Author: kib
Date: Mon Jun 26 12:17:04 2017
New Revision: 320356
URL: https://svnweb.freebsd.org/changeset/base/320356
Log:
MFC r320108:
Allow negative aio_offset only for the read and write LIO ops on
device nodes.
Approved by: re (marius)
Modified:
stable/11/sys/kern/vfs_aio.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/kern/vfs_aio.c
==============================================================================
--- stable/11/sys/kern/vfs_aio.c Mon Jun 26 09:34:41 2017
(r320355)
+++ stable/11/sys/kern/vfs_aio.c Mon Jun 26 12:17:04 2017
(r320356)
@@ -1550,7 +1550,9 @@ aio_aqueue(struct thread *td, struct aiocb *ujob, stru
goto aqueue_fail;
}
- if (opcode != LIO_SYNC && job->uaiocb.aio_offset == -1LL) {
+ if ((opcode == LIO_READ || opcode == LIO_WRITE) &&
+ job->uaiocb.aio_offset < 0 &&
+ (fp->f_vnode == NULL || fp->f_vnode->v_type != VCHR)) {
error = EINVAL;
goto aqueue_fail;
}
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