block: reorder the REQ_ flags

Keep the op-specific flag last so that they are clearly separate from
the generic flags.  Various recent commits just kept adding new flags
at the end.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220512061408.1826595-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 4968cb1..30f9a53 100644 (file)
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -408,16 +408,17 @@ enum req_flag_bits {
         * work item to avoid such priority inversions.
         */
        __REQ_CGROUP_PUNT,
-
-       /* command specific flags for REQ_OP_WRITE_ZEROES: */
-       __REQ_NOUNMAP,          /* do not free blocks when zeroing */
-
        __REQ_POLLED,           /* caller polls for completion using bio_poll */
        __REQ_ALLOC_CACHE,      /* allocate IO from cache if available */
+       __REQ_SWAP,             /* swap I/O */
+       __REQ_DRV,              /* for driver use */
+
+       /*
+        * Command specific flags, keep last:
+        */
+       /* for REQ_OP_WRITE_ZEROES: */
+       __REQ_NOUNMAP,          /* do not free blocks when zeroing */
 
-       /* for driver use */
-       __REQ_DRV,
-       __REQ_SWAP,             /* swapping request. */
        __REQ_NR_BITS,          /* stops here */
 };