diff options
-rw-r--r-- | fs/aio.c | 7 |
1 files changed, 3 insertions, 4 deletions
@@ -599,9 +599,6 @@ static void use_mm(struct mm_struct *mm) | |||
599 | * by the calling kernel thread | 599 | * by the calling kernel thread |
600 | * (Note: this routine is intended to be called only | 600 | * (Note: this routine is intended to be called only |
601 | * from a kernel thread context) | 601 | * from a kernel thread context) |
602 | * | ||
603 | * Comments: Called with ctx->ctx_lock held. This nests | ||
604 | * task_lock instead ctx_lock. | ||
605 | */ | 602 | */ |
606 | static void unuse_mm(struct mm_struct *mm) | 603 | static void unuse_mm(struct mm_struct *mm) |
607 | { | 604 | { |
@@ -850,14 +847,16 @@ static void aio_kick_handler(struct work_struct *work) | |||
850 | { | 847 | { |
851 | struct kioctx *ctx = container_of(work, struct kioctx, wq.work); | 848 | struct kioctx *ctx = container_of(work, struct kioctx, wq.work); |
852 | mm_segment_t oldfs = get_fs(); | 849 | mm_segment_t oldfs = get_fs(); |
850 | struct mm_struct *mm; | ||
853 | int requeue; | 851 | int requeue; |
854 | 852 | ||
855 | set_fs(USER_DS); | 853 | set_fs(USER_DS); |
856 | use_mm(ctx->mm); | 854 | use_mm(ctx->mm); |
857 | spin_lock_irq(&ctx->ctx_lock); | 855 | spin_lock_irq(&ctx->ctx_lock); |
858 | requeue =__aio_run_iocbs(ctx); | 856 | requeue =__aio_run_iocbs(ctx); |
859 | unuse_mm(ctx->mm); | 857 | mm = ctx->mm; |
860 | spin_unlock_irq(&ctx->ctx_lock); | 858 | spin_unlock_irq(&ctx->ctx_lock); |
859 | unuse_mm(mm); | ||
861 | set_fs(oldfs); | 860 | set_fs(oldfs); |
862 | /* | 861 | /* |
863 | * we're in a worker thread already, don't use queue_delayed_work, | 862 | * we're in a worker thread already, don't use queue_delayed_work, |