Re: fix md disk_name lifetime problems v4

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

 



On Tue, Jul 19, 2022 at 2:18 AM Christoph Hellwig <hch@xxxxxx> wrote:
>
> Hi all,
>
> this series tries to fix a problem repored by Logan where we see
> duplicate sysfs file name in md.  It is due to the fact that the
> md driver only checks for duplicates on currently live mddevs,
> while the sysfs name can live on longer.  It is an old problem,
> but the race window got longer due to waiting for the device freeze
> earlier in del_gendisk.
>
> Changes since v3:
>  - remove a now superflous mddev->gendisk NULL check
>  - use a bit in mddev->flags instead of a new field
>
> Changes since v2:
>  - delay mddev->kobj initialization
>
> Changes since v1:
>  - rebased to the md-next branch
>  - fixed error handling in md_alloc for real
>  - add a little cleanup patch

Applied to md-next. Thanks!

Song

>
> Diffstat:
>  md.c |  310 +++++++++++++++++++++++++++++++++++--------------------------------
>  md.h |    2
>  2 files changed, 165 insertions(+), 147 deletions(-)



[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux