From: SeongJae Park
The number of empty lines between functions in the xenbus.c is
inconsistent. This trivial style cleanup commit fixes the file to
consistently place only one empty line.
Acked-by: Roger Pau Monné
Signed-off-by: SeongJae Park
---
drivers/block/xen-blkback/xenbus.c | 7
From: SeongJae Park
A driver's 'reclaim_memory' callback can race with 'probe' or 'remove'
because it will be called whenever memory pressure is detected. To
avoid such race, this commit embeds a spinlock in each 'xenbus_device'
and make 'xenbus' to hold the lock while the corresponded
From: SeongJae Park
A few of static variables in blkback have 'xen_blkif_' prefix, though it
is unnecessary for static variables. This commit removes such prefixes.
Reviewed-by: Roger Pau Monné
Signed-off-by: SeongJae Park
---
drivers/block/xen-blkback/blkback.c | 37
From: SeongJae Park
Granting pages consumes backend system memory. In systems configured
with insufficient spare memory for those pages, it can cause a memory
pressure situation. However, finding the optimal amount of the spare
memory is challenging for large systems having dynamic resource
From: SeongJae Park
Granting pages consumes backend system memory. In systems configured
with insufficient spare memory for those pages, it can cause a memory
pressure situation. However, finding the optimal amount of the spare
memory is challenging for large systems having dynamic resource
From: SeongJae Park
Each `blkif` has a free pages pool for the grant mapping. The size of
the pool starts from zero and is increased on demand while processing
the I/O requests. If current I/O requests handling is finished or 100
milliseconds has passed since last I/O requests handling, it
On 05.12.19 16:09, SeongJae Park wrote:
> From: SeongJae Park
>
> Each `blkif` has a free pages pool for the grant mapping. The size of
> the pool starts from zero and be increased on demand while processing
> the I/O requests. If current I/O requests handling is finished or 100
> milliseconds
On 05.12.19 16:09, SeongJae Park wrote:
> Each `blkif` has a free pages pool for the grant mapping. The size of
> the pool starts from zero and be increased on demand while processing
> the I/O requests. If current I/O requests handling is finished or 100
> milliseconds has passed since last I/O
On 04.12.19 12:52, Durrant, Paul wrote:
>> -Original Message-
>> From: Xen-devel On Behalf Of
>> SeongJae Park
>> Sent: 04 December 2019 11:34
>> To: konrad.w...@oracle.com; roger@citrix.com; ax...@kernel.dk
>> Cc: sj38.p...@gmail.com; xen-devel@lists.xenproject.org; linux-
>>
On 27.11.19 10:13, Roger Pau Monné wrote:
> On Tue, Nov 26, 2019 at 04:36:05PM +0100, SeongJae Park wrote:
>> From: SeongJae Park
>>
>> For each I/O request, blkback first maps the foreign pages for the
>> request to its local pages. If an allocation of a local page for the
>> mapping fails, it
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