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Date: Mon, 1 Aug 2011 12:52:36 +0200
From: Per Forlin <per.forlin@...aro.org>
To: Akinobu Mita <akinobu.mita@...il.com>,
linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Cc: Jens Axboe <axboe@...nel.dk>,
Christoph Lameter <cl@...ux-foundation.org>,
Pekka Enberg <penberg@...nel.org>,
Matt Mackall <mpm@...enic.com>, linux-mm@...ck.org,
Per Forlin <per.forlin@...aro.org>
Subject: [PATCH -mmotm 1/2] fault-injection: improve naming of public function should_fail()
rename fault injection function should_fail() to fault_should_fail()
Signed-off-by: Per Forlin <per.forlin@...aro.org>
---
Documentation/fault-injection/fault-injection.txt | 8 ++++----
block/blk-core.c | 3 ++-
block/blk-timeout.c | 2 +-
include/linux/fault-inject.h | 2 +-
lib/fault-inject.c | 2 +-
mm/failslab.c | 2 +-
mm/page_alloc.c | 2 +-
7 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/Documentation/fault-injection/fault-injection.txt b/Documentation/fault-injection/fault-injection.txt
index 82a5d25..b65a4a8 100644
--- a/Documentation/fault-injection/fault-injection.txt
+++ b/Documentation/fault-injection/fault-injection.txt
@@ -41,7 +41,7 @@ configuration of fault-injection capabilities.
- /sys/kernel/debug/fail*/interval:
specifies the interval between failures, for calls to
- should_fail() that pass all the other tests.
+ fault_should_fail() that pass all the other tests.
Note that if you enable this, by setting interval>1, you will
probably want to set probability=100.
@@ -54,7 +54,7 @@ configuration of fault-injection capabilities.
- /sys/kernel/debug/fail*/space:
specifies an initial resource "budget", decremented by "size"
- on each call to should_fail(,size). Failure injection is
+ on each call to fault_should_fail(,size). Failure injection is
suppressed until "space" reaches zero.
- /sys/kernel/debug/fail*/verbose
@@ -153,9 +153,9 @@ o provide a way to configure fault attributes
o add a hook to insert failures
- Upon should_fail() returning true, client code should inject a failure.
+ Upon fault_should_fail() returning true, client code should inject a failure.
- should_fail(attr, size);
+ fault_should_fail(attr, size);
Application Examples
--------------------
diff --git a/block/blk-core.c b/block/blk-core.c
index 0d23a1c..ba3ea33 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1363,7 +1363,8 @@ __setup("fail_make_request=", setup_fail_make_request);
static bool should_fail_request(struct hd_struct *part, unsigned int bytes)
{
- return part->make_it_fail && should_fail(&fail_make_request, bytes);
+ return part->make_it_fail &&
+ fault_should_fail(&fail_make_request, bytes);
}
static int __init fail_make_request_debugfs(void)
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 7803548..0733c0975 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -23,7 +23,7 @@ int blk_should_fake_timeout(struct request_queue *q)
if (!test_bit(QUEUE_FLAG_FAIL_IO, &q->queue_flags))
return 0;
- return should_fail(&fail_io_timeout, 1);
+ return fault_should_fail(&fail_io_timeout, 1);
}
static int __init fail_io_timeout_debugfs(void)
diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index f1945d6..bab4fe2 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -37,7 +37,7 @@ struct fault_attr {
#define DECLARE_FAULT_ATTR(name) struct fault_attr name = FAULT_ATTR_INITIALIZER
int setup_fault_attr(struct fault_attr *attr, char *str);
-bool should_fail(struct fault_attr *attr, ssize_t size);
+bool fault_should_fail(struct fault_attr *attr, ssize_t size);
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
diff --git a/lib/fault-inject.c b/lib/fault-inject.c
index f193b77..c7af6d4 100644
--- a/lib/fault-inject.c
+++ b/lib/fault-inject.c
@@ -98,7 +98,7 @@ static inline bool fail_stacktrace(struct fault_attr *attr)
* http://www.nongnu.org/failmalloc/
*/
-bool should_fail(struct fault_attr *attr, ssize_t size)
+bool fault_should_fail(struct fault_attr *attr, ssize_t size)
{
if (attr->task_filter && !fail_task(attr, current))
return false;
diff --git a/mm/failslab.c b/mm/failslab.c
index 0dd7b8f..2e346f9 100644
--- a/mm/failslab.c
+++ b/mm/failslab.c
@@ -22,7 +22,7 @@ bool should_failslab(size_t size, gfp_t gfpflags, unsigned long cache_flags)
if (failslab.cache_filter && !(cache_flags & SLAB_FAILSLAB))
return false;
- return should_fail(&failslab.attr, size);
+ return fault_should_fail(&failslab.attr, size);
}
static int __init setup_failslab(char *str)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 2a25213..6ce935f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1400,7 +1400,7 @@ static int should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
if (fail_page_alloc.ignore_gfp_wait && (gfp_mask & __GFP_WAIT))
return 0;
- return should_fail(&fail_page_alloc.attr, 1 << order);
+ return fault_should_fail(&fail_page_alloc.attr, 1 << order);
}
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
--
1.7.4.1
--
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