Re: [PATCH v2 02/12] btrfs: implement a nowait option for tree searches

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Sep 07, 2022 at 05:26:06PM -0700, Stefan Roesch wrote:
> From: Josef Bacik <josef@xxxxxxxxxxxxxx>
> 
> For NOWAIT IOCB's we'll need a way to tell search to not wait on locks
> or anything.  Accomplish this by adding a path->nowait flag that will
> use trylocks and skip reading of metadata, returning -EWOULDBLOCK in
> either of these cases.  For now we only need this for reads, so only the
> read side is handled.  Add an ASSERT() to catch anybody trying to use
> this for writes so they know they'll have to implement the write side.
> 
> Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
> Signed-off-by: Stefan Roesch <shr@xxxxxx>

Should update my changelog to say use -EAGAIN instead of -EWOULDBLOCK.  Thanks,

Josef



[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux