diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-11 14:44:31 +0200 |
| commit | 41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch) | |
| tree | 51c50bcb67a5039448ddfa1869d7948cab1217e9 /drivers/block/hd.c | |
| parent | 19c1a6f5764d787113fa323ffb18be7991208f82 (diff) | |
| parent | 091bf7624d1c90cec9e578a18529f615213ff847 (diff) | |
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base,
update it to .30-rc5 to refresh.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/block/hd.c')
| -rw-r--r-- | drivers/block/hd.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/block/hd.c b/drivers/block/hd.c index 3c11f062a18c..baaa9e486e50 100644 --- a/drivers/block/hd.c +++ b/drivers/block/hd.c @@ -509,7 +509,6 @@ ok_to_write: if (i > 0) { SET_HANDLER(&write_intr); outsw(HD_DATA, req->buffer, 256); - local_irq_enable(); } else { #if (HD_DELAY > 0) last_req = read_timer(); @@ -541,8 +540,7 @@ static void hd_times_out(unsigned long dummy) if (!CURRENT) return; - disable_irq(HD_IRQ); - local_irq_enable(); + spin_lock_irq(hd_queue->queue_lock); reset = 1; name = CURRENT->rq_disk->disk_name; printk("%s: timeout\n", name); @@ -552,9 +550,8 @@ static void hd_times_out(unsigned long dummy) #endif end_request(CURRENT, 0); } - local_irq_disable(); hd_request(); - enable_irq(HD_IRQ); + spin_unlock_irq(hd_queue->queue_lock); } static int do_special_op(struct hd_i_struct *disk, struct request *req) @@ -592,7 +589,6 @@ static void hd_request(void) return; repeat: del_timer(&device_timer); - local_irq_enable(); req = CURRENT; if (!req) { @@ -601,7 +597,6 @@ repeat: } if (reset) { - local_irq_disable(); reset_hd(); return; } @@ -660,9 +655,7 @@ repeat: static void do_hd_request(struct request_queue *q) { - disable_irq(HD_IRQ); hd_request(); - enable_irq(HD_IRQ); } static int hd_getgeo(struct block_device *bdev, struct hd_geometry *geo) @@ -684,12 +677,16 @@ static irqreturn_t hd_interrupt(int irq, void *dev_id) { void (*handler)(void) = do_hd; + spin_lock(hd_queue->queue_lock); + do_hd = NULL; del_timer(&device_timer); if (!handler) handler = unexpected_hd_interrupt; handler(); - local_irq_enable(); + + spin_unlock(hd_queue->queue_lock); + return IRQ_HANDLED; } |