eudo-filesystem for dma-buf, following the example in fs/aio.c.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 63 ++
include/uapi/linux/magic.h | 1 +
2 files changed, 58 insertions(+), 6 deletions(-)
diff --git a/
Currently, all dma-bufs share the same anonymous inode. While we can count
how many dma-buf fds or mappings a process has, we can't get the size of
the backing buffers or tell if two entries point to the same dma-buf. And
in debugfs, we can get a per-buffer breakdown of size and reference count,
bu
From: Greg Hackmann
The show_fdinfo handler exports the same information available through
debugfs on a per-buffer basis.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma-buf
igned-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c| 65 ++--
include/linux/dma-buf.h | 5 ++-
include/uapi/linux/dma-buf.h | 3 ++
3 files changed, 69 insertions(+), 4 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
On Thu, Jun 13, 2019 at 1:15 PM Suren Baghdasaryan wrote:
>
> On Wed, Jun 12, 2019 at 2:48 PM 'Chenbo Feng' via kernel-team
> wrote:
> >
> > From: Greg Hackmann
> >
> > This patch adds complimentary DMA_BUF_SET_NAME ioctls, which lets
> > us
Currently, all dma-bufs share the same anonymous inode. While we can count
how many dma-buf fds or mappings a process has, we can't get the size of
the backing buffers or tell if two entries point to the same dma-buf. And
in debugfs, we can get a per-buffer breakdown of size and reference count,
bu
From: Greg Hackmann
The show_fdinfo handler exports the same information available through
debugfs on a per-buffer basis.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma-buf
eudo-filesystem for dma-buf, following the example in fs/aio.c.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 63 ++
include/uapi/linux/magic.h | 1 +
2 files changed, 58 insertions(+), 6 deletions(-)
diff --git a/
igned-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c| 64 ++--
include/linux/dma-buf.h | 5 ++-
include/uapi/linux/dma-buf.h | 3 ++
3 files changed, 68 insertions(+), 4 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
On Wed, Jun 12, 2019 at 7:43 AM Sumit Semwal wrote:
>
> Hello Chenbo,
>
> Thanks very much for your patches. Other than a couple tiny nits
> below, I think these look good, and I will merge them before the end
> of this week.
> On Tue, 11 Jun 2019 at 05:32, Chenbo Feng wrot
eudo-filesystem for dma-buf, following the example in fs/aio.c.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 63 ++
include/uapi/linux/magic.h | 1 +
2 files changed, 58 insertions(+), 6 deletions(-)
diff --git a/
eudo-filesystem for dma-buf, following the example in fs/aio.c.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 63 ++
include/uapi/linux/magic.h | 1 +
2 files changed, 58 insertions(+), 6 deletions(-)
diff --git a/
ff-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c| 49 +---
include/linux/dma-buf.h | 5 +++-
include/uapi/linux/dma-buf.h | 3 +++
3 files changed, 53 insertions(+), 4 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/driver
Currently, all dma-bufs share the same anonymous inode. While we can count
how many dma-buf fds or mappings a process has, we can't get the size of
the backing buffers or tell if two entries point to the same dma-buf. And
in debugfs, we can get a per-buffer breakdown of size and reference count,
bu
From: Greg Hackmann
The show_fdinfo handler exports the same information available through
debugfs on a per-buffer basis.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma-buf
ff-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c| 49 +---
include/linux/dma-buf.h | 5 +++-
include/uapi/linux/dma-buf.h | 3 +++
3 files changed, 53 insertions(+), 4 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/driver
From: Greg Hackmann
The show_fdinfo handler exports the same information available through
debugfs on a per-buffer basis.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma-buf
Currently, all dma-bufs share the same anonymous inode. While we can count
how many dma-buf fds or mappings a process has, we can't get the size of
the backing buffers or tell if two entries point to the same dma-buf. And
in debugfs, we can get a per-buffer breakdown of size and reference count,
bu
From: Greg Hackmann
The show_fdinfo handler exports the same information available through
debugfs on a per-buffer basis.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma-buf
Currently, all dma-bufs share the same anonymous inode. While we can count
how many dma-buf fds or mappings a process has, we can't get the size of
the backing buffers or tell if two entries point to the same dma-buf. And
in debugfs, we can get a per-buffer breakdown of size and reference count,
bu
ff-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c| 49 +---
include/linux/dma-buf.h | 5 +++-
include/uapi/linux/dma-buf.h | 3 +++
3 files changed, 53 insertions(+), 4 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/driver
eudo-filesystem for dma-buf, following the example in fs/aio.c.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 63 ++
include/uapi/linux/magic.h | 1 +
2 files changed, 58 insertions(+), 6 deletions(-)
diff --git a/
On Sun, Mar 24, 2019 at 1:45 PM Joel Fernandes wrote:
>
> Hi Sandeep,
>
> On Sun, Mar 24, 2019 at 10:56:33AM -0700, Sandeep Patil wrote:
> > On Fri, Mar 22, 2019 at 11:02:55AM -0400, Joel Fernandes wrote:
> > > On Thu, Mar 21, 2019 at 07:51:33PM -0700, Chenbo Fen
ff-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c| 48 ++--
include/linux/dma-buf.h | 5 +++-
include/uapi/linux/dma-buf.h | 4 +++
3 files changed, 54 insertions(+), 3 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/driver
Currently, all dma-bufs share the same anonymous inode. While we can count
how many dma-buf fds or mappings a process has, we can't get the size of
the backing buffers or tell if two entries point to the same dma-buf. And
in debugfs, we can get a per-buffer breakdown of size and reference count,
bu
From: Greg Hackmann
The show_fdinfo handler exports the same information available through
debugfs on a per-buffer basis.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma-buf
eudo-filesystem for dma-buf, following the example in fs/aio.c.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 63 ++
include/uapi/linux/magic.h | 1 +
2 files changed, 58 insertions(+), 6 deletions(-)
diff --git a/
On Thu, Mar 14, 2019 at 10:49 AM Sumit Semwal wrote:
>
> Hello Chenbo,Thank you for your RFC series.
>
> On Wed, 27 Feb 2019 at 09:24, Chenbo Feng wrote:
> >
> > Currently, all dma-bufs share the same anonymous inode. While we can count
> > how many dma-buf fds
Currently, all dma-bufs share the same anonymous inode. While we can count
how many dma-buf fds or mappings a process has, we can't get the size of
the backing buffers or tell if two entries point to the same dma-buf. And
in debugfs, we can get a per-buffer breakdown of size and reference count,
bu
ff-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c| 42 ++--
include/linux/dma-buf.h | 5 -
include/uapi/linux/dma-buf.h | 4
3 files changed, 48 insertions(+), 3 deletions(-)
diff --git a/drivers/dma-buf/dma-buf.c b/dr
eudo-filesystem for dma-buf, following the example in fs/aio.c.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 68 +-
include/uapi/linux/magic.h | 1 +
2 files changed, 61 insertions(+), 8 deletions(-)
diff --git a/
From: Greg Hackmann
The show_fdinfo handler exports the same information available through
debugfs on a per-buffer basis.
Signed-off-by: Greg Hackmann
Signed-off-by: Chenbo Feng
---
drivers/dma-buf/dma-buf.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/dma-buf
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