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[Qemu-devel] [PATCH 37/41] block-migration: Switch meaning of return val
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 37/41] block-migration: Switch meaning of return value |
Date: |
Tue, 2 Oct 2012 13:33:32 +0200 |
Make consistent the result of blk_mig_save_dirty_block() and
mig_save_device_dirty()
Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Paolo Bonzini <address@hidden>
---
block-migration.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/block-migration.c b/block-migration.c
index a822bb2..565628f 100644
--- a/block-migration.c
+++ b/block-migration.c
@@ -429,14 +429,18 @@ error:
return 0;
}
+/* return value:
+ * 0: too much data for max_downtime
+ * 1: few enough data for max_downtime
+*/
static int blk_mig_save_dirty_block(QEMUFile *f, int is_async)
{
BlkMigDevState *bmds;
- int ret = 0;
+ int ret = 1;
QSIMPLEQ_FOREACH(bmds, &block_mig_state.bmds_list, entry) {
- if (mig_save_device_dirty(f, bmds, is_async) == 0) {
- ret = 1;
+ ret = mig_save_device_dirty(f, bmds, is_async);
+ if (ret == 0) {
break;
}
}
@@ -594,7 +598,7 @@ static int block_save_iterate(QEMUFile *f, void *opaque)
block_mig_state.bulk_completed = 1;
}
} else {
- if (blk_mig_save_dirty_block(f, 1) == 0) {
+ if (blk_mig_save_dirty_block(f, 1) != 0) {
/* no more dirty blocks */
break;
}
@@ -631,7 +635,7 @@ static int block_save_complete(QEMUFile *f, void *opaque)
all async read completed */
assert(block_mig_state.submitted == 0);
- while (blk_mig_save_dirty_block(f, 0) != 0) {
+ while (blk_mig_save_dirty_block(f, 0) == 0) {
/* Do nothing */
}
blk_mig_cleanup();
--
1.7.11.4
- [Qemu-devel] [PATCH 16/41] BufferedFile: append, then flush, (continued)
- [Qemu-devel] [PATCH 16/41] BufferedFile: append, then flush, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 19/41] buffered_file: unfold migrate_fd_put_buffer, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 21/41] buffered_file: unfold migrate_fd_wait_for_unfreeze, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 26/41] migration: make migrate_fd_wait_for_unfreeze() return errors, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 22/41] buffered_file: unfold migrate_fd_close, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 30/41] savevm: make qemu_fflush() return an error code, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 29/41] savevm: Remove qemu_fseek(), Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 28/41] virtio-net: use qemu_get_buffer() in a temp buffer, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 33/41] savevm: make qemu_fill_buffer() be consistent, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 36/41] block-migration: make flush_blks() return errors, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 37/41] block-migration: Switch meaning of return value,
Juan Quintela <=
- [Qemu-devel] [PATCH 38/41] block-migration: handle errors with the return codes correctly, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 40/41] savevm: make qemu_file_put_notify() return errors, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 39/41] savevm: un-export qemu_file_set_error(), Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 31/41] savevm: unfold qemu_fclose_internal(), Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 24/41] buffered_file: callers of buffered_flush() already check for errors, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 41/41] cpus: create qemu_in_vcpu_thread(), Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 27/41] savevm: unexport qemu_fflush, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 23/41] buffered_file: We can access directly to bandwidth_limit, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 25/41] buffered_file: make buffered_flush return the error code, Juan Quintela, 2012/10/02
- [Qemu-devel] [PATCH 34/41] savevm: Only qemu_fflush() can generate errors, Juan Quintela, 2012/10/02