This list will be used selecting fuse_dax_mapping to free when number of
free mappings drops below a threshold.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 8
fs/fuse/fuse_i.h | 7 +++
fs/fuse/inode.c | 4
3 files changed, 19 insertions(+)
diff --git a/fs/fuse/file.c b
From: Stefan Hajnoczi
Although struct dax_device itself is not tied to a block device, some
DAX code assumes there is a block device. Make block devices optional
by allowing bdev to be NULL in commonly used DAX APIs.
When there is no block device:
* Skip the partition offset calculation in
From: Sebastien Boeuf
On PCI the shm regions are found using capability entries;
find a region by searching for the capability.
Signed-off-by: Sebastien Boeuf
Signed-off-by: Dr. David Alan Gilbert
---
drivers/virtio/virtio_pci_modern.c | 108 +
.
Signed-off-by: Stefan Hajnoczi
Signed-off-by: Dr. David Alan Gilbert
Signed-off-by: Vivek Goyal
Signed-off-by: Sebastien Boeuf
Signed-off-by: Liu Bo
---
fs/fuse/fuse_i.h | 1 +
fs/fuse/inode.c| 8 ++
fs/fuse/virtio_fs.c| 173
virtio-fs does not support aborting requests which are being processed. That
is requests which have been sent to fuse daemon on host.
So do not provide "abort" interface for virtio-fs in fusectl.
Signed-off-by: Vivek Goyal
---
fs/fuse/control.c | 4 ++--
fs/fuse/fuse_i.h| 4 +++
From: Stefan Hajnoczi
virtio-fs will need unique IDs for FORGET requests from outside
fs/fuse/dev.c. Make the symbol visible.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/dev.c| 3 ++-
fs/fuse/fuse_i.h | 5 +
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/dev.c
y. Also, worker
thread does a trylock() on inode lock. That means worker tread will not
wait on this inode and move onto next memory range. Hence above sequence
should be deadlock free.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 357 +--
fs/fuse
From: Stefan Hajnoczi
fuse_fill_super() includes code to process the fd= option and link the
struct fuse_dev to the fd's struct file. In virtio-fs there is no file
descriptor because /dev/fuse is not used.
This patch extracts fuse_fill_super_common() so that both classic fuse
and virtio-fs can
From: Stefan Hajnoczi
Add a basic file system module for virtio-fs.
Signed-off-by: Stefan Hajnoczi
Signed-off-by: Vivek Goyal
---
fs/fuse/Kconfig | 11 +
fs/fuse/Makefile| 1 +
fs/fuse/fuse_i.h| 13 +
fs/fuse/inode.c | 15
fuse_conn->dax_dev field
virtio_fs, dax: Set up virtio_fs dax_device
fuse, dax: add DAX mmap support
Vivek Goyal (15):
fuse: Clear setuid bit even in cache=never path
fuse: Export fuse_send_init_request()
fuse: Separate fuse device allocation and installation in fuse_conn
dax:
This will be used by virtio-fs to send init request to fuse server after
initialization of virt queues.
Signed-off-by: Vivek Goyal
---
fs/fuse/dev.c| 1 +
fs/fuse/fuse_i.h | 1 +
fs/fuse/inode.c | 3 ++-
3 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/dev.c b/fs/fuse
From: Stefan Hajnoczi
The /dev/fuse device uses fiq->waitq and fasync to signal that requests
are available. These mechanisms do not apply to virtio-fs. This patch
introduces callbacks so alternative behavior can be used.
Note that queue_interrupt() changes along these lines:
Divide the dax memory range into fixed size ranges (2MB for now) and put
them in a list. This will track free ranges. Once an inode requires a
free range, we will take one from here and put it in interval-tree
of ranges assigned to inode.
Signed-off-by: Vivek Goyal
Signed-off-by: Peng Tao
This is done along the lines of ext4 and xfs. I primarily wanted ->writepages
hook at this time so that I could call into dax_writeback_mapping_range().
