diff options
Diffstat (limited to 'drivers')
119 files changed, 4287 insertions, 2223 deletions
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c index a1725e6488d3..7888501ad9ee 100644 --- a/drivers/block/amiflop.c +++ b/drivers/block/amiflop.c @@ -1341,7 +1341,7 @@ static struct request *set_next_request(void) { struct request_queue *q; int cnt = FD_MAX_UNITS; - struct request *rq; + struct request *rq = NULL; /* Find next queue we can dispatch from */ fdc_queue = fdc_queue + 1; diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 4e4cc6c828cb..605a67e40bbf 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1399,7 +1399,7 @@ static struct request *set_next_request(void) { struct request_queue *q; int old_pos = fdc_queue; - struct request *rq; + struct request *rq = NULL; do { q = unit[fdc_queue].disk->queue; diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index a67d0a611a8a..f291587d753e 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -66,6 +66,7 @@ MODULE_VERSION("3.6.26"); MODULE_LICENSE("GPL"); static DEFINE_MUTEX(cciss_mutex); +static struct proc_dir_entry *proc_cciss; #include "cciss_cmd.h" #include "cciss.h" @@ -363,8 +364,6 @@ static const char *raid_label[] = { "0", "4", "1(1+0)", "5", "5+1", "ADG", #define ENG_GIG_FACTOR (ENG_GIG/512) #define ENGAGE_SCSI "engage scsi" -static struct proc_dir_entry *proc_cciss; - static void cciss_seq_show_header(struct seq_file *seq) { ctlr_info_t *h = seq->private; diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 255035cfc88a..4f9e22f29138 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -65,7 +65,7 @@ enum blkif_state { struct blk_shadow { struct blkif_request req; - unsigned long request; + struct request *request; unsigned long frame[BLKIF_MAX_SEGMENTS_PER_REQUEST]; }; @@ -136,7 +136,7 @@ static void add_id_to_freelist(struct blkfront_info *info, unsigned long id) { info->shadow[id].req.id = info->shadow_free; - info->shadow[id].request = 0; + info->shadow[id].request = NULL; info->shadow_free = id; } @@ -245,14 +245,11 @@ static int blkif_ioctl(struct block_device *bdev, fmode_t mode, } /* - * blkif_queue_request + * Generate a Xen blkfront IO request from a blk layer request. Reads + * and writes are handled as expected. Since we lack a loose flush + * request, we map flushes into a full ordered barrier. * - * request block io - * - * id: for guest use only. - * operation: BLKIF_OP_{READ,WRITE,PROBE} - * buffer: buffer to read/write into. this should be a - * virtual address in the guest os. + * @req: a request struct */ static int blkif_queue_request(struct request *req) { @@ -281,7 +278,7 @@ static int blkif_queue_request(struct request *req) /* Fill out a communications ring structure. */ ring_req = RING_GET_REQUEST(&info->ring, info->ring.req_prod_pvt); id = get_id_from_freelist(info); - info->shadow[id].request = (unsigned long)req; |