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ocfs2: switch to ->read_iter()

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tracepoints are evil, exhibit #6969...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-04-02 14:44:18 -04:00
parent 027978295d
commit 3cd9ad5a30
1 changed files with 10 additions and 11 deletions
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21
fs/ocfs2/file.c
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@ -2529,7 +2529,7 @@ static ssize_t ocfs2_file_splice_read(struct file *in,
in->f_path.dentry->d_name.name, len);
/*
* See the comment in ocfs2_file_aio_read()
* See the comment in ocfs2_file_read_iter()
*/
ret = ocfs2_inode_lock_atime(inode, in->f_path.mnt, &lock_level);
if (ret < 0) {
@ -2544,10 +2544,8 @@ bail:
return ret;
}
static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
const struct iovec *iov,
unsigned long nr_segs,
loff_t pos)
static ssize_t ocfs2_file_read_iter(struct kiocb *iocb,
struct iov_iter *to)
{
int ret = 0, rw_level = -1, have_alloc_sem = 0, lock_level = 0;
struct file *filp = iocb->ki_filp;
@ -2556,7 +2554,8 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
trace_ocfs2_file_aio_read(inode, filp, filp->f_path.dentry,
(unsigned long long)OCFS2_I(inode)->ip_blkno,
filp->f_path.dentry->d_name.len,
filp->f_path.dentry->d_name.name, nr_segs);
filp->f_path.dentry->d_name.name,
to->nr_segs); /* GRRRRR */
if (!inode) {
@ -2601,7 +2600,7 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
}
ocfs2_inode_unlock(inode, lock_level);
ret = generic_file_aio_read(iocb, iov, nr_segs, iocb->ki_pos);
ret = generic_file_read_iter(iocb, to);
trace_generic_file_aio_read_ret(ret);
/* buffered aio wouldn't have proper lock coverage today */
@ -2700,13 +2699,13 @@ const struct inode_operations ocfs2_special_file_iops = {
*/
const struct file_operations ocfs2_fops = {
.llseek = ocfs2_file_llseek,
.read = do_sync_read,
.read = new_sync_read,
.write = do_sync_write,
.mmap = ocfs2_mmap,
.fsync = ocfs2_sync_file,
.release = ocfs2_file_release,
.open = ocfs2_file_open,
.aio_read = ocfs2_file_aio_read,
.read_iter = ocfs2_file_read_iter,
.aio_write = ocfs2_file_aio_write,
.unlocked_ioctl = ocfs2_ioctl,
#ifdef CONFIG_COMPAT
@ -2748,13 +2747,13 @@ const struct file_operations ocfs2_dops = {
*/
const struct file_operations ocfs2_fops_no_plocks = {
.llseek = ocfs2_file_llseek,
.read = do_sync_read,
.read = new_sync_read,
.write = do_sync_write,
.mmap = ocfs2_mmap,
.fsync = ocfs2_sync_file,
.release = ocfs2_file_release,
.open = ocfs2_file_open,
.aio_read = ocfs2_file_aio_read,
.read_iter = ocfs2_file_read_iter,
.aio_write = ocfs2_file_aio_write,
.unlocked_ioctl = ocfs2_ioctl,
#ifdef CONFIG_COMPAT