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[Qemu-devel] [PULL 4/6] migration/block: rename MAX_INFLIGHT_IO to MAX_I


From: Dr. David Alan Gilbert (git)
Subject: [Qemu-devel] [PULL 4/6] migration/block: rename MAX_INFLIGHT_IO to MAX_IO_BUFFERS
Date: Fri, 9 Mar 2018 17:54:51 +0000

From: Peter Lieven <address@hidden>

this actually limits (as the original commit mesage suggests) the
number of I/O buffers that can be allocated and not the number
of parallel (inflight) I/O requests.

Signed-off-by: Peter Lieven <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
 migration/block.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/migration/block.c b/migration/block.c
index 87bb35ce63..41b95d1dd8 100644
--- a/migration/block.c
+++ b/migration/block.c
@@ -36,7 +36,7 @@
 
 #define MAX_IS_ALLOCATED_SEARCH (65536 * BDRV_SECTOR_SIZE)
 
-#define MAX_INFLIGHT_IO 512
+#define MAX_IO_BUFFERS 512
 
 //#define DEBUG_BLK_MIGRATION
 
@@ -775,9 +775,8 @@ static int block_save_iterate(QEMUFile *f, void *opaque)
     while ((block_mig_state.submitted +
             block_mig_state.read_done) * BLOCK_SIZE <
            qemu_file_get_rate_limit(f) &&
-           (block_mig_state.submitted +
-            block_mig_state.read_done) <
-           MAX_INFLIGHT_IO) {
+           (block_mig_state.submitted + block_mig_state.read_done) <
+           MAX_IO_BUFFERS) {
         blk_mig_unlock();
         if (block_mig_state.bulk_completed == 0) {
             /* first finish the bulk phase */
-- 
2.14.3




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