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Date: Tue, 15 Jul 2008 17:35:16 -0400
From: Jason Baron <jbaron@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: akpm@...ux-foundation.org, joe@...ches.com, greg@...ah.com,
nick@...k-andrew.net, randy.dunlap@...cle.com
Subject: [PATCH 5/7] dynamic debug v2 - convert aio
-convert aio dprintk -> pr_debug
Signed-off-by: Jason Baron <jbaron@...hat.com>
---
fs/aio.c | 34 ++++++++++++++--------------------
1 files changed, 14 insertions(+), 20 deletions(-)
diff --git a/fs/aio.c b/fs/aio.c
index 2283686..b6f3b33 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -36,12 +36,6 @@
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
-#if DEBUG > 1
-#define dprintk printk
-#else
-#define dprintk(x...) do { ; } while (0)
-#endif
-
/*------ sysctl variables----*/
static DEFINE_SPINLOCK(aio_nr_lock);
unsigned long aio_nr; /* current system wide number of aio requests */
@@ -128,7 +122,7 @@ static int aio_setup_ring(struct kioctx *ctx)
}
info->mmap_size = nr_pages * PAGE_SIZE;
- dprintk("attempting mmap of %lu bytes\n", info->mmap_size);
+ pr_debug("attempting mmap of %lu bytes\n", info->mmap_size);
down_write(&ctx->mm->mmap_sem);
info->mmap_base = do_mmap(NULL, 0, info->mmap_size,
PROT_READ|PROT_WRITE, MAP_ANONYMOUS|MAP_PRIVATE,
@@ -140,7 +134,7 @@ static int aio_setup_ring(struct kioctx *ctx)
return -EAGAIN;
}
- dprintk("mmap address: 0x%08lx\n", info->mmap_base);
+ pr_debug("mmap address: 0x%08lx\n", info->mmap_base);
info->nr_pages = get_user_pages(current, ctx->mm,
info->mmap_base, nr_pages,
1, 0, info->ring_pages, NULL);
@@ -246,7 +240,7 @@ static struct kioctx *ioctx_alloc(unsigned nr_events)
mm->ioctx_list = ctx;
write_unlock(&mm->ioctx_list_lock);
- dprintk("aio: allocated ioctx %p[%ld]: mm=%p mask=0x%x\n",
+ pr_debug("aio: allocated ioctx %p[%ld]: mm=%p mask=0x%x\n",
ctx, ctx->user_id, current->mm, ctx->ring_info.nr);
return ctx;
@@ -259,7 +253,7 @@ out_freectx:
kmem_cache_free(kioctx_cachep, ctx);
ctx = ERR_PTR(-ENOMEM);
- dprintk("aio: error allocating ioctx %p\n", ctx);
+ pr_debug("aio: error allocating ioctx %p\n", ctx);
return ctx;
}
@@ -501,7 +495,7 @@ static void aio_fput_routine(struct work_struct *data)
*/
static int __aio_put_req(struct kioctx *ctx, struct kiocb *req)
{
- dprintk(KERN_DEBUG "aio_put(%p): f_count=%d\n",
+ pr_debug(KERN_DEBUG "aio_put(%p): f_count=%d\n",
req, atomic_read(&req->ki_filp->f_count));
assert_spin_locked(&ctx->ctx_lock);
@@ -968,7 +962,7 @@ int aio_complete(struct kiocb *iocb, long res, long res2)
event->res = res;
event->res2 = res2;
- dprintk("aio_complete: %p[%lu]: %p: %p %Lx %lx %lx\n",
+ pr_debug("aio_complete: %p[%lu]: %p: %p %Lx %lx %lx\n",
ctx, tail, iocb, iocb->ki_obj.user, iocb->ki_user_data,
res, res2);
@@ -1026,7 +1020,7 @@ static int aio_read_evt(struct kioctx *ioctx, struct io_event *ent)
int ret = 0;
ring = kmap_atomic(info->ring_pages[0], KM_USER0);
- dprintk("in aio_read_evt h%lu t%lu m%lu\n",
+ pr_debug("in aio_read_evt h%lu t%lu m%lu\n",
(unsigned long)ring->head, (unsigned long)ring->tail,
(unsigned long)ring->nr);
@@ -1049,7 +1043,7 @@ static int aio_read_evt(struct kioctx *ioctx, struct io_event *ent)
out:
kunmap_atomic(ring, KM_USER0);
- dprintk("leaving aio_read_evt: %d h%lu t%lu\n", ret,
+ pr_debug("leaving aio_read_evt: %d h%lu t%lu\n", ret,
(unsigned long)ring->head, (unsigned long)ring->tail);
return ret;
}
@@ -1117,13 +1111,13 @@ retry:
if (unlikely(ret <= 0))
break;
- dprintk("read event: %Lx %Lx %Lx %Lx\n",
+ pr_debug("read event: %Lx %Lx %Lx %Lx\n",
ent.data, ent.obj, ent.res, ent.res2);
/* Could we split the check in two? */
ret = -EFAULT;
if (unlikely(copy_to_user(event, &ent, sizeof(ent)))) {
- dprintk("aio: lost an event due to EFAULT.\n");
+ pr_debug("aio: lost an event due to EFAULT.\n");
break;
}
ret = 0;
@@ -1190,7 +1184,7 @@ retry:
ret = -EFAULT;
if (unlikely(copy_to_user(event, &ent, sizeof(ent)))) {
- dprintk("aio: lost an event due to EFAULT.\n");
+ pr_debug("aio: lost an event due to EFAULT.\n");
break;
}
@@ -1225,7 +1219,7 @@ static void io_destroy(struct kioctx *ioctx)
*tmp = ioctx->next;
write_unlock(&mm->ioctx_list_lock);
- dprintk("aio_release(%p)\n", ioctx);
+ pr_debug("aio_release(%p)\n", ioctx);
if (likely(!was_dead))
put_ioctx(ioctx); /* twice for the list */
@@ -1507,7 +1501,7 @@ static ssize_t aio_setup_iocb(struct kiocb *kiocb)
kiocb->ki_retry = aio_fsync;
break;
default:
- dprintk("EINVAL: io_submit: no operation provided\n");
+ pr_debug("EINVAL: io_submit: no operation provided\n");
ret = -EINVAL;
}
@@ -1591,7 +1585,7 @@ int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
ret = put_user(req->ki_key, &user_iocb->aio_key);
if (unlikely(ret)) {
- dprintk("EFAULT: aio_key\n");
+ pr_debug("EFAULT: aio_key\n");
goto out_put_req;
}
--
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