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Commit 1af5bb49 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro
Browse files

filemap: remove the pos argument to generic_file_direct_write 



Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c64fb5c7

fs/btrfs/file.c

+4 −5
Original line number Diff line number Diff line
@@ -1703,18 +1703,17 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file, 
	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)

fs/fuse/file.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

include/linux/fs.h

+1 −1
Original line number Diff line number Diff line
@@ -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);

mm/filemap.c

+3 −2
Original line number Diff line number Diff line
@@ -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