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authorMing Lei <ming.lei@redhat.com>2023-10-09 12:33:19 +0300
committerJens Axboe <axboe@kernel.dk>2023-10-17 17:27:56 +0300
commit28dde8c062b640a26dc0bdbd341ace59ec96f7a3 (patch)
tree6942c9b1774174736f087a4156455721cca38b6b /drivers/block
parent85248d670b71d9edda9459ee14fdc85c8e9632c0 (diff)
downloadlinux-28dde8c062b640a26dc0bdbd341ace59ec96f7a3.tar.xz
ublk: rename mm_lock as lock
Rename mm_lock field of ublk_device as lock, so that this lock can be reused for protecting access of ub->ub_disk, which will be used for simplifying ublk_abort_queue() by quiesce queue in next patch. Signed-off-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20231009093324.957829-5-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/ublk_drv.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 5b1cf94bd22f..01cd2be1df0e 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -170,7 +170,7 @@ struct ublk_device {
struct mutex mutex;
- spinlock_t mm_lock;
+ spinlock_t lock;
struct mm_struct *mm;
struct ublk_params params;
@@ -1362,12 +1362,12 @@ static int ublk_ch_mmap(struct file *filp, struct vm_area_struct *vma)
unsigned long pfn, end, phys_off = vma->vm_pgoff << PAGE_SHIFT;
int q_id, ret = 0;
- spin_lock(&ub->mm_lock);
+ spin_lock(&ub->lock);
if (!ub->mm)
ub->mm = current->mm;
if (current->mm != ub->mm)
ret = -EINVAL;
- spin_unlock(&ub->mm_lock);
+ spin_unlock(&ub->lock);
if (ret)
return ret;
@@ -2349,7 +2349,7 @@ static int ublk_ctrl_add_dev(struct io_uring_cmd *cmd)
if (!ub)
goto out_unlock;
mutex_init(&ub->mutex);
- spin_lock_init(&ub->mm_lock);
+ spin_lock_init(&ub->lock);
INIT_WORK(&ub->quiesce_work, ublk_quiesce_work_fn);
INIT_WORK(&ub->stop_work, ublk_stop_work_fn);
INIT_DELAYED_WORK(&ub->monitor_work, ublk_daemon_monitor_work);