1 files changed, 23 insertions, 117 deletions

diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 41cfcba7ce49..d93d8dd1958d 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -49,50 +49,49 @@ static struct vm_operations_struct xfs_dmapi_file_vm_ops;
 STATIC inline ssize_t
 __xfs_file_read(
         struct kiocb            *iocb,
-        char                    __user *buf,
+        const struct iovec      *iov,
+        unsigned long           nr_segs,
         int                     ioflags,
-        size_t                  count,
         loff_t                  pos)
 {
-        struct iovec            iov = {buf, count};
         struct file             *file = iocb->ki_filp;
         bhv_vnode_t             *vp = vn_from_inode(file->f_dentry->d_inode);
 
         BUG_ON(iocb->ki_pos != pos);
         if (unlikely(file->f_flags & O_DIRECT))
                 ioflags |= IO_ISDIRECT;
-        return bhv_vop_read(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL);
+        return bhv_vop_read(vp, iocb, iov, nr_segs, &iocb->ki_pos,
+                                ioflags, NULL);
 }
 
 STATIC ssize_t
 xfs_file_aio_read(
         struct kiocb            *iocb,
-        char                    __user *buf,
-        size_t                  count,
+        const struct iovec      *iov,
+        unsigned long           nr_segs,
         loff_t                  pos)
 {
-        return __xfs_file_read(iocb, buf, IO_ISAIO, count, pos);
+        return __xfs_file_read(iocb, iov, nr_segs, IO_ISAIO, pos);
 }
 
 STATIC ssize_t
 xfs_file_aio_read_invis(
         struct kiocb            *iocb,
-        char                    __user *buf,
-        size_t                  count,
+        const struct iovec      *iov,
+        unsigned long           nr_segs,
         loff_t                  pos)
 {
-        return __xfs_file_read(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
+        return __xfs_file_read(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos);
 }
 
 STATIC inline ssize_t
 __xfs_file_write(
-        struct kiocb    *iocb,
-        const char      __user *buf,
-        int             ioflags,
-        size_t          count,
-        loff_t          pos)
+        struct kiocb            *iocb,
+        const struct iovec      *iov,
+        unsigned long           nr_segs,
+        int                     ioflags,
+        loff_t                  pos)
 {
-        struct iovec    iov = {(void __user *)buf, count};
         struct file     *file = iocb->ki_filp;
         struct inode    *inode = file->f_mapping->host;
         bhv_vnode_t     *vp = vn_from_inode(inode);
@@ -100,117 +99,28 @@ __xfs_file_write(
         BUG_ON(iocb->ki_pos != pos);
         if (unlikely(file->f_flags & O_DIRECT))
                 ioflags |= IO_ISDIRECT;
-        return bhv_vop_write(vp, iocb, &iov, 1, &iocb->ki_pos, ioflags, NULL);
+        return bhv_vop_write(vp, iocb, iov, nr_segs, &iocb->ki_pos,
+                                ioflags, NULL);
 }
 
 STATIC ssize_t
 xfs_file_aio_write(
         struct kiocb            *iocb,
-        const char              __user *buf,
-        size_t                  count,
+        const struct iovec      *iov,
+        unsigned long           nr_segs,
         loff_t                  pos)
 {
-        return __xfs_file_write(iocb, buf, IO_ISAIO, count, pos);
+        return __xfs_file_write(iocb, iov, nr_segs, IO_ISAIO, pos);
 }
 
 STATIC ssize_t
 xfs_file_aio_write_invis(
         struct kiocb            *iocb,
-        const char              __user *buf,
-        size_t                  count,
-        loff_t                  pos)
-{
-        return __xfs_file_write(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
-}
-
-STATIC inline ssize_t
-__xfs_file_readv(
-        struct file             *file,
-        const struct iovec      *iov,
-        int                     ioflags,
-        unsigned long           nr_segs,
-        loff_t                  *ppos)
-{
-        struct inode    *inode = file->f_mapping->host;
-        bhv_vnode_t     *vp = vn_from_inode(inode);
-        struct kiocb    kiocb;
-        ssize_t         rval;
-
-        init_sync_kiocb(&kiocb, file);
-        kiocb.ki_pos = *ppos;
-
-        if (unlikely(file->f_flags & O_DIRECT))
-                ioflags |= IO_ISDIRECT;
-        rval = bhv_vop_read(vp, &kiocb, iov, nr_segs,
-                                &kiocb.ki_pos, ioflags, NULL);
-
-        *ppos = kiocb.ki_pos;
-        return rval;
-}
-
-STATIC ssize_t
-xfs_file_readv(
-        struct file             *file,
-        const struct iovec      *iov,
-        unsigned long           nr_segs,
-        loff_t                  *ppos)
-{
-        return __xfs_file_readv(file, iov, 0, nr_segs, ppos);
-}
-
-STATIC ssize_t
-xfs_file_readv_invis(
-        struct file             *file,
-        const struct iovec      *iov,
-        unsigned long           nr_segs,
-        loff_t                  *ppos)
-{
-        return __xfs_file_readv(file, iov, IO_INVIS, nr_segs, ppos);
-}
-
-STATIC inline ssize_t
-__xfs_file_writev(
-        struct file             *file,
-        const struct iovec      *iov,
-        int                     ioflags,
-        unsigned long           nr_segs,
-        loff_t                  *ppos)
-{
-        struct inode    *inode = file->f_mapping->host;
-        bhv_vnode_t     *vp = vn_from_inode(inode);
-        struct kiocb    kiocb;
-        ssize_t         rval;
-
-        init_sync_kiocb(&kiocb, file);
-        kiocb.ki_pos = *ppos;
-        if (unlikely(file->f_flags & O_DIRECT))
-                ioflags |= IO_ISDIRECT;
-
-        rval = bhv_vop_write(vp, &kiocb, iov, nr_segs,
-                                 &kiocb.ki_pos, ioflags, NULL);
-
-        *ppos = kiocb.ki_pos;
-        return rval;
-}
-
-STATIC ssize_t
-xfs_file_writev(
-        struct file             *file,
-        const struct iovec      *iov,
+        const struct iovec      *iov,
         unsigned long           nr_segs,
-        loff_t                  *ppos)
-{
-        return __xfs_file_writev(file, iov, 0, nr_segs, ppos);
-}
-
-STATIC ssize_t
-xfs_file_writev_invis(
-        struct file             *file,
-        const struct iovec      *iov,
-        unsigned long           nr_segs,
-        loff_t                  *ppos)
+        loff_t                  pos)
 {
-        return __xfs_file_writev(file, iov, IO_INVIS, nr_segs, ppos);
+        return __xfs_file_write(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos);
 }
 
 STATIC ssize_t
@@ -540,8 +450,6 @@ const struct file_operations xfs_file_operations = {
         .llseek         = generic_file_llseek,
         .read           = do_sync_read,
         .write          = do_sync_write,
-        .readv          = xfs_file_readv,
-        .writev         = xfs_file_writev,
         .aio_read       = xfs_file_aio_read,
         .aio_write      = xfs_file_aio_write,
         .sendfile       = xfs_file_sendfile,
@@ -565,8 +473,6 @@ const struct file_operations xfs_invis_file_operations = {
         .llseek         = generic_file_llseek,
         .read           = do_sync_read,
         .write          = do_sync_write,
-        .readv          = xfs_file_readv_invis,
-        .writev         = xfs_file_writev_invis,
         .aio_read       = xfs_file_aio_read_invis,
         .aio_write      = xfs_file_aio_write_invis,
         .sendfile       = xfs_file_sendfile_invis,