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[Qemu-block] [PATCH v3 24/32] blockdev: Separate qed probe from its driv
From: |
Colin Lord |
Subject: |
[Qemu-block] [PATCH v3 24/32] blockdev: Separate qed probe from its driver |
Date: |
Tue, 5 Jul 2016 11:24:24 -0400 |
Completes the separation of the qed probe from the qed driver. The
qed probe now returns the format in addition to the score, allowing
correlation of the score and driver without the probe function being
part of the driver itself.
Signed-off-by: Colin Lord <address@hidden>
---
block.c | 1 +
block/probe/qed.c | 16 +++++++++++-----
block/qed.c | 1 -
include/block/probe.h | 3 ++-
4 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/block.c b/block.c
index b4e347a..fee9f8c 100644
--- a/block.c
+++ b/block.c
@@ -68,6 +68,7 @@ static BdrvProbeFunc *format_probes[] = {
parallels_probe,
qcow_probe,
qcow2_probe,
+ bdrv_qed_probe,
};
static QTAILQ_HEAD(, BlockDriverState) graph_bdrv_states =
diff --git a/block/probe/qed.c b/block/probe/qed.c
index c902489..3fdb5d7 100644
--- a/block/probe/qed.c
+++ b/block/probe/qed.c
@@ -3,16 +3,22 @@
#include "block/probe.h"
#include "block/qed.h"
-int bdrv_qed_probe(const uint8_t *buf, int buf_size,
- const char *filename)
+const char *bdrv_qed_probe(const uint8_t *buf, int buf_size,
+ const char *filename, int *score)
{
+ const char *format = "qed";
const QEDHeader *header = (const QEDHeader *)buf;
+ assert(score);
+ *score = 0;
if (buf_size < sizeof(*header)) {
- return 0;
+ return format;
}
+
if (le32_to_cpu(header->magic) != QED_MAGIC) {
- return 0;
+ return format;
}
- return 100;
+
+ *score = 100;
+ return format;
}
diff --git a/block/qed.c b/block/qed.c
index 21d8982..cf78ff0 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -1638,7 +1638,6 @@ static BlockDriver bdrv_qed = {
.create_opts = &qed_create_opts,
.supports_backing = true,
- .bdrv_probe = bdrv_qed_probe,
.bdrv_open = bdrv_qed_open,
.bdrv_close = bdrv_qed_close,
.bdrv_reopen_prepare = bdrv_qed_reopen_prepare,
diff --git a/include/block/probe.h b/include/block/probe.h
index 222185b..63edd74 100644
--- a/include/block/probe.h
+++ b/include/block/probe.h
@@ -1,7 +1,6 @@
#ifndef PROBE_H
#define PROBE_H
-int bdrv_qed_probe(const uint8_t *buf, int buf_size, const char *filename);
int raw_probe(const uint8_t *buf, int buf_size, const char *filename);
int vdi_probe(const uint8_t *buf, int buf_size, const char *filename);
int vhdx_probe(const uint8_t *buf, int buf_size, const char *filename);
@@ -21,5 +20,7 @@ const char *qcow_probe(const uint8_t *buf, int buf_size,
const char *filename,
int *score);
const char *qcow2_probe(const uint8_t *buf, int buf_size, const char *filename,
int *score);
+const char *bdrv_qed_probe(const uint8_t *buf, int buf_size,
+ const char *filename, int *score);
#endif
--
2.5.5
- [Qemu-block] [PATCH v3 22/32] blockdev: Separate qcow probe from its driver, (continued)
- [Qemu-block] [PATCH v3 22/32] blockdev: Separate qcow probe from its driver, Colin Lord, 2016/07/05
- [Qemu-block] [PATCH v3 26/32] blockdev: Separate vdi probe from its driver, Colin Lord, 2016/07/05
- [Qemu-block] [PATCH v3 30/32] blockdev: Remove the .bdrv_probe field from BlockDrivers, Colin Lord, 2016/07/05
- [Qemu-block] [PATCH v3 27/32] blockdev: Separate vhdx probe from its driver, Colin Lord, 2016/07/05
- [Qemu-block] [PATCH v3 21/32] blockdev: Separate parallels probe from its driver, Colin Lord, 2016/07/05
- [Qemu-block] [PATCH v3 24/32] blockdev: Separate qed probe from its driver,
Colin Lord <=
- [Qemu-block] [PATCH v3 25/32] blockdev: Separate raw probe from its driver, Colin Lord, 2016/07/05
- [Qemu-block] [PATCH v3 28/32] blockdev: Separate vmdk probe from its driver, Colin Lord, 2016/07/05
- [Qemu-block] [PATCH v3 31/32] blockdev: Separate out bdrv_probe_device functions, Colin Lord, 2016/07/05
- [Qemu-block] [PATCH v3 23/32] blockdev: Separate qcow2 probe from its driver, Colin Lord, 2016/07/05
- [Qemu-block] [PATCH v3 32/32] blockdev: Remove bdrv_probe_device field from BlockDriver, Colin Lord, 2016/07/05