btrfs_file_aio_write(): get rid of ppos

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 34e096201da106ccb298dc9f13e11ceddd34524b..f6032a2bfab91f8cf533bb8317772a1d15c0652c 100644 (file)
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1631,7 +1631,7 @@ again:
 static ssize_t __btrfs_direct_write(struct kiocb *iocb,
                                    const struct iovec *iov,
                                    unsigned long nr_segs, loff_t pos,
-                                   loff_t *ppos, size_t count, size_t ocount)
+                                   size_t count, size_t ocount)
 {
        struct file *file = iocb->ki_filp;
        struct iov_iter i;
@@ -1640,7 +1640,7 @@ static ssize_t __btrfs_direct_write(struct kiocb *iocb,
        loff_t endbyte;
        int err;
 
-       written = generic_file_direct_write(iocb, iov, &nr_segs, pos, ppos,
+       written = generic_file_direct_write(iocb, iov, &nr_segs, pos, &iocb->ki_pos,
                                            count, ocount);
 
        if (written < 0 || written == count)
@@ -1659,7 +1659,7 @@ static ssize_t __btrfs_direct_write(struct kiocb *iocb,
        if (err)
                goto out;
        written += written_buffered;
-       *ppos = pos + written_buffered;
+       iocb->ki_pos = pos + written_buffered;
        invalidate_mapping_pages(file->f_mapping, pos >> PAGE_CACHE_SHIFT,
                                 endbyte >> PAGE_CACHE_SHIFT);
 out:
@@ -1691,7 +1691,6 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
        struct file *file = iocb->ki_filp;
        struct inode *inode = file_inode(file);
        struct btrfs_root *root = BTRFS_I(inode)->root;
-       loff_t *ppos = &iocb->ki_pos;
        u64 start_pos;
        ssize_t num_written = 0;
        ssize_t err = 0;
@@ -1759,7 +1758,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 
        if (unlikely(file->f_flags & O_DIRECT)) {
                num_written = __btrfs_direct_write(iocb, iov, nr_segs,
-                                                  pos, ppos, count, ocount);
+                                                  pos, count, ocount);
        } else {
                struct iov_iter i;
 
@@ -1767,7 +1766,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 
                num_written = __btrfs_buffered_write(file, &i, pos);
                if (num_written > 0)
-                       *ppos = pos + num_written;
+                       iocb->ki_pos = pos + num_written;
        }
 
        mutex_unlock(&inode->i_mutex);