This in turn will decide which pfns need to be written back.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 19 +++
1 f
On Fri, May 03, 2019 at 01:41:25PM -0400, Amir Goldstein wrote:
> On Fri, May 3, 2019 at 1:31 PM J. Bruce Fields wrote:
> >
> > On Fri, May 03, 2019 at 01:26:01PM -0400, Amir Goldstein wrote:
> > > On Fri, May 3, 2019 at 12:03 PM J. Bruce Fields
> > > wrote:
> > > >
> > > > On Thu, May 02, 2019
On Sun, Mar 17, 2019 at 08:35:21AM +0800, Liu Bo wrote:
> While doing memremap from pci_dev's system bus address to kernel virtual
> address, we assign a wrong value to the %end of pgmap.res, which ends up
> with a wrong resource size in the process of memremap, and that further
> prevent the
On Tue, Feb 12, 2019 at 09:26:48PM +0530, Aneesh Kumar K.V wrote:
> Vivek Goyal writes:
>
> > Hi,
> >
> > Here are RFC patches for virtio-fs. Looking for feedback on this approach.
> >
> > These patches should apply on top of 4.20-rc5. We have also put
On Mon, Jan 28, 2019 at 06:41:29PM +0100, Andrea Righi wrote:
> Hi Vivek,
>
> sorry for the late reply.
>
> On Mon, Jan 21, 2019 at 04:47:15PM -0500, Vivek Goyal wrote:
> > On Sat, Jan 19, 2019 at 11:08:27AM +0100, Andrea Righi wrote:
> >
> > [..]
> >
On Sat, Jan 19, 2019 at 11:08:27AM +0100, Andrea Righi wrote:
[..]
> Alright, let's skip the root cgroup for now. I think the point here is
> if we want to provide sync() isolation among cgroups or not.
>
> According to the manpage:
>
>sync() causes all pending modifications to
On Thu, Dec 13, 2018 at 03:40:52PM -0500, Vivek Goyal wrote:
> On Thu, Dec 13, 2018 at 12:15:51PM -0800, Dan Williams wrote:
> > On Thu, Dec 13, 2018 at 12:09 PM Dr. David Alan Gilbert
> > wrote:
> > >
> > > * Dan Williams (dan.j.willi...@intel.com) wrote:
> &
On Thu, Dec 13, 2018 at 12:15:51PM -0800, Dan Williams wrote:
> On Thu, Dec 13, 2018 at 12:09 PM Dr. David Alan Gilbert
> wrote:
> >
> > * Dan Williams (dan.j.willi...@intel.com) wrote:
> > > On Mon, Dec 10, 2018 at 9:22 AM Vivek Goyal wrote:
> >
On Thu, Dec 13, 2018 at 03:09:55PM -0500, Stephen Smalley wrote:
> On 12/13/18 1:54 PM, Vivek Goyal wrote:
> > On Thu, Dec 13, 2018 at 11:12:31AM -0500, Stephen Smalley wrote:
> >
> > [..]
> > > > > > Can you elaborate a bit more on how this is le
On Thu, Dec 13, 2018 at 11:12:31AM -0500, Stephen Smalley wrote:
[..]
> > > > Can you elaborate a bit more on how this is leaking data through overlay
> > > > mount. If it is, then why accessing file on lower is not equivalent of
> > > > leaking of data.
> > >
> > > In the container use case,
On Wed, Dec 12, 2018 at 09:51:59AM -0500, Stephen Smalley wrote:
> On 12/11/18 4:48 PM, Vivek Goyal wrote:
> > On Thu, Dec 06, 2018 at 03:26:26PM -0500, Stephen Smalley wrote:
> > > On 12/5/18 8:43 AM, Vivek Goyal wrote:
> > > > On Tue, Dec 04, 2018 at 11:49:16A
On Wed, Dec 12, 2018 at 06:07:40PM +0100, Piotr Jurkiewicz wrote:
> Currently, virtio-9p cannot be used with overlayfs in order to obtain
> Docker-like experience (but with separate kernel) because of file attributes
> problems. I wrote an email about that to qemu-devel almost year ago, but it
>
On Wed, Dec 12, 2018 at 03:30:49PM -0500, Konrad Rzeszutek Wilk wrote:
> On Mon, Dec 10, 2018 at 12:12:26PM -0500, Vivek Goyal wrote:
> > Hi,
> >
> > Here are RFC patches for virtio-fs. Looking for feedback on this approach.
> >
> > These patches should apply on
On Thu, Dec 06, 2018 at 03:26:26PM -0500, Stephen Smalley wrote:
> On 12/5/18 8:43 AM, Vivek Goyal wrote:
> > On Tue, Dec 04, 2018 at 11:49:16AM -0500, Stephen Smalley wrote:
> > > On 12/4/18 11:17 AM, Vivek Goyal wrote:
> > > > On Tue, Dec 04, 2018 at 11:05:46A
From: Stefan Hajnoczi
fuse_fill_super() includes code to process the fd= option and link the
struct fuse_dev to the fd's struct file. In virtio-fs there is no file
descriptor because /dev/fuse is not used.
