info *)hctx->driver_data;
@@ -1970,8 +1970,7 @@ static int blkfront_resume(struct xenbus_device *dev)
        return err;
 }
 
-static void
-blkfront_closing(struct blkfront_info *info)
+static void blkfront_closing(struct blkfront_info *info)
 {
        struct xenbus_device *xbdev = info->xbdev;
        struct block_device *bdev = NULL;