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authorAl Viro <viro@zeniv.linux.org.uk>2014-04-03 14:25:22 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2014-05-06 17:39:40 -0400
commit3ef045c3d8ae8550abbfd44074efce6ff642cc86 (patch)
tree046fd518ecb00555730da0c7f57cce57091beafb /fs/ocfs2
parentbf97f3bc0c32140c43fe5ca53d23514ea46a54ca (diff)
downloadlinux-3ef045c3d8ae8550abbfd44074efce6ff642cc86.tar.bz2
ocfs2: switch to ->write_iter()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/file.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index bfaaba5373b9..64909ac2be43 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2233,15 +2233,13 @@ out:
return ret;
}
-static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
- const struct iovec *iov,
- unsigned long nr_segs,
- loff_t pos)
+static ssize_t ocfs2_file_write_iter(struct kiocb *iocb,
+ struct iov_iter *from)
{
int ret, direct_io, appending, rw_level, have_alloc_sem = 0;
int can_do_direct, has_refcount = 0;
ssize_t written = 0;
- size_t count; /* after file limit checks */
+ size_t count = iov_iter_count(from);
loff_t old_size, *ppos = &iocb->ki_pos;
u32 old_clusters;
struct file *file = iocb->ki_filp;
@@ -2250,16 +2248,12 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
int full_coherency = !(osb->s_mount_opt &
OCFS2_MOUNT_COHERENCY_BUFFERED);
int unaligned_dio = 0;
- struct iov_iter from;
-
- count = iov_length(iov, nr_segs);
- iov_iter_init(&from, WRITE, iov, nr_segs, count);
trace_ocfs2_file_aio_write(inode, file, file->f_path.dentry,
(unsigned long long)OCFS2_I(inode)->ip_blkno,
file->f_path.dentry->d_name.len,
file->f_path.dentry->d_name.name,
- (unsigned int)nr_segs);
+ (unsigned int)from->nr_segs); /* GRRRRR */
if (iocb->ki_nbytes == 0)
return 0;
@@ -2362,16 +2356,16 @@ relock:
if (ret)
goto out_dio;
- iov_iter_truncate(&from, count);
+ iov_iter_truncate(from, count);
if (direct_io) {
- written = generic_file_direct_write(iocb, &from, *ppos);
+ written = generic_file_direct_write(iocb, from, *ppos);
if (written < 0) {
ret = written;
goto out_dio;
}
} else {
current->backing_dev_info = file->f_mapping->backing_dev_info;
- written = generic_perform_write(file, &from, *ppos);
+ written = generic_perform_write(file, from, *ppos);
if (likely(written >= 0))
iocb->ki_pos = *ppos + written;
current->backing_dev_info = NULL;
@@ -2606,7 +2600,7 @@ static ssize_t ocfs2_file_read_iter(struct kiocb *iocb,
/* buffered aio wouldn't have proper lock coverage today */
BUG_ON(ret == -EIOCBQUEUED && !(filp->f_flags & O_DIRECT));
- /* see ocfs2_file_aio_write */
+ /* see ocfs2_file_write_iter */
if (ret == -EIOCBQUEUED || !ocfs2_iocb_is_rw_locked(iocb)) {
rw_level = -1;
have_alloc_sem = 0;
@@ -2700,13 +2694,13 @@ const struct inode_operations ocfs2_special_file_iops = {
const struct file_operations ocfs2_fops = {
.llseek = ocfs2_file_llseek,
.read = new_sync_read,
- .write = do_sync_write,
+ .write = new_sync_write,
.mmap = ocfs2_mmap,
.fsync = ocfs2_sync_file,
.release = ocfs2_file_release,
.open = ocfs2_file_open,
.read_iter = ocfs2_file_read_iter,
- .aio_write = ocfs2_file_aio_write,
+ .write_iter = ocfs2_file_write_iter,
.unlocked_ioctl = ocfs2_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ocfs2_compat_ioctl,
@@ -2748,13 +2742,13 @@ const struct file_operations ocfs2_dops = {
const struct file_operations ocfs2_fops_no_plocks = {
.llseek = ocfs2_file_llseek,
.read = new_sync_read,
- .write = do_sync_write,
+ .write = new_sync_write,
.mmap = ocfs2_mmap,
.fsync = ocfs2_sync_file,
.release = ocfs2_file_release,
.open = ocfs2_file_open,
.read_iter = ocfs2_file_read_iter,
- .aio_write = ocfs2_file_aio_write,
+ .write_iter = ocfs2_file_write_iter,
.unlocked_ioctl = ocfs2_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ocfs2_compat_ioctl,