This patch extracts fuse_fill_super_common() so that both classic fuse
and virtio-fs can
From: Stefan Hajnoczi
fput() will be moved out of this function in a later patch, so we cannot
rely on it as the memory barrier for ensuring file->private_data = fud
is visible.
Luckily there is a mutex_unlock() right before fput() which provides the
same effect.
Signed-off-by: Stefan Hajnoczi
From: Stefan Hajnoczi
virtio-fs will need unique IDs for FORGET requests from outside
fs/fuse/dev.c. Make the symbol visible.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/dev.c| 3 ++-
fs/fuse/fuse_i.h | 5 +
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/dev.c
From: Stefan Hajnoczi
Add a basic file system module for virtio-fs.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/Kconfig | 10 ++
fs/fuse/Makefile| 1 +
fs/fuse/virtio_fs.c | 33 +
3 files changed, 44 insertions(+)
create mode 100644
From: Stefan Hajnoczi
virtio-fs will need to complete requests from outside fs/fuse/dev.c.
Make the symbol visible.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/dev.c| 19 ++-
fs/fuse/fuse_i.h | 5 +
2 files changed, 15 insertions(+), 9 deletions(-)
diff --git
From: Stefan Hajnoczi
Setup a dax device.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/virtio_fs.c | 68 +
1 file changed, 68 insertions(+)
diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index 225eb729656f..fd914f2c6209 100644
---
irtio_fs DAX window BAR
fuse: Implement basic DAX read/write support commands
fuse: add DAX mmap support
Vivek Goyal (22):
virtio-fs: Retrieve shm capabilities for cache
virtio-fs: Map cache using the values from the capabilities
Limit number of pages returned by direct_access()
fuse: Int
-by: Vivek Goyal
---
fs/fuse/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index d0942ce0a6c3..cb28cf26a6e7 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -406,7 +406,7 @@ int fuse_open_common(struct inode *inode, struct file
*file
From: Stefan Hajnoczi
Sent single FUSE_FORGET requests on the hiprio queue. In the future it
may be possible to do FUSE_BATCH_FORGET but that is tricky since
virtio-fs gets called synchronously when forgets are queued.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/virtio_fs.c | 93
From: Stefan Hajnoczi
Although struct dax_device itself is not tied to a block device, some
DAX code assumes there is a block device. Make block devices optional
by allowing bdev to be NULL in commonly used DAX APIs.
When there is no block device:
* Skip the partition offset calculation in
We want to use interval tree to keep track of per inode dax mappings.
Introduce basic data structures.
Signed-off-by: Vivek Goyal
---
fs/fuse/fuse_i.h | 15 +++
1 file changed, 15 insertions(+)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index fb49ca9d05ac..a24f31156b47 100644
This list will be used selecting fuse_dax_mapping to free when number of
free mappings drops below a threshold.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 8
fs/fuse/fuse_i.h | 7 +++
fs/fuse/inode.c | 4
3 files changed, 19 insertions(+)
diff --git a/fs/fuse/file.c b
Right now dax_writeback_mapping_range() is passed a bdev and dax_dev
is searched from that bdev name.
virtio-fs does not have a bdev. So pass in dax_dev also to
dax_writeback_mapping_range(). If dax_dev is passed in, bdev is not
used otherwise dax_dev is searched using bdev.
Signed-off-by: Vivek
From: Stefan Hajnoczi
Add DAX mmap() support.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/file.c | 58 +-
1 file changed, 57 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 41d773ba2c72..5230f2d84a14
.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 71 +-
1 file changed, 55 insertions(+), 16 deletions(-)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 94ad76382a6f..41d773ba2c72 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -28,6
From: "Dr. David Alan Gilbert"
Add a 'dax' option and only enable dax when it's on.
Also show "dax" in mount options if filesystem was mounted with dax
enabled.
Signed-off-by: Dr. David Alan Gilbert
Signed-off-by: Vivek Goyal
---
fs/fuse/fuse_i.h| 1 +
fs/
Divide the dax memory range into fixed size ranges (2MB for now) and put
them in a list. This will track free ranges. Once an inode requires a
free range, we will take one from here and put it in interval-tree
of ranges assigned to inode.
