| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
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 8/10][RFC] aio: make direct_IO aops use file_endio_t
This converts the _locking variant of blockdev_direct_IO to use a generic
endio function, and updates all the FS callsites.
---
Documentation/filesystems/Locking | 5 +++--
Documentation/filesystems/vfs.txt | 5 +++--
fs/block_dev.c | 9 ++++-----
fs/ext2/inode.c | 12 +++++-------
fs/ext3/inode.c | 11 +++++------
fs/ext4/inode.c | 11 +++++------
fs/fat/inode.c | 12 ++++++------
fs/gfs2/ops_address.c | 8 ++++----
fs/hfs/inode.c | 13 ++++++-------
fs/hfsplus/inode.c | 13 ++++++-------
fs/jfs/inode.c | 12 +++++-------
fs/nfs/direct.c | 8 +++++---
fs/ocfs2/aops.c | 9 +++++----
fs/reiserfs/inode.c | 13 +++++--------
fs/xfs/linux-2.6/xfs_aops.c | 11 ++++++-----
fs/xfs/linux-2.6/xfs_lrw.c | 4 ++--
include/linux/fs.h | 28 +++++++++++++---------------
include/linux/nfs_fs.h | 4 ++--
mm/filemap.c | 34 ++++++++++++++++++----------------
19 files changed, 108 insertions(+), 114 deletions(-)
---
diff -urpN -X dontdiff a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
--- a/Documentation/filesystems/Locking 2007-01-12 20:26:06.000000000 -0800
+++ b/Documentation/filesystems/Locking 2007-01-12 20:42:37.000000000 -0800
@@ -169,8 +169,9 @@ prototypes:
sector_t (*bmap)(struct address_space *, sector_t);
int (*invalidatepage) (struct page *, unsigned long);
int (*releasepage) (struct page *, int);
- int (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
- loff_t offset, unsigned long nr_segs);
+ int (*direct_IO)(int, struct file *, const struct iovec *iov,
+ loff_t offset, unsigned long nr_segs,
+ file_endio_t *endio, void *endio_data);
int (*launder_page) (struct page *);
locking rules:
diff -urpN -X dontdiff a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
--- a/Documentation/filesystems/vfs.txt 2007-01-12 20:26:06.000000000 -0800
+++ b/Documentation/filesystems/vfs.txt 2007-01-12 20:42:37.000000000 -0800
@@ -537,8 +537,9 @@ struct address_space_operations {
sector_t (*bmap)(struct address_space *, sector_t);
int (*invalidatepage) (struct page *, unsigned long);
int (*releasepage) (struct page *, int);
- ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
- loff_t offset, unsigned long nr_segs);
+ ssize_t (*direct_IO)(int, struct file *, const struct iovec *iov,
+ loff_t offset, unsigned long nr_segs,
+ file_endio_t *endio, void *endio_data);
struct page* (*get_xip_page)(struct address_space *, sector_t,
int);
/* migrate the contents of a page to the specified target */
diff -urpN -X dontdiff a/fs/block_dev.c b/fs/block_dev.c
--- a/fs/block_dev.c 2007-01-12 20:29:02.000000000 -0800
+++ b/fs/block_dev.c 2007-01-12 20:42:37.000000000 -0800
@@ -222,10 +222,11 @@ static void blk_unget_page(struct page *
}
static ssize_t
-blkdev_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
- loff_t pos, unsigned long nr_segs)
+blkdev_direct_IO(int rw, struct file *file, const struct iovec *iov,
+ loff_t pos, unsigned long nr_segs, file_endio_t *endio,
+ void *endio_data)
{
- struct inode *inode = iocb->ki_filp->f_mapping->host;
+ struct inode *inode = file->f_mapping->host;
unsigned blkbits = blksize_bits(bdev_hardsect_size(I_BDEV(inode)));
unsigned blocksize_mask = (1 << blkbits) - 1;
unsigned long seg = 0; /* iov segment iterator */
@@ -239,8 +240,6 @@ blkdev_direct_IO(int rw, struct kiocb *i
loff_t size; /* size of block device */
struct bio *bio;
struct bdev_aio stack_io, *io;
- file_endio_t *endio = aio_complete;
- void *endio_data = iocb;
struct page *page;
struct pvec pvec;
diff -urpN -X dontdiff a/fs/ext2/inode.c b/fs/ext2/inode.c
--- a/fs/ext2/inode.c 2007-01-12 20:26:06.000000000 -0800
+++ b/fs/ext2/inode.c 2007-01-12 20:42:37.000000000 -0800
@@ -752,14 +752,12 @@ static sector_t ext2_bmap(struct address
}
static ssize_t
-ext2_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
- loff_t offset, unsigned long nr_segs)
+ext2_direct_IO(int rw, struct file *file, const struct iovec *iov,
+ loff_t offset, unsigned long nr_segs, file_endio_t *endio,
+ void *endio_data)
{
- struct file *file = iocb->ki_filp;
- struct inode *inode = file->f_mapping->host;
-
- return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs, ext2_get_block, NULL);
+ return blockdev_direct_IO(rw, file, iov, offset, nr_segs,
+ ext2_get_block, endio, endio_data);
}
static int
diff -urpN -X dontdiff a/fs/ext3/inode.c b/fs/ext3/inode.c
--- a/fs/ext3/inode.c 2007-01-12 20:26:06.000000000 -0800
+++ b/fs/ext3/inode.c 2007-01-12 20:42:37.000000000 -0800
@@ -1681,11 +1681,11 @@ static int ext3_releasepage(struct page
* If the O_DIRECT write is intantiating holes inside i_size and the machine
* crashes then stale disk data _may_ be exposed inside the file.
