linux-kernel - [PATCH -mm 3/10][RFC] aio: use iov_length instead of ki

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Message-Id: <20070116015450.9764.52713.patchbomb.py@nate-64.agami.com>
Date:	Mon, 15 Jan 2007 17:54:50 -0800
From:	Nate Diller <nate@...mi.com>
To:	Nate Diller <nate.diller@...il.com>, Andrew Morton <akpm@...l.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Suparna Bhattacharya <suparna@...ibm.com>,
	Kenneth W Chen <kenneth.w.chen@...el.com>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Christoph Hellwig <hch@...radead.org>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	netdev@...r.kernel.org, ocfs2-devel@....oracle.com,
	linux-aio@...ck.org, xfs-masters@....sgi.com
Subject: [PATCH -mm 3/10][RFC] aio: use iov_length instead of ki_left

Convert code using iocb->ki_left to use the more generic iov_length() call. 

---

diff -urpN -X dontdiff a/fs/ocfs2/file.c b/fs/ocfs2/file.c
--- a/fs/ocfs2/file.c	2007-01-10 11:50:26.000000000 -0800
+++ b/fs/ocfs2/file.c	2007-01-10 12:42:09.000000000 -0800
@@ -1157,7 +1157,7 @@ static ssize_t ocfs2_file_aio_write(stru
 		   filp->f_path.dentry->d_name.name);
 
 	/* happy write of zero bytes */
-	if (iocb->ki_left == 0)
+	if (iov_length(iov, nr_segs) == 0)
 		return 0;
 
 	mutex_lock(&inode->i_mutex);
@@ -1177,7 +1177,7 @@ static ssize_t ocfs2_file_aio_write(stru
 	}
 
 	ret = ocfs2_prepare_inode_for_write(filp->f_path.dentry, &iocb->ki_pos,
-					    iocb->ki_left, appending);
+					iov_length(iov, nr_segs), appending);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
diff -urpN -X dontdiff a/fs/smbfs/file.c b/fs/smbfs/file.c
--- a/fs/smbfs/file.c	2007-01-10 11:50:28.000000000 -0800
+++ b/fs/smbfs/file.c	2007-01-10 12:42:09.000000000 -0800
@@ -222,7 +222,7 @@ smb_file_aio_read(struct kiocb *iocb, co
 	ssize_t	status;
 
 	VERBOSE("file %s/%s, count=%lu@%lu\n", DENTRY_PATH(dentry),
-		(unsigned long) iocb->ki_left, (unsigned long) pos);
+		(unsigned long) iov_length(iov, nr_segs), (unsigned long) pos);
 
 	status = smb_revalidate_inode(dentry);
 	if (status) {
@@ -328,7 +328,7 @@ smb_file_aio_write(struct kiocb *iocb, c
 
 	VERBOSE("file %s/%s, count=%lu@%lu\n",
 		DENTRY_PATH(dentry),
-		(unsigned long) iocb->ki_left, (unsigned long) pos);
+		(unsigned long) iov_length(iov, nr_segs), (unsigned long) pos);
 
 	result = smb_revalidate_inode(dentry);
 	if (result) {
@@ -341,7 +341,7 @@ smb_file_aio_write(struct kiocb *iocb, c
 	if (result)
 		goto out;
 
-	if (iocb->ki_left > 0) {
+	if (iov_length(iov, nr_segs) > 0) {
 		result = generic_file_aio_write(iocb, iov, nr_segs, pos);
 		VERBOSE("pos=%ld, size=%ld, mtime=%ld, atime=%ld\n",
 			(long) file->f_pos, (long) dentry->d_inode->i_size,
diff -urpN -X dontdiff a/fs/udf/file.c b/fs/udf/file.c
--- a/fs/udf/file.c	2007-01-10 11:53:02.000000000 -0800
+++ b/fs/udf/file.c	2007-01-10 12:42:09.000000000 -0800
@@ -109,7 +109,7 @@ static ssize_t udf_file_aio_write(struct
 	struct file *file = iocb->ki_filp;
 	struct inode *inode = file->f_path.dentry->d_inode;
 	int err, pos;
-	size_t count = iocb->ki_left;
+	size_t count = iov_length(iov, nr_segs);
 
 	if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB)
 	{
diff -urpN -X dontdiff a/net/socket.c b/net/socket.c
--- a/net/socket.c	2007-01-10 12:40:54.000000000 -0800
+++ b/net/socket.c	2007-01-10 12:42:09.000000000 -0800
@@ -632,7 +632,7 @@ static ssize_t sock_aio_read(struct kioc
 	if (pos != 0)
 		return -ESPIPE;
 
-	if (iocb->ki_left == 0)	/* Match SYS5 behaviour */
+	if (iov_length(iov, nr_segs) == 0)	/* Match SYS5 behaviour */
 		return 0;
 
 	for (i = 0; i < nr_segs; i++)
@@ -660,7 +660,7 @@ static ssize_t sock_aio_write(struct kio
 	if (pos != 0)
 		return -ESPIPE;
 
-	if (iocb->ki_left == 0)	/* Match SYS5 behaviour */
+	if (iov_length(iov, nr_segs) == 0)	/* Match SYS5 behaviour */
 		return 0;
 
 	for (i = 0; i < nr_segs; i++)
-
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