vn_rdwr() didn't properly advance the file position

This would cause problems when using 'zfs send' with a file as the
target (rather than a pipe or a socket as is usually the case) as
for each write the destination offset in the file would be 0.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes ZFS issue #391

diff --git a/module/spl/spl-vnode.c b/module/spl/spl-vnode.c
index 1b5cc5a0824413cfb56a54bc81fa01586b1670d2..354e8798b9709b5a1ac80d053e0afc7a1fdaff71 100644 (file)
--- a/module/spl/spl-vnode.c
+++ b/module/spl/spl-vnode.c
@@ -247,6 +247,7 @@ vn_rdwr(uio_rw_t uio, vnode_t *vp, void *addr, ssize_t len, offset_t off,
                rc = vfs_read(fp, addr, len, &offset);
 
        set_fs(saved_fs);
+       fp->f_pos = offset;
 
        if (rc < 0)
                SRETURN(-rc);