Defer processing of REQ_PREEMPT requests for blocked devices

[linux-beck.git] / include / linux / blk_types.h

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index c294e3e25e37a50a953a4a0bb3cb1aa66ba904d9..a1b25e35ea5f9fc2978b7f62917c6b4e39c3dc75 100644 (file)
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -181,7 +181,9 @@ enum rq_flag_bits {
        __REQ_ELVPRIV,          /* elevator private data attached */
        __REQ_FAILED,           /* set if the request failed */
        __REQ_QUIET,            /* don't worry about errors */
-       __REQ_PREEMPT,          /* set for "ide_preempt" requests */
+       __REQ_PREEMPT,          /* set for "ide_preempt" requests and also
+                                  for requests for which the SCSI "quiesce"
+                                  state must be ignored. */
        __REQ_ALLOCED,          /* request came from our alloc pool */
        __REQ_COPY_USER,        /* contains copies of user pages */
        __REQ_FLUSH_SEQ,        /* request for flush sequence */