xfs: switch to ->read_iter()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-04-02 14:37:59 -04:00
parent aad4f8bb42
commit b4f5d2c6d1

View File

@ -229,32 +229,27 @@ xfs_file_fsync(
}
STATIC ssize_t
xfs_file_aio_read(
xfs_file_read_iter(
struct kiocb *iocb,
const struct iovec *iovp,
unsigned long nr_segs,
loff_t pos)
struct iov_iter *to)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
size_t size = 0;
size_t size = iov_iter_count(to);
ssize_t ret = 0;
int ioflags = 0;
xfs_fsize_t n;
loff_t pos = iocb->ki_pos;
XFS_STATS_INC(xs_read_calls);
BUG_ON(iocb->ki_pos != pos);
if (unlikely(file->f_flags & O_DIRECT))
ioflags |= IO_ISDIRECT;
if (file->f_mode & FMODE_NOCMTIME)
ioflags |= IO_INVIS;
size = iov_length(iovp, nr_segs);
if (unlikely(ioflags & IO_ISDIRECT)) {
xfs_buftarg_t *target =
XFS_IS_REALTIME_INODE(ip) ?
@ -307,7 +302,7 @@ xfs_file_aio_read(
trace_xfs_file_read(ip, size, pos, ioflags);
ret = generic_file_aio_read(iocb, iovp, nr_segs, pos);
ret = generic_file_read_iter(iocb, to);
if (ret > 0)
XFS_STATS_ADD(xs_read_bytes, ret);
@ -1453,9 +1448,9 @@ xfs_file_llseek(
const struct file_operations xfs_file_operations = {
.llseek = xfs_file_llseek,
.read = do_sync_read,
.read = new_sync_read,
.write = do_sync_write,
.aio_read = xfs_file_aio_read,
.read_iter = xfs_file_read_iter,
.aio_write = xfs_file_aio_write,
.splice_read = xfs_file_splice_read,
.splice_write = xfs_file_splice_write,