Re: [PATCH 1/4] vfs: Prepare for adding a new preadv/pwritev with user flags.

On Fri, Oct 24, 2014 at 11:12 AM, Jeff Moyer [off-list ref] wrote:

Milosz Tanski [off-list ref] writes:

quoted

Plumbing the flags argument through the vfs code so they can be passed down to
__generic_file_(read/write)_iter function that do the acctual work.

                                                        ^^^^^^^
actual

quoted

Signed-off-by: Milosz Tanski <redacted>

quoted

diff --git a/fs/read_write.c b/fs/read_write.c
index 7d9318c..9858c06 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c

[...]

quoted

@@ -1113,6 +1116,7 @@ COMPAT_SYSCALL_DEFINE5(preadv, compat_ulong_t, fd,
      return __compat_sys_preadv64(fd, vec, vlen, pos);
 }

+
 static size_t compat_writev(struct file *file,
                          const struct compat_iovec __user *vec,
                          unsigned long vlen, loff_t *pos)

Lose this hunk.

quoted

diff --git a/mm/filemap.c b/mm/filemap.c
index 14b4642..cb7f530 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c

@@ -1465,7 +1465,7 @@ static void shrink_readahead_size_eio(struct file *filp,
  * of the logic when it comes to error handling etc.
  */
 static ssize_t do_generic_file_read(struct file *filp, loff_t *ppos,
-             struct iov_iter *iter, ssize_t written)
+             struct iov_iter *iter, ssize_t written, int flags)
 {
      struct address_space *mapping = filp->f_mapping;
      struct inode *inode = mapping->host;

As Christoph mentioned, this belongs elsewhere.

Fix that up and you an add my:

Reviewed-by: Jeff Moyer <redacted>

I have addresses both these issues and they'll be in the next submission.

-- 
Milosz Tanski
CTO
16 East 34th Street, 15th floor
New York, NY 10016

p: 646-253-9055
e: milosz@adfin.com

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