*/
-static ssize_t ext3_direct_IO(int rw, struct kiocb *iocb,
+static ssize_t ext3_direct_IO(int rw, struct file *file,
const struct iovec *iov, loff_t offset,
- unsigned long nr_segs)
+ unsigned long nr_segs, file_endio_t *endio,
+ void *endio_data)
{
- struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
struct ext3_inode_info *ei = EXT3_I(inode);
handle_t *handle = NULL;
@@ -1710,9 +1710,8 @@ static ssize_t ext3_direct_IO(int rw, st
}
}
- ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs,
- ext3_get_block, NULL);
+ ret = blockdev_direct_IO(rw, file, iov, offset, nr_segs,
+ ext3_get_block, endio, endio_data);
/*
* Reacquire the handle: ext3_get_block() can restart the transaction
diff -urpN -X dontdiff a/fs/ext4/inode.c b/fs/ext4/inode.c
--- a/fs/ext4/inode.c 2007-01-12 20:26:06.000000000 -0800
+++ b/fs/ext4/inode.c 2007-01-12 20:42:37.000000000 -0800
@@ -1680,11 +1680,11 @@ static int ext4_releasepage(struct page
* If the O_DIRECT write is intantiating holes inside i_size and the machine
* crashes then stale disk data _may_ be exposed inside the file.
*/
-static ssize_t ext4_direct_IO(int rw, struct kiocb *iocb,
+static ssize_t ext4_direct_IO(int rw, struct file *file,
const struct iovec *iov, loff_t offset,
- unsigned long nr_segs)
+ unsigned long nr_segs, file_endio_t *endio,
+ void *endio_data)
{
- struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
struct ext4_inode_info *ei = EXT4_I(inode);
handle_t *handle = NULL;
@@ -1709,9 +1709,8 @@ static ssize_t ext4_direct_IO(int rw, st
}
}
- ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs,
- ext4_get_block, NULL);
+ ret = blockdev_direct_IO(rw, file, iov, offset, nr_segs,
+ ext4_get_block, endio, endio_data);
/*
* Reacquire the handle: ext4_get_block() can restart the transaction
diff -urpN -X dontdiff a/fs/fat/inode.c b/fs/fat/inode.c
--- a/fs/fat/inode.c 2007-01-12 20:26:06.000000000 -0800
+++ b/fs/fat/inode.c 2007-01-12 20:42:37.000000000 -0800
@@ -159,11 +159,11 @@ static int fat_commit_write(struct file
return err;
}
-static ssize_t fat_direct_IO(int rw, struct kiocb *iocb,
- const struct iovec *iov,
- loff_t offset, unsigned long nr_segs)
+static ssize_t fat_direct_IO(int rw, struct file *file,
+ const struct iovec *iov, loff_t offset,
+ unsigned long nr_segs, file_endio_t *endio,
+ void *endio_data)
{
- struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
if (rw == WRITE) {
@@ -183,8 +183,8 @@ static ssize_t fat_direct_IO(int rw, str
* FAT need to use the DIO_LOCKING for avoiding the race
* condition of fat_get_block() and ->truncate().
