16.07.2021 21:47, Vladimir Sementsov-Ogievskiy wrote:
16.07.2021 19:21, Vladimir Sementsov-Ogievskiy wrote:
15.07.2021 23:00, Vladimir Sementsov-Ogievskiy wrote:
03.07.2021 16:50, Vladimir Sementsov-Ogievskiy wrote:
+Permission bytes. If permission byte is rd-locked, it means that some process
16.07.2021 19:21, Vladimir Sementsov-Ogievskiy wrote:
15.07.2021 23:00, Vladimir Sementsov-Ogievskiy wrote:
03.07.2021 16:50, Vladimir Sementsov-Ogievskiy wrote:
+Permission bytes. If permission byte is rd-locked, it means that some process
+uses corresponding permission on that file.
+
+Byte
15.07.2021 23:00, Vladimir Sementsov-Ogievskiy wrote:
03.07.2021 16:50, Vladimir Sementsov-Ogievskiy wrote:
+Permission bytes. If permission byte is rd-locked, it means that some process
+uses corresponding permission on that file.
+
+Byte Operation
+100 read
+ Lock holder can re
03.07.2021 16:50, Vladimir Sementsov-Ogievskiy wrote:
+Permission bytes. If permission byte is rd-locked, it means that some process
+uses corresponding permission on that file.
+
+ByteOperation
+100 read
+ Lock holder can read
+101 write
+ Lock holder can write
+102
On Thu, Jul 15, 2021 at 08:13:40PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> 03.07.2021 17:50, Nir Soffer wrote:
> > On Sat, Jul 3, 2021 at 4:51 PM Vladimir Sementsov-Ogievskiy
> > wrote:
>
> [..]
>
> > > +
> > > +Important notice: Qemu may fallback to POSIX file locks only if OFD locks
> > >
03.07.2021 17:50, Nir Soffer wrote:
On Sat, Jul 3, 2021 at 4:51 PM Vladimir Sementsov-Ogievskiy
wrote:
[..]
+
+Important notice: Qemu may fallback to POSIX file locks only if OFD locks
+unavailable. Other programs should behave similarly: use POSIX file locks
+only if OFD locks unavailable a
On 7/5/21 10:55 AM, Vladimir Sementsov-Ogievskiy wrote:
> 03.07.2021 17:50, Nir Soffer wrote:
>> On Sat, Jul 3, 2021 at 4:51 PM Vladimir Sementsov-Ogievskiy
>> wrote:
>>>
>>> Let's document how we use file locks in file-posix driver, to allow
>>> external programs to "communicate" in this way with
03.07.2021 17:50, Nir Soffer wrote:
On Sat, Jul 3, 2021 at 4:51 PM Vladimir Sementsov-Ogievskiy
wrote:
Let's document how we use file locks in file-posix driver, to allow
external programs to "communicate" in this way with Qemu.
This makes the locking implementation public, so qemu can never
On Sat, Jul 3, 2021 at 4:51 PM Vladimir Sementsov-Ogievskiy
wrote:
>
> Let's document how we use file locks in file-posix driver, to allow
> external programs to "communicate" in this way with Qemu.
This makes the locking implementation public, so qemu can never change
it without breaking externa
Let's document how we use file locks in file-posix driver, to allow
external programs to "communicate" in this way with Qemu.
Signed-off-by: Vladimir Sementsov-Ogievskiy
---
v2: improve some descriptions
add examples
add notice about old bad POSIX file locks
docs/system/qemu-block-driv
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