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From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Cc: kwolf@redhat.com, qemu-devel@nongnu.org
Subject: [PULL 03/26] block: switch to co_wrapper for bdrv_is_allocated_*
Date: Thu, 12 Oct 2023 18:22:01 +0200	[thread overview]
Message-ID: <20231012162224.240535-4-kwolf@redhat.com> (raw)
In-Reply-To: <20231012162224.240535-1-kwolf@redhat.com>

From: Paolo Bonzini <pbonzini@redhat.com>

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230904100306.156197-4-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 include/block/block-io.h | 12 +++++----
 block/io.c               | 53 ++++++----------------------------------
 2 files changed, 14 insertions(+), 51 deletions(-)

diff --git a/include/block/block-io.h b/include/block/block-io.h
index 41f78f2fc5..6485b194a4 100644
--- a/include/block/block-io.h
+++ b/include/block/block-io.h
@@ -147,16 +147,18 @@ bdrv_block_status_above(BlockDriverState *bs, BlockDriverState *base,
 int coroutine_fn GRAPH_RDLOCK
 bdrv_co_is_allocated(BlockDriverState *bs, int64_t offset, int64_t bytes,
                      int64_t *pnum);
-int bdrv_is_allocated(BlockDriverState *bs, int64_t offset, int64_t bytes,
-                      int64_t *pnum);
+int co_wrapper_mixed_bdrv_rdlock
+bdrv_is_allocated(BlockDriverState *bs, int64_t offset,
+                  int64_t bytes, int64_t *pnum);
 
 int coroutine_fn GRAPH_RDLOCK
 bdrv_co_is_allocated_above(BlockDriverState *top, BlockDriverState *base,
                            bool include_base, int64_t offset, int64_t bytes,
                            int64_t *pnum);
-int bdrv_is_allocated_above(BlockDriverState *top, BlockDriverState *base,
-                            bool include_base, int64_t offset, int64_t bytes,
-                            int64_t *pnum);
+int co_wrapper_mixed_bdrv_rdlock
+bdrv_is_allocated_above(BlockDriverState *bs, BlockDriverState *base,
+                        bool include_base, int64_t offset,
+                        int64_t bytes, int64_t *pnum);
 
 int coroutine_fn GRAPH_RDLOCK
 bdrv_co_is_zero_fast(BlockDriverState *bs, int64_t offset, int64_t bytes);
diff --git a/block/io.c b/block/io.c
index 4ecc21c562..b15a1ea880 100644
--- a/block/io.c
+++ b/block/io.c
@@ -2777,45 +2777,6 @@ int coroutine_fn bdrv_co_is_allocated(BlockDriverState *bs, int64_t offset,
     return !!(ret & BDRV_BLOCK_ALLOCATED);
 }
 
-int bdrv_is_allocated(BlockDriverState *bs, int64_t offset, int64_t bytes,
-                      int64_t *pnum)
-{
-    int ret;
-    int64_t dummy;
-    IO_CODE();
-
-    ret = bdrv_common_block_status_above(bs, bs, true, false, offset,
-                                         bytes, pnum ? pnum : &dummy, NULL,
-                                         NULL, NULL);
-    if (ret < 0) {
-        return ret;
-    }
-    return !!(ret & BDRV_BLOCK_ALLOCATED);
-}
-
-/* See bdrv_is_allocated_above for documentation */
-int coroutine_fn bdrv_co_is_allocated_above(BlockDriverState *top,
-                                            BlockDriverState *base,
-                                            bool include_base, int64_t offset,
-                                            int64_t bytes, int64_t *pnum)
-{
-    int depth;
-    int ret;
-    IO_CODE();
-
-    ret = bdrv_co_common_block_status_above(top, base, include_base, false,
-                                            offset, bytes, pnum, NULL, NULL,
-                                            &depth);
-    if (ret < 0) {
-        return ret;
-    }
-
-    if (ret & BDRV_BLOCK_ALLOCATED) {
-        return depth;
-    }
-    return 0;
-}
-
 /*
  * Given an image chain: ... -> [BASE] -> [INTER1] -> [INTER2] -> [TOP]
  *
@@ -2833,18 +2794,18 @@ int coroutine_fn bdrv_co_is_allocated_above(BlockDriverState *top,
  * words, the result is not necessarily the maximum possible range);
  * but 'pnum' will only be 0 when end of file is reached.
  */
-int bdrv_is_allocated_above(BlockDriverState *top,
-                            BlockDriverState *base,
-                            bool include_base, int64_t offset,
-                            int64_t bytes, int64_t *pnum)
+int coroutine_fn bdrv_co_is_allocated_above(BlockDriverState *bs,
+                                            BlockDriverState *base,
+                                            bool include_base, int64_t offset,
+                                            int64_t bytes, int64_t *pnum)
 {
     int depth;
     int ret;
     IO_CODE();
 