Signed-off-by: Vivek Goyal
---
fs/fuse/fuse_i.h| 14
From: Stefan Hajnoczi
Experimental QEMU code introduces an MMIO BAR for mapping portions of
files in the virtio-fs device. Map this BAR so that FUSE DAX can access
file contents from the host page cache.
The DAX window is accessed by the fs/dax.c infrastructure and must have
struct pages (at
From: Stefan Hajnoczi
Send normal requests to the device and handle completions.
This is enough to get mount and basic I/O working. The hiprio and
notifications queues still need to be implemented for full FUSE
functionality.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/fuse_i.h| 3 +
Kick worker to free up some memory when number of free ranges drops below
20% of total free ranges at the time of initialization.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 11 ++-
fs/fuse/fuse_i.h | 9 +
fs/fuse/inode.c | 1 +
3 files changed, 20 insertions(+), 1
With cache=never, we fall back to direct IO. pjdfstest chmod test 12.t was
failing because if a file has setuid bit, it should be cleared if an
unpriviledged user opens it for write and writes to it.
Call fuse_remove_privs() even for direct I/O path.
Signed-off-by: Vivek Goyal
---
fs/fuse
Introduce fuse_dax_mapping. This type will be used to keep track of
per inode dax mappings.
Signed-off-by: Vivek Goyal
---
fs/fuse/fuse_i.h | 9 +
1 file changed, 9 insertions(+)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 345abe9b022f..b9880be690bd 100644
--- a/fs/fuse
Instead of assuming we had the fixed bar for the cache, use the
value from the capabilities.
Signed-off-by: Dr. David Alan Gilbert
---
fs/fuse/virtio_fs.c | 32 +---
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/fs/fuse/virtio_fs.c
From: Stefan Hajnoczi
This patch implements basic DAX support. mmap() is not implemented
yet and will come in later patches. This patch looks into implemeting
read/write.
Signed-off-by: Stefan Hajnoczi
Signed-off-by: Dr. David Alan Gilbert
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c
t path).
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 121 +
1 file changed, 105 insertions(+), 16 deletions(-)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 17becdff3014..13db83d105ff 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@
Truncate number of pages mapped by direct_access() to remain with-in window
size. User might request mapping pages beyond window size.
Signed-off-by: Vivek Goyal
---
fs/fuse/virtio_fs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/virtio_fs.c b/fs/fuse
.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 36
1 file changed, 28 insertions(+), 8 deletions(-)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index d86f6e5c4daf..dbe3410a94d7 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -3891,7 +3891,12 @@ int
If virtio queue is full, then don't drop FORGET requests. Instead, wait
a bit and try to dispatch these little later using a worker thread.
Signed-off-by: Vivek Goyal
---
fs/fuse/virtio_fs.c | 86 -
1 file changed, 78 insertions(+), 8
From: "Dr. David Alan Gilbert"
When unmounting the fs close all the fuse devices.
This includes making sure the daemon gets a FUSE_DESTROY to
tell it.
Signed-off-by: Dr. David Alan Gilbert
---
fs/fuse/fuse_i.h| 1 +
fs/fuse/inode.c | 3 ++-
fs/fuse/virtio_fs.c | 13 -
3
From: Miklos Szeredi
---
fs/fuse/file.c | 91 --
fs/splice.c| 3 +-
include/linux/fs.h | 2 ++
3 files changed, 52 insertions(+), 44 deletions(-)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 1f172d372eeb..6421c94cef46
g fuse replies from daemon on the host).
That means it blocks worker thread and it stops processing further
replies and system deadlocks.
So for now, force sync release of file in case of DAX inodes.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 15 ++-
1 file changed, 14 insertions
From: Miklos Szeredi
Metadata and dcache versioning support.
READDIRPLUS doesn't supply version information yet, so don't use.
