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From: Christoph Hellwig <hch@lst.de>
To: linux-fsdevel@vger.kernel.org, xfs@oss.sgi.com,
	linux-ext4@vger.kernel.org, ocfs2-devel@oss.oracle.com
Cc: darrick.wong@oracle.com
Subject: [PATCH 3/3] xfs: fold xfs_vm_do_dio into xfs_vm_direct_IO
Date: Tue,  2 Feb 2016 21:17:37 +0100	[thread overview]
Message-ID: <1454444257-9086-4-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1454444257-9086-1-git-send-email-hch@lst.de>

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/xfs/xfs_aops.c | 39 ++++++++++++++-------------------------
 1 file changed, 14 insertions(+), 25 deletions(-)

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index f6b08ea..e3cb7f8 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -1599,41 +1599,30 @@ xfs_end_io_direct_write(
 	}
 }
 
-static inline ssize_t
-xfs_vm_do_dio(
-	struct inode		*inode,
+STATIC ssize_t
+xfs_vm_direct_IO(
 	struct kiocb		*iocb,
 	struct iov_iter		*iter,
-	loff_t			offset,
-	void			(*endio)(struct kiocb	*iocb,
-					 loff_t		offset,
-					 ssize_t	size,
-					 void		*private),
-	int			flags)
+	loff_t			offset)
 {
+	struct inode		*inode = iocb->ki_filp->f_mapping->host;
+	dio_iodone_t		*endio = NULL;
+	int			flags = 0;
 	struct block_device	*bdev;
 
-	if (IS_DAX(inode))
+	if (iov_iter_rw(iter) == WRITE) {
+		endio = xfs_end_io_direct_write;
+		flags = DIO_ASYNC_EXTEND;
+	}
+
+	if (IS_DAX(inode)) {
 		return dax_do_io(iocb, inode, iter, offset,
 				 xfs_get_blocks_direct, endio, 0);
+	}
 
 	bdev = xfs_find_bdev_for_inode(inode);
 	return  __blockdev_direct_IO(iocb, inode, bdev, iter, offset,
-				     xfs_get_blocks_direct, endio, NULL, flags);
-}
-
-STATIC ssize_t
-xfs_vm_direct_IO(
-	struct kiocb		*iocb,
-	struct iov_iter		*iter,
-	loff_t			offset)
-{
-	struct inode		*inode = iocb->ki_filp->f_mapping->host;
-
-	if (iov_iter_rw(iter) == WRITE)
-		return xfs_vm_do_dio(inode, iocb, iter, offset,
-				     xfs_end_io_direct_write, DIO_ASYNC_EXTEND);
-	return xfs_vm_do_dio(inode, iocb, iter, offset, NULL, 0);
+			xfs_get_blocks_direct, endio, NULL, flags);
 }
 
 /*
-- 
2.1.4

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  parent reply	other threads:[~2016-02-02 20:17 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-02 20:17 VFS/XFS: directio updates to ease COW handling Christoph Hellwig
2016-02-02 20:17 ` [PATCH 1/3] direct-io: always call ->end_io if non-NULL Christoph Hellwig
2016-02-03  0:05   ` Darrick J. Wong
2016-02-03 15:48     ` Christoph Hellwig
2016-02-02 20:17 ` [PATCH 2/3] xfs: don't use ioends for direct write completions Christoph Hellwig
2016-02-03 13:52   ` Brian Foster
2016-02-02 20:17 ` Christoph Hellwig [this message]
2016-02-03 13:52   ` [PATCH 3/3] xfs: fold xfs_vm_do_dio into xfs_vm_direct_IO Brian Foster
  -- strict thread matches above, loose matches on Subject: below --
2016-02-03 18:40 vfs/xfs: directio updates to ease COW handling V2 Christoph Hellwig
2016-02-03 18:40 ` [PATCH 3/3] xfs: fold xfs_vm_do_dio into xfs_vm_direct_IO Christoph Hellwig

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