Re: [PATCH 1/1] Btrfs: fix sparse warning

[Zach Brown]

> > > @@ -515,7 +515,8 @@ static int write_buf(struct file *filp, const void *buf,
> > > u32 len, loff_t *off)
> >
> > Though this probably wants to be rewritten in terms of kernel_write().
> > That'd give an opportunity to get rid of the sctx->send_off and have it
> > use f_pos in the filp.
> 
> Do you mean directly call kernel_write from send_cmd/send_header ?
> I guess that loop around vfs_write in write_buf is there for something ...

write_buf() could still exist to iterate over the buffer in the case of
partial writes but it doesn't need to muck around with set_fs() and
forcing casts.

- z
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