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direct_IO: use iov_iter_rw() instead of rw everywhere

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The rw parameter to direct_IO is redundant with iov_iter->type, and
treated slightly differently just about everywhere it's used: some users
do rw & WRITE, and others do rw == WRITE where they should be doing a
bitwise check. Simplify this with the new iov_iter_rw() helper, which
always returns either READ or WRITE.

Signed-off-by: Omar Sandoval <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Omar Sandoval 2015-03-16 04:33:52 -07:00 • committed by Al Viro
commit 6f67376318
22 changed files with 69 additions and 69 deletions
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2
fs/9p/vfs_addr.c
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@ -253,7 +253,7 @@ v9fs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
struct file *file = iocb->ki_filp;
ssize_t n;
int err = 0;
if (rw & WRITE) {
if (iov_iter_rw(iter) == WRITE) {
n = p9_client_write(file->private_data, pos, iter, &err);
if (n) {
struct inode *inode = file_inode(file);