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| author | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-01 08:24:54 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-01 08:24:54 +0400 |
| commit | bc95f3669f5e6f63cf0b84fe4922c3c6dd4aa775 (patch) | |
| tree | 427fcf2a7287c16d4b5aa6cbf494d59579a6a8b1 /arch/um/drivers/ubd_kern.c | |
| parent | 3d29cdff999c37b3876082278a8134a0642a02cd (diff) | |
| parent | dc87c3985e9b442c60994308a96f887579addc39 (diff) | |
| download | linux-bc95f3669f5e6f63cf0b84fe4922c3c6dd4aa775.tar.xz | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/usb/input/Makefile
drivers/usb/input/gtco.c
Diffstat (limited to 'arch/um/drivers/ubd_kern.c')
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index f98d26e51381..8bd9204ac1ab 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -109,10 +109,6 @@ static inline void ubd_set_bit(__u64 bit, unsigned char *data) static DEFINE_MUTEX(ubd_lock); -/* XXX - this made sense in 2.4 days, now it's only used as a boolean, and - * probably it doesn't make sense even for that. */ -static int do_ubd; - static int ubd_open(struct inode * inode, struct file * filp); static int ubd_release(struct inode * inode, struct file * file); static int ubd_ioctl(struct inode * inode, struct file * file, @@ -169,6 +165,7 @@ struct ubd { struct platform_device pdev; struct request_queue *queue; spinlock_t lock; + int active; }; #define DEFAULT_COW { \ @@ -190,6 +187,7 @@ struct ubd { .shared = 0, \ .cow = DEFAULT_COW, \ .lock = SPIN_LOCK_UNLOCKED, \ + .active = 0, \ } /* Protected by ubd_lock */ @@ -507,7 +505,6 @@ static void ubd_handler(void) struct ubd *dev; int n; - do_ubd = 0; n = os_read_file(thread_fd, &req, sizeof(req)); if(n != sizeof(req)){ printk(KERN_ERR "Pid %d - spurious interrupt in ubd_handler, " @@ -517,6 +514,7 @@ static void ubd_handler(void) rq = req.req; dev = rq->rq_disk->private_data; + dev->active = 0; ubd_finish(rq, req.error); reactivate_fd(thread_fd, UBD_IRQ); @@ -1081,11 +1079,12 @@ static void do_ubd_request(request_queue_t *q) } } else { - if(do_ubd || (req = elv_next_request(q)) == NULL) + struct ubd *dev = q->queuedata; + if(dev->active || (req = elv_next_request(q)) == NULL) return; err = prepare_request(req, &io_req); if(!err){ - do_ubd = 1; + dev->active = 1; n = os_write_file(thread_fd, (char *) &io_req, sizeof(io_req)); if(n != sizeof(io_req)) |