Displaying 20 results from an estimated 34 matches for "virtblk_get_cache_mod".
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virtblk_get_cache_mode
2012 Jul 04
1
[PATCH] virtio-blk: allow toggling host cache between writeback and writethrough
...blk.c b/drivers/block/virtio_blk.c
> index 693187d..5602505 100644
> --- a/drivers/block/virtio_blk.c
> +++ b/drivers/block/virtio_blk.c
> @@ -397,6 +397,83 @@ static int virtblk_name_format(char *prefix, int index, char *buf, int buflen)
> return 0;
> }
>
> +static int virtblk_get_cache_mode(struct virtio_device *vdev)
Why are you converting u8 to int here?
All users convert it back ...
Also, this is not really "get cache mode" it's more of a
"writeback_enabled".
> +{
> + u8 writeback;
> + int err;
> +
> + err = virtio_config_val(vdev, VIRTIO_...
2012 Jul 04
1
[PATCH] virtio-blk: allow toggling host cache between writeback and writethrough
...blk.c b/drivers/block/virtio_blk.c
> index 693187d..5602505 100644
> --- a/drivers/block/virtio_blk.c
> +++ b/drivers/block/virtio_blk.c
> @@ -397,6 +397,83 @@ static int virtblk_name_format(char *prefix, int index, char *buf, int buflen)
> return 0;
> }
>
> +static int virtblk_get_cache_mode(struct virtio_device *vdev)
Why are you converting u8 to int here?
All users convert it back ...
Also, this is not really "get cache mode" it's more of a
"writeback_enabled".
> +{
> + u8 writeback;
> + int err;
> +
> + err = virtio_config_val(vdev, VIRTIO_...
2015 Aug 21
1
[PATCH] virtio-blk: use VIRTIO_BLK_F_WCE and VIRTIO_BLK_F_CONFIG_WCE in virtio1
...;
---
drivers/block/virtio_blk.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index d4d05f064d39..ea2c17c66dfb 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -478,8 +478,7 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
- virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
return wri...
2015 Aug 21
1
[PATCH] virtio-blk: use VIRTIO_BLK_F_WCE and VIRTIO_BLK_F_CONFIG_WCE in virtio1
...;
---
drivers/block/virtio_blk.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index d4d05f064d39..ea2c17c66dfb 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -478,8 +478,7 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
- virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
return wri...
2016 Feb 24
1
[PATCH] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
..._F_FLUSH. */
+#define VIRTIO_BLK_F_WCE VIRTIO_BLK_F_FLUSH
#endif
#endif /* !VIRTIO_BLK_NO_LEGACY */
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6ca3549..dbaebb0 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -478,7 +478,7 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_FLUSH);
return writeback;
}
@@ -833,14 +833,14 @@ static const struct virtio_d...
2016 Feb 24
1
[PATCH] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
..._F_FLUSH. */
+#define VIRTIO_BLK_F_WCE VIRTIO_BLK_F_FLUSH
#endif
#endif /* !VIRTIO_BLK_NO_LEGACY */
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6ca3549..dbaebb0 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -478,7 +478,7 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_FLUSH);
return writeback;
}
@@ -833,14 +833,14 @@ static const struct virtio_d...
2016 Feb 24
1
[PATCH v2] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...F_FLUSH. */
+#define VIRTIO_BLK_F_WCE VIRTIO_BLK_F_FLUSH
#endif
#endif /* !VIRTIO_BLK_NO_LEGACY */
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6ca3549..28cff0d 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -477,8 +477,13 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
err = virtio_cread_feature(vdev, VIRTIO_BLK_F_CONFIG_WCE,
struct virtio_blk_config, wce,
&writeback);
+
+ /*
+ * If WCE is not configurable and flush is not available,
+ * assume no writeback cache is in use.
+ */
if (err)
- writeback = virti...
2016 Feb 24
1
[PATCH v2] virtio_blk: VIRTIO_BLK_F_WCE->VIRTIO_BLK_F_FLUSH
...F_FLUSH. */
+#define VIRTIO_BLK_F_WCE VIRTIO_BLK_F_FLUSH
#endif
#endif /* !VIRTIO_BLK_NO_LEGACY */
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 6ca3549..28cff0d 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -477,8 +477,13 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
err = virtio_cread_feature(vdev, VIRTIO_BLK_F_CONFIG_WCE,
struct virtio_blk_config, wce,
&writeback);
+
+ /*
+ * If WCE is not configurable and flush is not available,
+ * assume no writeback cache is in use.
+ */
if (err)
- writeback = virti...
2014 Oct 23
0
[PATCH RFC] virtio_blk: WCE is assumed on under VIRTIO 1.0
...redhat.com>
---
drivers/block/virtio_blk.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index adfba9f..1f8b111 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -478,7 +478,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Oct 23
0
[PATCH RFC] virtio_blk: WCE is assumed on under VIRTIO 1.0
...redhat.com>
---
drivers/block/virtio_blk.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index adfba9f..1f8b111 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -478,7 +478,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Nov 27
0
[PATCH v5 15/45] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Nov 27
0
[PATCH v6 16/46] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Dec 01
0
[PATCH v8 16/50] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Nov 27
0
[PATCH v5 15/45] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Nov 27
0
[PATCH v6 16/46] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Dec 01
0
[PATCH v8 16/50] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Nov 24
0
[PATCH v3 12/41] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Nov 24
0
[PATCH v3 12/41] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Nov 25
2
[PATCH v4 13/42] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...
2014 Nov 25
2
[PATCH v4 13/42] virtio_blk: v1.0 support
...vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_OUT);
else
- vbr->out_hdr.type |= VIRTIO_BLK_T_IN;
+ vbr->out_hdr.type |= cpu_to_virtio32(vblk->vdev, VIRTIO_BLK_T_IN);
}
spin_lock_irqsave(&vblk->vqs[qid].lock, flags);
@@ -476,7 +477,8 @@ static int virtblk_get_cache_mode(struct virtio_device *vdev)
struct virtio_blk_config, wce,
&writeback);
if (err)
- writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE);
+ writeback = virtio_has_feature(vdev, VIRTIO_BLK_F_WCE) ||
+ virtio_has_feature(vdev, VIRTIO_F_VERSION_1);
return wri...