commit 2fd6163884d74e74dd1ef54ab229d15c61d0b4cb
author Paolo Bonzini <pbonzini@redhat.com> Thu Mar 01 17:36:19 2018 +0100
committer Kevin Wolf <kwolf@redhat.com> Fri Mar 09 15:17:47 2018 +0100
tree 42dd511fe872ce7489ac3768ffc9522d7759191c
parent 2b148f392b2bfeba76d3e6d9607c3bd072350e8c

block: convert bdrv_check callback to coroutine_fn

Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1516279431-30424-8-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block/qed-table.c

diff --git a/block/qed-table.c b/block/qed-table.c
index eead8b0..7df5680 100644
--- a/block/qed-table.c
+++ b/block/qed-table.c
@@ -18,7 +18,7 @@
 #include "qed.h"
 #include "qemu/bswap.h"
 
-/* Called either from qed_check or with table_lock held.  */
+/* Called with table_lock held.  */
 static int qed_read_table(BDRVQEDState *s, uint64_t offset, QEDTable *table)
 {
     QEMUIOVector qiov;
@@ -33,13 +33,9 @@
 
     trace_qed_read_table(s, offset, table);
 
-    if (qemu_in_coroutine()) {
-        qemu_co_mutex_unlock(&s->table_lock);
-    }
+    qemu_co_mutex_unlock(&s->table_lock);
     ret = bdrv_preadv(s->bs->file, offset, &qiov);
-    if (qemu_in_coroutine()) {
-        qemu_co_mutex_lock(&s->table_lock);
-    }
+    qemu_co_mutex_lock(&s->table_lock);
     if (ret < 0) {
         goto out;
     }
@@ -67,7 +63,7 @@
  * @n:          Number of elements
  * @flush:      Whether or not to sync to disk
  *
- * Called either from qed_check or with table_lock held.
+ * Called with table_lock held.
  */
 static int qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table,
                            unsigned int index, unsigned int n, bool flush)
@@ -104,13 +100,9 @@
     /* Adjust for offset into table */
     offset += start * sizeof(uint64_t);
 
-    if (qemu_in_coroutine()) {
-        qemu_co_mutex_unlock(&s->table_lock);
-    }
+    qemu_co_mutex_unlock(&s->table_lock);
     ret = bdrv_pwritev(s->bs->file, offset, &qiov);
-    if (qemu_in_coroutine()) {
-        qemu_co_mutex_lock(&s->table_lock);
-    }
+    qemu_co_mutex_lock(&s->table_lock);
     trace_qed_write_table_cb(s, table, flush, ret);
     if (ret < 0) {
         goto out;
@@ -134,7 +126,7 @@
     return qed_read_table(s, s->header.l1_table_offset, s->l1_table);
 }
 
-/* Called either from qed_check or with table_lock held.  */
+/* Called with table_lock held.  */
 int qed_write_l1_table(BDRVQEDState *s, unsigned int index, unsigned int n)
 {
     BLKDBG_EVENT(s->bs->file, BLKDBG_L1_UPDATE);
@@ -148,7 +140,7 @@
     return qed_write_l1_table(s, index, n);
 }
 
-/* Called either from qed_check or with table_lock held.  */
+/* Called with table_lock held.  */
 int qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset)
 {
     int ret;
@@ -191,7 +183,7 @@
     return qed_read_l2_table(s, request, offset);
 }
 
-/* Called either from qed_check or with table_lock held.  */
+/* Called with table_lock held.  */
 int qed_write_l2_table(BDRVQEDState *s, QEDRequest *request,
                        unsigned int index, unsigned int n, bool flush)
 {