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Message-Id: <1210096264-27426-1-git-send-email-crquan@gmail.com>
Date: Wed, 7 May 2008 01:51:03 +0800
From: Denis Cheng <crquan@...il.com>
To: Al Viro <viro@...iv.linux.org.uk>,
Steven Whitehouse <swhiteho@...hat.com>
Cc: linux-fsdevel@...r.kernel.org, cluster-devel@...hat.com,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] [fs-devel] the real needs of just_schedule
there are some situations which really need a just schedule,
with int return value;
and this should be moved into lib/ in the future.
Signed-off-by: Denis Cheng <crquan@...il.com>
---
fs/inode.c | 2 +-
include/linux/writeback.h | 16 ++++++++++++----
2 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/fs/inode.c b/fs/inode.c
index bf64781..b355a44 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1291,7 +1291,7 @@ int inode_needs_sync(struct inode *inode)
EXPORT_SYMBOL(inode_needs_sync);
-int inode_wait(void *word)
+int just_schedule(void *word)
{
schedule();
return 0;
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index f462439..80ff5eb 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -67,23 +67,31 @@ struct writeback_control {
/*
* fs/fs-writeback.c
- */
+ */
void writeback_inodes(struct writeback_control *wbc);
-int inode_wait(void *);
void sync_inodes_sb(struct super_block *, int wait);
void sync_inodes(int wait);
+/*
+ * fs/inode.c
+ *
+ * there are some situations which really need a just schedule,
+ * with int return value;
+ * and this should be moved into lib/ in the future.
+ */
+int just_schedule(void *);
+
/* writeback.h requires fs.h; it, too, is not included from here. */
static inline void wait_on_inode(struct inode *inode)
{
might_sleep();
- wait_on_bit(&inode->i_state, __I_LOCK, inode_wait,
+ wait_on_bit(&inode->i_state, __I_LOCK, just_schedule,
TASK_UNINTERRUPTIBLE);
}
static inline void inode_sync_wait(struct inode *inode)
{
might_sleep();
- wait_on_bit(&inode->i_state, __I_SYNC, inode_wait,
+ wait_on_bit(&inode->i_state, __I_SYNC, just_schedule,
TASK_UNINTERRUPTIBLE);
}
--
1.5.5.1
--
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