*/
- return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs, fat_get_block, NULL);
+ return blockdev_direct_IO(rw, file, iov, offset, nr_segs,
+ fat_get_block, endio, endio_data);
}
static sector_t _fat_bmap(struct address_space *mapping, sector_t block)
diff -urpN -X dontdiff a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
--- a/fs/gfs2/ops_address.c 2007-01-12 20:57:42.000000000 -0800
+++ b/fs/gfs2/ops_address.c 2007-01-12 20:42:37.000000000 -0800
@@ -602,11 +602,11 @@ static int gfs2_ok_for_dio(struct gfs2_i
-static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb,
+static ssize_t gfs2_direct_IO(int rw, struct file *file,
const struct iovec *iov, loff_t offset,
- unsigned long nr_segs)
+ unsigned long nr_segs, file_endio_t *endio,
+ void *endio_data)
{
- struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
@@ -630,7 +630,7 @@ static ssize_t gfs2_direct_IO(int rw, st
rv = blockdev_direct_IO_no_locking(rw, file, iov, offset, nr_segs,
gfs2_get_block_direct, NULL, NULL,
- aio_complete, iocb);
+ endio, endio_data);
out:
gfs2_glock_dq_m(1, &gh);
gfs2_holder_uninit(&gh);
diff -urpN -X dontdiff a/fs/hfs/inode.c b/fs/hfs/inode.c
--- a/fs/hfs/inode.c 2007-01-12 20:26:06.000000000 -0800
+++ b/fs/hfs/inode.c 2007-01-12 20:42:37.000000000 -0800
@@ -98,14 +98,13 @@ static int hfs_releasepage(struct page *
return res ? try_to_free_buffers(page) : 0;
}
-static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb,
- const struct iovec *iov, loff_t offset, unsigned long nr_segs)
+static ssize_t hfs_direct_IO(int rw, struct file *file,
+ const struct iovec *iov, loff_t offset,
+ unsigned long nr_segs, file_endio_t *endio,
+ void *endio_data)
{
- struct file *file = iocb->ki_filp;
- struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
-
- return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs, hfs_get_block, NULL);
+ return blockdev_direct_IO(rw, file, iov, offset, nr_segs,
+ hfs_get_block, endio, endio_data);
}
static int hfs_writepages(struct address_space *mapping,
diff -urpN -X dontdiff a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
--- a/fs/hfsplus/inode.c 2007-01-12 20:26:06.000000000 -0800
+++ b/fs/hfsplus/inode.c 2007-01-12 20:42:37.000000000 -0800
@@ -93,14 +93,13 @@ static int hfsplus_releasepage(struct pa
return res ? try_to_free_buffers(page) : 0;
}
-static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb,
- const struct iovec *iov, loff_t offset, unsigned long nr_segs)
+static ssize_t hfsplus_direct_IO(int rw, struct file *file,
+ const struct iovec *iov,
+ loff_t offset, unsigned long nr_segs,
+ file_endio_t *endio, void *endio_data)
{
- struct file *file = iocb->ki_filp;
- struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
-
- return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs, hfsplus_get_block, NULL);
+ return blockdev_direct_IO(rw, file, iov, offset, nr_segs,
+ hfsplus_get_block, endio, endio_data);
}
static int hfsplus_writepages(struct address_space *mapping,
diff -urpN -X dontdiff a/fs/jfs/inode.c b/fs/jfs/inode.c
--- a/fs/jfs/inode.c 2007-01-12 20:26:06.000000000 -0800
+++ b/fs/jfs/inode.c 2007-01-12 20:42:37.000000000 -0800
@@ -287,14 +287,12 @@ static sector_t jfs_bmap(struct address_
return generic_block_bmap(mapping, block, jfs_get_block);
}
-static ssize_t jfs_direct_IO(int rw, struct kiocb *iocb,
- const struct iovec *iov, loff_t offset, unsigned long nr_segs)
+static ssize_t jfs_direct_IO(int rw, struct file *file,
+ const struct iovec *iov, loff_t offset, unsigned long nr_segs,
+ file_endio_t *endio, void *endio_data)
{
- struct file *file = iocb->ki_filp;
- struct inode *inode = file->f_mapping->host;
-
- return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs, jfs_get_block, NULL);
+ return blockdev_direct_IO(rw, file, iov, offset, nr_segs,
+ jfs_get_block, endio, endio_data);
}
const struct address_space_operations jfs_aops = {
diff -urpN -X dontdiff a/fs/nfs/direct.c b/fs/nfs/direct.c
--- a/fs/nfs/direct.c 2007-01-12 20:29:14.000000000 -0800
+++ b/fs/nfs/direct.c 2007-01-12 20:55:00.000000000 -0800
@@ -104,7 +104,7 @@ static inline int put_dreq(struct nfs_di
/**
* nfs_direct_IO - NFS address space operation for direct I/O
* @rw: direction (read or write)
- * @iocb: target I/O control block
+ * @file: target file
* @iov: array of vectors that define I/O buffer
* @pos: offset in file to begin the operation
* @nr_segs: size of iovec array
@@ -114,10 +114,12 @@ static inline int put_dreq(struct nfs_di
* read and write requests before the VFS gets them, so this method
* should never be called.
