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trivial writeback fixes 

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Merge tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux

Pull trivial writeback fixes from Wu Fengguang:
 "They've been tested in linux-next for 20 days actually."

* tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
  writeback: Remove outdated comment
  fs: Remove bogus wait in write_inode_now()
This commit is contained in:
Linus Torvalds 2012-03-28 10:07:27 -07:00
parent 69e1aaddd6 697e6fed9f
commit 529b73fc0a
1 changed files with 2 additions and 20 deletions
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22
fs/fs-writeback.c
View File

@ -256,7 +256,8 @@ static bool inode_dirtied_after(struct inode *inode, unsigned long t)
}
/*
* Move expired dirty inodes from @delaying_queue to @dispatch_queue.
* Move expired (dirtied after work->older_than_this) dirty inodes from
* @delaying_queue to @dispatch_queue.
*/
static int move_expired_inodes(struct list_head *delaying_queue,
struct list_head *dispatch_queue,
@ -1148,23 +1149,6 @@ out_unlock_inode:
}
EXPORT_SYMBOL(__mark_inode_dirty);
/*
* Write out a superblock's list of dirty inodes. A wait will be performed
* upon no inodes, all inodes or the final one, depending upon sync_mode.
*
* If older_than_this is non-NULL, then only write out inodes which
* had their first dirtying at a time earlier than *older_than_this.
*
* If `bdi' is non-zero then we're being asked to writeback a specific queue.
* This function assumes that the blockdev superblock's inodes are backed by
* a variety of queues, so all inodes are searched. For other superblocks,
* assume that all inodes are backed by the same queue.
*
* The inodes to be written are parked on bdi->b_io. They are moved back onto
* bdi->b_dirty as they are selected for writing. This way, none can be missed
* on the writer throttling path, and we get decent balancing between many
* throttled threads: we don't want them all piling up on inode_sync_wait.
*/
static void wait_sb_inodes(struct super_block *sb)
{
struct inode *inode, *old_inode = NULL;
@ -1364,8 +1348,6 @@ int write_inode_now(struct inode *inode, int sync)
ret = writeback_single_inode(inode, wb, &wbc);
spin_unlock(&inode->i_lock);
spin_unlock(&wb->list_lock);
if (sync)
inode_sync_wait(inode);
return ret;
}
EXPORT_SYMBOL(write_inode_now);