-    ret = bdrv_common_block_status_above(top, base, include_base, false,
-                                         offset, bytes, pnum, NULL, NULL,
-                                         &depth);
+    ret = bdrv_co_common_block_status_above(bs, base, include_base, false,
+                                            offset, bytes, pnum, NULL, NULL,
+                                            &depth);
     if (ret < 0) {
         return ret;
     }
-- 
2.41.0



  parent reply	other threads:[~2023-10-12 16:31 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-12 16:21 [PULL 00/26] Block layer patches Kevin Wolf
2023-10-12 16:21 ` [PULL 01/26] block: rename the bdrv_co_block_status static function Kevin Wolf
2023-10-12 16:22 ` [PULL 02/26] block: complete public block status API Kevin Wolf
2023-10-12 16:22 ` Kevin Wolf [this message]
2023-10-12 16:22 ` [PULL 04/26] block: convert more bdrv_is_allocated* and bdrv_block_status* calls to coroutine versions Kevin Wolf
2023-10-12 16:22 ` [PULL 05/26] test-bdrv-drain: Don't call bdrv_graph_wrlock() in coroutine context Kevin Wolf
2023-10-12 16:22 ` [PULL 06/26] block-coroutine-wrapper: Add no_co_wrapper_bdrv_rdlock functions Kevin Wolf
2023-10-12 16:22 ` [PULL 07/26] block: Take graph rdlock in bdrv_inactivate_all() Kevin Wolf
2023-10-12 16:22 ` [PULL 08/26] block: Mark bdrv_first_blk() and bdrv_is_root_node() GRAPH_RDLOCK Kevin Wolf
2023-10-12 16:22 ` [PULL 09/26] block: Mark drain related functions GRAPH_RDLOCK Kevin Wolf
2023-10-12 16:22 ` [PULL 10/26] block: Mark bdrv_parent_cb_resize() and callers GRAPH_RDLOCK Kevin Wolf
2023-10-12 16:22 ` [PULL 11/26] block: Mark bdrv_snapshot_fallback() " Kevin Wolf
2023-10-12 16:22 ` [PULL 12/26] block: Take graph rdlock in parts of reopen Kevin Wolf
2023-10-12 16:22 ` [PULL 13/26] block: Mark bdrv_get_xdbg_block_graph() and callers GRAPH_RDLOCK Kevin Wolf
2023-10-12 16:22 ` [PULL 14/26] block: Mark bdrv_refresh_filename() " Kevin Wolf
2023-10-12 16:22 ` [PULL 15/26] block: Mark bdrv_primary_child() " Kevin Wolf
2023-10-12 16:22 ` [PULL 16/26] block: Mark bdrv_get_parent_name() " Kevin Wolf
2023-10-12 16:22 ` [PULL 17/26] block: Mark bdrv_amend_options() " Kevin Wolf
2023-10-12 16:22 ` [PULL 18/26] qcow2: Mark qcow2_signal_corruption() " Kevin Wolf
2023-10-12 16:22 ` [PULL 19/26] qcow2: Mark qcow2_inactivate() " Kevin Wolf
2023-10-12 16:22 ` [PULL 20/26] qcow2: Mark check_constraints_on_bitmap() GRAPH_RDLOCK Kevin Wolf
2023-10-12 16:22 ` [PULL 21/26] block: Mark bdrv_op_is_blocked() and callers GRAPH_RDLOCK Kevin Wolf
2023-10-12 16:22 ` [PULL 22/26] block: Mark bdrv_apply_auto_read_only() " Kevin Wolf
2023-10-12 16:22 ` [PULL 23/26] block: Mark bdrv_get_specific_info() " Kevin Wolf
2023-10-12 16:22 ` [PULL 24/26] block: Protect bs->parents with graph_lock Kevin Wolf
2023-10-12 16:22 ` [PULL 25/26] block: Protect bs->children " Kevin Wolf
2023-10-12 16:22 ` [PULL 26/26] block: Add assertion for bdrv_graph_wrlock() Kevin Wolf
2023-10-16 19:20 ` [PULL 00/26] Block layer patches Stefan Hajnoczi

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