*/
-ssize_t nfs_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, loff_t pos, unsigned long nr_segs)
+ssize_t nfs_direct_IO(int rw, struct file *file, const struct iovec *iov,
+ loff_t pos, unsigned long nr_segs,
+ file_endio_t *endio, void *endio_data)
{
dprintk("NFS: nfs_direct_IO (%s) off/no(%Ld/%lu) EINVAL\n",
- iocb->ki_filp->f_path.dentry->d_name.name,
+ file->f_path.dentry->d_name.name,
(long long) pos, nr_segs);
return -EINVAL;
diff -urpN -X dontdiff a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
--- a/fs/ocfs2/aops.c 2007-01-12 20:57:42.000000000 -0800
+++ b/fs/ocfs2/aops.c 2007-01-12 20:42:37.000000000 -0800
@@ -611,12 +611,13 @@ static void ocfs2_dio_end_io(void *destr
}
static ssize_t ocfs2_direct_IO(int rw,
- struct kiocb *iocb,
+ struct file *file,
const struct iovec *iov,
loff_t offset,
- unsigned long nr_segs)
+ unsigned long nr_segs,
+ file_endio_t *endio,
+ void *endio_data)
{
- struct file *file = iocb->ki_filp;
struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
int ret;
@@ -643,7 +644,7 @@ static ssize_t ocfs2_direct_IO(int rw,
ret = blockdev_direct_IO_no_locking(rw, file, iov, offset, nr_segs,
ocfs2_direct_IO_get_blocks,
ocfs2_dio_end_io, inode,
- aio_complete, iocb);
+ endio, endio_data);
out:
mlog_exit(ret);
return ret;
diff -urpN -X dontdiff a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
--- a/fs/reiserfs/inode.c 2007-01-12 20:26:06.000000000 -0800
+++ b/fs/reiserfs/inode.c 2007-01-12 20:42:37.000000000 -0800
@@ -2888,16 +2888,13 @@ static int reiserfs_releasepage(struct p
/* We thank Mingming Cao for helping us understand in great detail what
to do in this section of the code. */
-static ssize_t reiserfs_direct_IO(int rw, struct kiocb *iocb,
+static ssize_t reiserfs_direct_IO(int rw, struct file *file,
const struct iovec *iov, loff_t offset,
- unsigned long nr_segs)
+ unsigned long nr_segs, file_endio_t *endio,
+ void *endio_data)
{
- struct file *file = iocb->ki_filp;
- struct inode *inode = file->f_mapping->host;
-
- return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
- offset, nr_segs,
- reiserfs_get_blocks_direct_io, NULL);
+ return blockdev_direct_IO(rw, file, iov, offset, nr_segs,
+ reiserfs_get_blocks_direct_io, endio, endio_data);
}
int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
diff -urpN -X dontdiff a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
--- a/fs/xfs/linux-2.6/xfs_aops.c 2007-01-12 20:57:42.000000000 -0800
+++ b/fs/xfs/linux-2.6/xfs_aops.c 2007-01-12 20:42:38.000000000 -0800
@@ -1361,12 +1361,13 @@ xfs_end_io_direct(
STATIC ssize_t
xfs_vm_direct_IO(
int rw,
- struct kiocb *iocb,
+ struct file *file,
const struct iovec *iov,
loff_t offset,
- unsigned long nr_segs)
+ unsigned long nr_segs,
+ file_endio_t *endio,
+ void *endio_data)
{
- struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
bhv_vnode_t *vp = vn_from_inode(inode);
xfs_iomap_t iomap;
@@ -1387,13 +1388,13 @@ xfs_vm_direct_IO(
iov, offset, nr_segs,
xfs_get_blocks_direct,
xfs_end_io_direct, ioend,
- aio_complete, iocb);
+ endio, endio_data);
} else {
ret = blockdev_direct_IO_no_locking(rw, file,
iov, offset, nr_segs,
xfs_get_blocks_direct,
xfs_end_io_direct, ioend,
- aio_complete, iocb);
+ endio, endio_data);
}
if (unlikely(ret < 0 && ret != -EIOCBQUEUED))
diff -urpN -X dontdiff a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
--- a/fs/xfs/linux-2.6/xfs_lrw.c 2007-01-12 20:26:07.000000000 -0800
+++ b/fs/xfs/linux-2.6/xfs_lrw.c 2007-01-12 20:42:38.000000000 -0800
@@ -836,8 +836,8 @@ retry:
xfs_rw_enter_trace(XFS_DIOWR_ENTER, io, (void *)iovp, segs,