Signed-off-by: Miklos Szeredi
---
fs/fuse/dev.c | 3 +-
fs/fuse/dir.c | 244 +++---
fs/fuse/file.c
From: Stefan Hajnoczi
A struct dax_device instance is a prerequisite for the DAX filesystem
APIs. Let virtio_fs associate a dax_device with a fuse_conn. Classic
FUSE and CUSE set the pointer to NULL, disabling DAX.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/cuse.c | 3 ++-
From: Miklos Szeredi
Fixes: f064cab7f6ee ("fuse: add shared version support (virtio-fs only)")
Signed-off-by: Miklos Szeredi
---
fs/fuse/dir.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index f9a91e782cf0..f1da787796e8 100644
---
uld be deadlock free.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 60 +++-
fs/fuse/fuse_i.h | 3 +++
fs/fuse/inode.c | 1 +
3 files changed, 50 insertions(+), 14 deletions(-)
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 70974745833
From: "Dr. David Alan Gilbert"
Instead of assuming we had the fixed bar for the cache, use the
value from the capabilities.
Use the other capabilities to map their memory.
Signed-off-by: Dr. David Alan Gilbert
---
fs/fuse/virtio_fs.c | 95 +
From: Miklos Szeredi
Signed-off-by: Miklos Szeredi
---
fs/fuse/fuse_i.h| 12
fs/fuse/inode.c | 10 ++
fs/fuse/virtio_fs.c | 2 ++
3 files changed, 24 insertions(+)
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 30c7b4b56200..8a2604606d51 100644
---
the dax ranges, all the attempts to acquire lock will fail.
So if there are too many inode lock failures (-EAGAIN), reschedule the
worker with a 10ms delay.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 12 ++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/fs/fuse
From: Stefan Hajnoczi
The /dev/fuse device uses fiq->waitq and fasync to signal that requests
are available. These mechanisms do not apply to virtio-fs. This patch
introduces callbacks so alternative behavior can be used.
Note that queue_interrupt() changes along these lines:
From: Miklos Szeredi
Add more fields to "struct fuse_mount_data" so that less parameters
have to be passed to function fuse_fill_super_common().
Signed-off-by: Miklos Szeredi
---
fs/fuse/fuse_i.h| 22 +-
fs/fuse/inode.c | 27 ++-
From: Miklos Szeredi
Version table can be NULL. Do not crash.
Signed-off-by: Miklos Szeredi
---
fs/fuse/inode.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 1ab4df442390..d44827bbfa3d 100644
--- a/fs/fuse/inode.c
+++
about circular dependencies. So define a new fuse_inode->i_mmap_sem.
Signed-off-by: Vivek Goyal
---
fs/fuse/dir.c| 2 ++
fs/fuse/file.c | 17 +
fs/fuse/fuse_i.h | 7 +++
fs/fuse/inode.c | 1 +
4 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/fs/fuse/di
From: Stefan Hajnoczi
virtio-fs will need to query the length of fuse_arg lists. Make the
symbol visible.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/dev.c| 7 ---
fs/fuse/fuse_i.h | 5 +
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
From: "Dr. David Alan Gilbert"
Retrieve the capabilities needed to find the journal and version table.
Signed-off-by: Dr. David Alan Gilbert
---
fs/fuse/virtio_fs.c| 26 --
include/uapi/linux/virtio_fs.h | 2 ++
2 files changed, 26 insertions(+), 2
From: "Dr. David Alan Gilbert"
The shm cap defines a capability to allow 64bit size chunks at 64 bit
size offsets into a bar. There can be multiple such chunks on any one
device.
Signed-off-by: Dr. David Alan Gilbert
---
fs/fuse/virtio_fs.c | 69
Retrieve the capabilities needed to find the cache.
Signed-off-by: Dr. David Alan Gilbert
---
fs/fuse/virtio_fs.c| 15 +++
include/uapi/linux/virtio_fs.h | 3 +++
2 files changed, 18 insertions(+)
diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index
Introduce two new fuse commands to setup/remove memory mappings.
Signed-off-by: Vivek Goyal
---
include/uapi/linux/fuse.h | 33 +
1 file changed, 33 insertions(+)
diff --git a/include/uapi/linux/fuse.h b/include/uapi/linux/fuse.h
index b4967d48bfda..867fdafc4a5e
From: Miklos Szeredi
Signed-off-by: Miklos Szeredi
---
fs/fuse/dir.c | 40 +---
1 file changed, 25 insertions(+), 15 deletions(-)
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 3aa214f9a28e..f9a91e782cf0 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@
From: Miklos Szeredi
Don't hold onto dentry in lru list if need to re-lookup it anyway at next
access.
More advanced version of this patch would periodically flush out dentries
from the lru which have gone stale.
Signed-off-by: Miklos Szeredi
---
fs/fuse/dir.c | 26 +++---
This is done along the lines of ext4 and xfs. I primarily wanted ->writepages
hook at this time so that I could call into dax_writeback_mapping_range().
