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filemap: remove the pos argument to generic_file_direct_write 

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig 2016-04-07 08:51:56 -07:00 committed by Al Viro
parent c64fb5c744
commit 1af5bb491f
4 changed files with 9 additions and 9 deletions
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9
fs/btrfs/file.c
View File

@ -1703,18 +1703,17 @@ again:
return num_written ? num_written : ret;
}
static ssize_t __btrfs_direct_write(struct kiocb *iocb,
struct iov_iter *from,
loff_t pos)
static ssize_t __btrfs_direct_write(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
loff_t pos = iocb->ki_pos;
ssize_t written;
ssize_t written_buffered;
loff_t endbyte;
int err;
written = generic_file_direct_write(iocb, from, pos);
written = generic_file_direct_write(iocb, from);
if (written < 0 || !iov_iter_count(from))
return written;
@ -1832,7 +1831,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
atomic_inc(&BTRFS_I(inode)->sync_writers);
if (iocb->ki_flags & IOCB_DIRECT) {
num_written = __btrfs_direct_write(iocb, from, pos);
num_written = __btrfs_direct_write(iocb, from);
} else {
num_written = __btrfs_buffered_write(file, from, pos);
if (num_written > 0)

2
fs/fuse/file.c
View File

@ -1186,7 +1186,7 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (iocb->ki_flags & IOCB_DIRECT) {
loff_t pos = iocb->ki_pos;
written = generic_file_direct_write(iocb, from, pos);
written = generic_file_direct_write(iocb, from);
if (written < 0 || !iov_iter_count(from))
goto out;

2
include/linux/fs.h
View File

@ -2703,7 +2703,7 @@ extern ssize_t generic_write_checks(struct kiocb *, struct iov_iter *);
extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *);
extern ssize_t __generic_file_write_iter(struct kiocb *, struct iov_iter *);
extern ssize_t generic_file_write_iter(struct kiocb *, struct iov_iter *);
extern ssize_t generic_file_direct_write(struct kiocb *, struct iov_iter *, loff_t);
extern ssize_t generic_file_direct_write(struct kiocb *, struct iov_iter *);
extern ssize_t generic_perform_write(struct file *, struct iov_iter *, loff_t);
ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos);

5
mm/filemap.c
View File

@ -2499,11 +2499,12 @@ int pagecache_write_end(struct file *file, struct address_space *mapping,
EXPORT_SYMBOL(pagecache_write_end);
ssize_t
generic_file_direct_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos)
generic_file_direct_write(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct address_space *mapping = file->f_mapping;
struct inode *inode = mapping->host;
loff_t pos = iocb->ki_pos;
ssize_t written;
size_t write_len;
pgoff_t end;
@ -2717,7 +2718,7 @@ ssize_t __generic_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (iocb->ki_flags & IOCB_DIRECT) {
loff_t pos, endbyte;
written = generic_file_direct_write(iocb, from, iocb->ki_pos);
written = generic_file_direct_write(iocb, from);
/*
* If the write stopped short of completing, fall back to
* buffered writes. Some filesystems do this for writes to