*offset, ioflags);
- ret = generic_file_direct_write(iocb, iovp,
- &segs, pos, offset, count, ocount);
+ ret = generic_file_direct_write(file, iovp, &segs, pos,
+ offset, count, ocount, aio_complete, iocb);
/*
* direct-io write to a hole: fall through to buffered I/O
diff -urpN -X dontdiff a/include/linux/fs.h b/include/linux/fs.h
--- a/include/linux/fs.h 2007-01-12 20:57:42.000000000 -0800
+++ b/include/linux/fs.h 2007-01-12 20:42:38.000000000 -0800
@@ -309,6 +309,8 @@ typedef int (get_block_t)(struct inode *
typedef void (dio_iodone_t)(void *destructor_data, ssize_t bytes,
void *private);
+typedef void (file_endio_t)(void *endio_data, ssize_t count, int err);
+
/*
* Attribute flags. These should be or-ed together to figure out what
* has been changed!
@@ -421,8 +423,9 @@ struct address_space_operations {
sector_t (*bmap)(struct address_space *, sector_t);
void (*invalidatepage) (struct page *, unsigned long);
int (*releasepage) (struct page *, gfp_t);
- ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
- loff_t offset, unsigned long nr_segs);
+ ssize_t (*direct_IO)(int rw, struct file *file, const struct iovec *iov,
+ loff_t offset, unsigned long nr_segs,
+ file_endio_t *endio, void *endio_data);
struct page* (*get_xip_page)(struct address_space *, sector_t,
int);
/* migrate the contents of a page to the specified target */
@@ -1109,8 +1112,6 @@ typedef int (*read_actor_t)(read_descrip
#define HAVE_COMPAT_IOCTL 1
#define HAVE_UNLOCKED_IOCTL 1
-typedef void (file_endio_t)(void *endio_data, ssize_t count, int err);
-
/*
* NOTE:
* read, write, poll, fsync, readv, writev, unlocked_ioctl and compat_ioctl
@@ -1772,8 +1773,9 @@ extern ssize_t generic_file_aio_read(str
extern ssize_t generic_file_aio_write(struct kiocb *, const struct iovec *, unsigned long, loff_t);
extern ssize_t generic_file_aio_write_nolock(struct kiocb *, const struct iovec *,
unsigned long, loff_t);
-extern ssize_t generic_file_direct_write(struct kiocb *, const struct iovec *,
- unsigned long *, loff_t, loff_t *, size_t, size_t);
+extern ssize_t generic_file_direct_write(struct file *, const struct iovec *,
+ unsigned long *, loff_t, loff_t *,
+ size_t, size_t, file_endio_t, void *);
extern ssize_t generic_file_buffered_write(struct kiocb *, const struct iovec *,
unsigned long, loff_t, loff_t *, size_t, ssize_t);
extern ssize_t do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos);
@@ -1844,16 +1846,12 @@ enum {
DIO_OWN_LOCKING, /* filesystem locks buffered and direct internally */
};
-static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
- struct inode *inode, struct block_device *bdev, const struct iovec *iov,
- loff_t offset, unsigned long nr_segs, get_block_t get_block,
- dio_iodone_t end_io)
-{
- struct file *file = iocb->ki_filp;
- file_endio_t *file_endio = &aio_complete;
- void *endio_data = iocb;
+static inline ssize_t blockdev_direct_IO(int rw, struct file *file,
+ const struct iovec *iov, loff_t offset, unsigned long nr_segs,
+ get_block_t get_block, file_endio_t file_endio, void *endio_data)
+{
return __blockdev_direct_IO(rw, file, iov, offset, nr_segs, get_block,
- end_io, NULL, file_endio, endio_data, DIO_LOCKING);
+ NULL, NULL, file_endio, endio_data, DIO_LOCKING);
}
static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct file *file,
diff -urpN -X dontdiff a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
--- a/include/linux/nfs_fs.h 2007-01-12 20:29:14.000000000 -0800
+++ b/include/linux/nfs_fs.h 2007-01-12 20:42:38.000000000 -0800
@@ -367,8 +367,8 @@ extern int nfs3_removexattr (struct dent