This in turn will decide which pfns need to be written back and call
dax_flush() on those.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c |
From: Stefan Hajnoczi
Provide definitions of ->mount and ->kill_sb. This is still WIP.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/fuse_i.h| 9
fs/fuse/inode.c | 12 -
fs/fuse/virtio_fs.c | 129 +++-
3 files changed, 146
Add logic to free up a busy memory range. Freed memory range will be
returned to free pool. Add a worker which can be started to select
and free some busy memory ranges.
Signed-off-by: Vivek Goyal
---
fs/fuse/file.c | 148 ++-
fs/fuse
From: Stefan Hajnoczi
Add basic probe/remove functionality for the new virtio-fs device.
Signed-off-by: Stefan Hajnoczi
---
fs/fuse/Kconfig | 1 +
fs/fuse/virtio_fs.c | 160 ++--
include/uapi/linux/virtio_fs.h | 41 ++
On Tue, Dec 04, 2018 at 11:49:16AM -0500, Stephen Smalley wrote:
> On 12/4/18 11:17 AM, Vivek Goyal wrote:
> > On Tue, Dec 04, 2018 at 11:05:46AM -0500, Stephen Smalley wrote:
> > > On 12/4/18 10:42 AM, Vivek Goyal wrote:
> > > > On Tue, Dec 04, 2018 at 04:31:09
On Tue, Dec 04, 2018 at 11:49:16AM -0500, Stephen Smalley wrote:
> On 12/4/18 11:17 AM, Vivek Goyal wrote:
> > On Tue, Dec 04, 2018 at 11:05:46AM -0500, Stephen Smalley wrote:
> > > On 12/4/18 10:42 AM, Vivek Goyal wrote:
> > > > On Tue, Dec 04, 2018 at 04:31:09
On Tue, Dec 04, 2018 at 11:05:46AM -0500, Stephen Smalley wrote:
> On 12/4/18 10:42 AM, Vivek Goyal wrote:
> > On Tue, Dec 04, 2018 at 04:31:09PM +0100, Miklos Szeredi wrote:
> > > On Tue, Dec 4, 2018 at 4:22 PM Vivek Goyal wrote:
> > >
> > > > Having said
On Tue, Dec 04, 2018 at 11:05:46AM -0500, Stephen Smalley wrote:
> On 12/4/18 10:42 AM, Vivek Goyal wrote:
> > On Tue, Dec 04, 2018 at 04:31:09PM +0100, Miklos Szeredi wrote:
> > > On Tue, Dec 4, 2018 at 4:22 PM Vivek Goyal wrote:
> > >
> > > > Having said
On Tue, Dec 04, 2018 at 10:42:35AM -0500, Stephen Smalley wrote:
[..]
> > > Yes, in that case there isn't an escalation of privilege for the mounter
> > > (I
> > > acknowledged that above). I'm still not sure copy-up of special files is
> > > a
> > > good idea though:
> > >
> > > - In the
On Tue, Dec 04, 2018 at 10:42:35AM -0500, Stephen Smalley wrote:
[..]
> > > Yes, in that case there isn't an escalation of privilege for the mounter
> > > (I
> > > acknowledged that above). I'm still not sure copy-up of special files is
> > > a
> > > good idea though:
> > >
> > > - In the
On Tue, Dec 04, 2018 at 04:31:09PM +0100, Miklos Szeredi wrote:
> On Tue, Dec 4, 2018 at 4:22 PM Vivek Goyal wrote:
>
> > Having said that, this still create little anomaly when mknod to client
> > is not allowed on context label. So a device file, which is on lower
> >
On Tue, Dec 04, 2018 at 04:31:09PM +0100, Miklos Szeredi wrote:
> On Tue, Dec 4, 2018 at 4:22 PM Vivek Goyal wrote:
>
> > Having said that, this still create little anomaly when mknod to client
> > is not allowed on context label. So a device file, which is on lower
> >
On Tue, Dec 04, 2018 at 10:15:49AM -0500, Vivek Goyal wrote:
> On Tue, Dec 04, 2018 at 09:30:53AM -0500, Stephen Smalley wrote:
> > On 12/4/18 8:32 AM, Miklos Szeredi wrote:
> > > On Thu, Nov 29, 2018 at 10:16 PM Stephen Smalley
> > > wrote:
> > > >
>
On Tue, Dec 04, 2018 at 10:15:49AM -0500, Vivek Goyal wrote:
> On Tue, Dec 04, 2018 at 09:30:53AM -0500, Stephen Smalley wrote:
> > On 12/4/18 8:32 AM, Miklos Szeredi wrote:
> > > On Thu, Nov 29, 2018 at 10:16 PM Stephen Smalley
> > > wrote:
> > > >
>
On Tue, Dec 04, 2018 at 09:30:53AM -0500, Stephen Smalley wrote:
> On 12/4/18 8:32 AM, Miklos Szeredi wrote:
> > On Thu, Nov 29, 2018 at 10:16 PM Stephen Smalley wrote:
> > >
> > > On 11/29/18 4:03 PM, Stephen Smalley wrote:
> > > > On 11/29/18 2:47 PM, Miklos Szeredi wrote:
> > > > > On Thu,
On Tue, Dec 04, 2018 at 09:30:53AM -0500, Stephen Smalley wrote:
> On 12/4/18 8:32 AM, Miklos Szeredi wrote:
> > On Thu, Nov 29, 2018 at 10:16 PM Stephen Smalley wrote:
> > >
> > > On 11/29/18 4:03 PM, Stephen Smalley wrote:
> > > > On 11/29/18 2:47 PM, Miklos Szeredi wrote:
> > > > > On Thu,
On Thu, Nov 29, 2018 at 12:04:20PM +0100, Miklos Szeredi wrote:
> On Wed, Nov 28, 2018 at 10:43 PM Stephen Smalley wrote:
> >
> > On 11/28/18 3:24 PM, Miklos Szeredi wrote:
> > > On Wed, Nov 28, 2018 at 8:32 PM Stephen Smalley
> > > wrote:
>
> [...]
>
> > >> Does the breaking commit
On Thu, Nov 29, 2018 at 12:04:20PM +0100, Miklos Szeredi wrote:
> On Wed, Nov 28, 2018 at 10:43 PM Stephen Smalley wrote:
> >
> > On 11/28/18 3:24 PM, Miklos Szeredi wrote:
> > > On Wed, Nov 28, 2018 at 8:32 PM Stephen Smalley
> > > wrote:
>
> [...]
>
> > >> Does the breaking commit
On Wed, Nov 28, 2018 at 11:00:09AM +0100, Miklos Szeredi wrote:
> On Tue, Nov 27, 2018 at 10:05 PM Vivek Goyal wrote:
> >
> > On Tue, Nov 27, 2018 at 08:58:06PM +0100, Miklos Szeredi wrote:
> > > [resending with fixed email address for Paul Moore]
> > >
>
On Wed, Nov 28, 2018 at 11:00:09AM +0100, Miklos Szeredi wrote:
> On Tue, Nov 27, 2018 at 10:05 PM Vivek Goyal wrote:
> >
> > On Tue, Nov 27, 2018 at 08:58:06PM +0100, Miklos Szeredi wrote:
> > > [resending with fixed email address for Paul Moore]
> > >
>
On Tue, Nov 27, 2018 at 08:58:06PM +0100, Miklos Szeredi wrote:
> [resending with fixed email address for Paul Moore]
>
> Moving discussion from github[1] to here.
>
> To summarize: commit 007ea44892e6 ("ovl: relax permission checking on
> underlying layers") was added in 4.20-rc1 to make
On Tue, Nov 27, 2018 at 08:58:06PM +0100, Miklos Szeredi wrote:
> [resending with fixed email address for Paul Moore]
>
> Moving discussion from github[1] to here.
>
> To summarize: commit 007ea44892e6 ("ovl: relax permission checking on
> underlying layers") was added in 4.20-rc1 to make
e the content have a different set of MAC
> privileges (eg: read, for vendor labelled configuration, execute for
> vendor libraries and modules).
>
> Signed-off-by: Mark Salyzyn
> Cc: Miklos Szeredi
> Cc: Jonathan Corbet
> Cc: Vivek Goyal
> Cc: Eric W. Biederman
> C
e the content have a different set of MAC
> privileges (eg: read, for vendor labelled configuration, execute for
> vendor libraries and modules).
>
> Signed-off-by: Mark Salyzyn
> Cc: Miklos Szeredi
> Cc: Jonathan Corbet
> Cc: Vivek Goyal
> Cc: Eric W. Biederman
> C
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