summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorPeter Maydell2017-06-30 17:29:51 +0200
committerPeter Maydell2017-06-30 17:29:51 +0200
commit82d76dc7fc19a5eb9f731d7faed1792bb97214e0 (patch)
tree264c6521046007c6bd8ea2358c06b75a22371e85 /include
parentMerge remote-tracking branch 'remotes/vivier/tags/m68k-for-2.10-pull-request'... (diff)
parentblock: Exploit BDRV_BLOCK_EOF for larger zero blocks (diff)
downloadqemu-82d76dc7fc19a5eb9f731d7faed1792bb97214e0.tar.gz
qemu-82d76dc7fc19a5eb9f731d7faed1792bb97214e0.tar.xz
qemu-82d76dc7fc19a5eb9f731d7faed1792bb97214e0.zip
Merge remote-tracking branch 'remotes/famz/tags/block-pull-request' into staging
# gpg: Signature made Fri 30 Jun 2017 15:08:45 BST # gpg: using RSA key 0xCA35624C6A9171C6 # gpg: Good signature from "Fam Zheng <famz@redhat.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 5003 7CB7 9706 0F76 F021 AD56 CA35 624C 6A91 71C6 * remotes/famz/tags/block-pull-request: block: Exploit BDRV_BLOCK_EOF for larger zero blocks block: Add BDRV_BLOCK_EOF to bdrv_get_block_status() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/block/block.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 85e4be7462..4c149adb17 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -129,6 +129,7 @@ typedef struct HDGeometry {
* BDRV_BLOCK_OFFSET_VALID: an associated offset exists for accessing raw data
* BDRV_BLOCK_ALLOCATED: the content of the block is determined by this
* layer (short for DATA || ZERO), set by block layer
+ * BDRV_BLOCK_EOF: the returned pnum covers through end of file for this layer
*
* Internal flag:
* BDRV_BLOCK_RAW: used internally to indicate that the request was
@@ -157,6 +158,7 @@ typedef struct HDGeometry {
#define BDRV_BLOCK_OFFSET_VALID 0x04
#define BDRV_BLOCK_RAW 0x08
#define BDRV_BLOCK_ALLOCATED 0x10
+#define BDRV_BLOCK_EOF 0x20
#define BDRV_BLOCK_OFFSET_MASK BDRV_SECTOR_MASK
typedef QSIMPLEQ_HEAD(BlockReopenQueue, BlockReopenQueueEntry) BlockReopenQueue;