/*
* linux/fs/nfs/direct.c
*/
-extern ssize_t nfs_direct_IO(int, struct kiocb *, const struct iovec *, loff_t,
- unsigned long);
+extern ssize_t nfs_direct_IO(int, struct file *, const struct iovec *, loff_t,
+ unsigned long, file_endio_t, void *);
extern ssize_t nfs_file_direct_read(struct file *file,
const struct iovec *iov, unsigned long nr_segs,
loff_t *pos, file_endio_t *endio, void *endio_data);
diff -urpN -X dontdiff a/mm/filemap.c b/mm/filemap.c
--- a/mm/filemap.c 2007-01-12 20:26:07.000000000 -0800
+++ b/mm/filemap.c 2007-01-12 20:42:38.000000000 -0800
@@ -41,8 +41,9 @@
#include <asm/mman.h>
static ssize_t
-generic_file_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
- loff_t offset, unsigned long nr_segs);
+generic_file_direct_IO(int rw, struct file *file, const struct iovec *iov,
+ loff_t offset, unsigned long nr_segs,
+ file_endio_t *endio, void *endio_data);
/*
* Shared mappings implemented 30.11.1994. It's not fully working yet,
@@ -1223,8 +1224,8 @@ generic_file_aio_read(struct kiocb *iocb
goto out; /* skip atime */
size = i_size_read(inode);
if (pos < size) {
- retval = generic_file_direct_IO(READ, iocb,
- iov, pos, nr_segs);
+ retval = generic_file_direct_IO(READ, filp, iov, pos,
+ nr_segs, aio_complete, iocb);
if (retval > 0)
*ppos = pos + retval;
}
@@ -2078,11 +2079,10 @@ inline int generic_write_checks(struct f
EXPORT_SYMBOL(generic_write_checks);
ssize_t
-generic_file_direct_write(struct kiocb *iocb, const struct iovec *iov,
- unsigned long *nr_segs, loff_t pos, loff_t *ppos,
- size_t count, size_t ocount)
+generic_file_direct_write(struct file *file, const struct iovec *iov,
+ unsigned long *nr_segs, loff_t pos, loff_t *ppos, size_t count,
+ size_t ocount, file_endio_t *endio, void *endio_data)
{
- struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
struct inode *inode = mapping->host;
ssize_t written;
@@ -2090,7 +2090,8 @@ generic_file_direct_write(struct kiocb *
if (count != ocount)
*nr_segs = iov_shorten((struct iovec *)iov, *nr_segs, count);
- written = generic_file_direct_IO(WRITE, iocb, iov, pos, *nr_segs);
+ written = generic_file_direct_IO(WRITE, file, iov, pos,
+ *nr_segs, endio, endio_data);
if (written > 0) {
loff_t end = pos + written;
if (end > i_size_read(inode) && !S_ISBLK(inode->i_mode)) {
@@ -2343,8 +2344,9 @@ __generic_file_aio_write_nolock(struct k
loff_t endbyte;
ssize_t written_buffered;
- written = generic_file_direct_write(iocb, iov, &nr_segs, pos,
- ppos, count, ocount);
+ written = generic_file_direct_write(file, iov, &nr_segs, pos,
+ ppos, count, ocount,
+ aio_complete, iocb);
if (written < 0 || written == count)
goto out;
/*
@@ -2457,10 +2459,10 @@ EXPORT_SYMBOL(generic_file_aio_write);
* went wrong during pagecache shootdown.
*/
static ssize_t
-generic_file_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
- loff_t offset, unsigned long nr_segs)
+generic_file_direct_IO(int rw, struct file *file, const struct iovec *iov,
+ loff_t offset, unsigned long nr_segs,
+ file_endio_t *endio, void *endio_data)
{
- struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
ssize_t retval;
size_t write_len = 0;
@@ -2478,8 +2480,8 @@ generic_file_direct_IO(int rw, struct ki
retval = filemap_write_and_wait(mapping);
if (retval == 0) {
- retval = mapping->a_ops->direct_IO(rw, iocb, iov,
- offset, nr_segs);
+ retval = mapping->a_ops->direct_IO(rw, file, iov, offset,
+ nr_segs, endio, endio_data);
if (rw == WRITE && mapping->nrpages) {
pgoff_t end = (offset + write_len - 1)
>> PAGE_CACHE_SHIFT;
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists