Patchwork [RFC,32/36] block: make round_to_clusters public

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Submitter Paolo Bonzini
Date June 15, 2012, 3:05 p.m.
Message ID <1339772759-31004-33-git-send-email-pbonzini@redhat.com>
Download mbox | patch
Permalink /patch/165188/
State New
Headers show

Comments

Paolo Bonzini - June 15, 2012, 3:05 p.m.
This is needed in the following patch.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 block.c |   16 ++++++++--------
 block.h |    4 ++++
 2 files changed, 12 insertions(+), 8 deletions(-)

Patch

diff --git a/block.c b/block.c
index a105f9e..35ceed5 100644
--- a/block.c
+++ b/block.c
@@ -1456,10 +1456,10 @@  static void tracked_request_begin(BdrvTrackedRequest *req,
 /**
  * Round a region to cluster boundaries
  */
-static void round_to_clusters(BlockDriverState *bs,
-                              int64_t sector_num, int nb_sectors,
-                              int64_t *cluster_sector_num,
-                              int *cluster_nb_sectors)
+void bdrv_round_to_clusters(BlockDriverState *bs,
+                            int64_t sector_num, int nb_sectors,
+                            int64_t *cluster_sector_num,
+                            int *cluster_nb_sectors)
 {
     BlockDriverInfo bdi;
 
@@ -1501,8 +1501,8 @@  static void coroutine_fn wait_for_overlapping_requests(BlockDriverState *bs,
      * CoR read and write operations are atomic and guest writes cannot
      * interleave between them.
      */
-    round_to_clusters(bs, sector_num, nb_sectors,
-                      &cluster_sector_num, &cluster_nb_sectors);
+    bdrv_round_to_clusters(bs, sector_num, nb_sectors,
+                           &cluster_sector_num, &cluster_nb_sectors);
 
     do {
         retry = false;
@@ -1811,8 +1811,8 @@  static int coroutine_fn bdrv_co_do_copy_on_readv(BlockDriverState *bs,
     /* Cover entire cluster so no additional backing file I/O is required when
      * allocating cluster in the image file.
      */
-    round_to_clusters(bs, sector_num, nb_sectors,
-                      &cluster_sector_num, &cluster_nb_sectors);
+    bdrv_round_to_clusters(bs, sector_num, nb_sectors,
+                           &cluster_sector_num, &cluster_nb_sectors);
 
     trace_bdrv_co_do_copy_on_readv(bs, sector_num, nb_sectors,
                                    cluster_sector_num, cluster_nb_sectors);
diff --git a/block.h b/block.h
index 0d8f21c..a79f26b 100644
--- a/block.h
+++ b/block.h
@@ -312,6 +312,10 @@  int bdrv_get_flags(BlockDriverState *bs);
 int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
                           const uint8_t *buf, int nb_sectors);
 int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
+void bdrv_round_to_clusters(BlockDriverState *bs,
+                            int64_t sector_num, int nb_sectors,
+                            int64_t *cluster_sector_num,
+                            int *cluster_nb_sectors);
 
 const char *bdrv_get_encrypted_filename(BlockDriverState *bs);
 void bdrv_get_backing_filename(BlockDriverState *bs,