Re: [dm-devel] [PATCH 04/26] block: add a flag to make put_disk on partially... | linux-mmc

simplify gendisk and request_queue allocation for bio based drivers · Christoph Hellwig <hch@lst.de> · 2021-05-21
[PATCH 02/26] block: move the DISK_MAX_PARTS sanity check into __device_add_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [dm-devel] [PATCH 02/26] block: move the DISK_MAX_PARTS sanity check into __device_add_disk · Luis Chamberlain <mcgrof@kernel.org> · 2021-05-21
Re: [PATCH 02/26] block: move the DISK_MAX_PARTS sanity check into __device_add_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 01/26] block: refactor device number setup in __device_add_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [dm-devel] [PATCH 01/26] block: refactor device number setup in __device_add_disk · Luis Chamberlain <mcgrof@kernel.org> · 2021-05-21
Re: [dm-devel] [PATCH 01/26] block: refactor device number setup in __device_add_disk · Christoph Hellwig <hch@lst.de> · 2021-05-24
Re: [PATCH 01/26] block: refactor device number setup in __device_add_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
Re: [PATCH 01/26] block: refactor device number setup in __device_add_disk · Christoph Hellwig <hch@lst.de> · 2021-05-24
[PATCH 04/26] block: add a flag to make put_disk on partially initalized disks safer · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [dm-devel] [PATCH 04/26] block: add a flag to make put_disk on partially initalized disks safer · Luis Chamberlain <mcgrof@kernel.org> · 2021-05-21
Re: [PATCH 04/26] block: add a flag to make put_disk on partially initalized disks safer · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 03/26] block: automatically enable GENHD_FL_EXT_DEVT · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [dm-devel] [PATCH 03/26] block: automatically enable GENHD_FL_EXT_DEVT · Luis Chamberlain <mcgrof@kernel.org> · 2021-05-21
Re: [PATCH 03/26] block: automatically enable GENHD_FL_EXT_DEVT · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 05/26] block: add blk_alloc_disk and blk_cleanup_disk APIs · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [dm-devel] [PATCH 05/26] block: add blk_alloc_disk and blk_cleanup_disk APIs · Luis Chamberlain <mcgrof@kernel.org> · 2021-05-21
Re: [dm-devel] [PATCH 05/26] block: add blk_alloc_disk and blk_cleanup_disk APIs · Christoph Hellwig <hch@lst.de> · 2021-05-24
Re: [PATCH 05/26] block: add blk_alloc_disk and blk_cleanup_disk APIs · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 06/26] brd: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 06/26] brd: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
Re: [PATCH 06/26] brd: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-24
[PATCH 07/26] drbd: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 07/26] drbd: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 08/26] pktcdvd: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 08/26] pktcdvd: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 09/26] rsxx: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 09/26] rsxx: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 10/26] zram: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 10/26] zram: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 11/26] lightnvm: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 11/26] lightnvm: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 13/26] dm: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 13/26] dm: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
Re: [PATCH 13/26] dm: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-24
[PATCH 12/26] bcache: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 12/26] bcache: convert to blk_alloc_disk/blk_cleanup_disk · Coly Li <hidden> · 2021-05-21
Re: [PATCH 12/26] bcache: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 12/26] bcache: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
Re: [PATCH 12/26] bcache: convert to blk_alloc_disk/blk_cleanup_disk · Coly Li <hidden> · 2021-05-23
[PATCH 14/26] md: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 14/26] md: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
Re: [PATCH 14/26] md: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-24
Re: [PATCH 14/26] md: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-24
[PATCH 15/26] nvdimm-blk: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 15/26] nvdimm-blk: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 16/26] nvdimm-btt: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 16/26] nvdimm-btt: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 17/26] nvdimm-pmem: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 17/26] nvdimm-pmem: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
Re: [PATCH 17/26] nvdimm-pmem: convert to blk_alloc_disk/blk_cleanup_disk · Dan Williams <hidden> · 2021-06-07
[PATCH 18/26] nvme-multipath: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 18/26] nvme-multipath: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
Re: [PATCH 18/26] nvme-multipath: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-24
[PATCH 19/26] nfblock: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 19/26] nfblock: convert to blk_alloc_disk/blk_cleanup_disk · Geert Uytterhoeven <geert@linux-m68k.org> · 2021-05-21
Re: [PATCH 19/26] nfblock: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 20/26] simdisk: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 20/26] simdisk: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 22/26] ps3vram: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 22/26] ps3vram: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 21/26] n64cart: convert to blk_alloc_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 21/26] n64cart: convert to blk_alloc_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 23/26] dcssblk: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 23/26] dcssblk: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 24/26] xpram: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 24/26] xpram: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 25/26] null_blk: convert to blk_alloc_disk/blk_cleanup_disk · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 25/26] null_blk: convert to blk_alloc_disk/blk_cleanup_disk · Hannes Reinecke <hare@suse.de> · 2021-05-23
[PATCH 26/26] block: unexport blk_alloc_queue · Christoph Hellwig <hch@lst.de> · 2021-05-21
Re: [PATCH 26/26] block: unexport blk_alloc_queue · Hannes Reinecke <hare@suse.de> · 2021-05-23
Re: simplify gendisk and request_queue allocation for bio based drivers · Ulf Hansson <hidden> · 2021-05-25
Re: simplify gendisk and request_queue allocation for bio based drivers · Christoph Hellwig <hch@lst.de> · 2021-05-26
Re: simplify gendisk and request_queue allocation for bio based drivers · Ulf Hansson <hidden> · 2021-05-26
Re: simplify gendisk and request_queue allocation for bio based drivers · Jens Axboe <axboe@kernel.dk> · 2021-06-01

Re: [dm-devel] [PATCH 04/26] block: add a flag to make put_disk on partially initalized disks safer

From: Luis Chamberlain <mcgrof@kernel.org>
Date: 2021-05-21 17:28:47
Also in: dm-devel, linux-bcache, linux-block, linux-m68k, linux-nvme, linux-raid, linux-s390, linuxppc-dev, nvdimm

On Fri, May 21, 2021 at 07:50:54AM +0200, Christoph Hellwig wrote:

Add a flag to indicate that __device_add_disk did grab a queue reference
so that disk_release only drops it if we actually had it.  This sort
out one of the major pitfals with partially initialized gendisk that
a lot of drivers did get wrong or still do.

Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>

  Luis

`h`	back out one level
`j`	next message in thread
`k`	previous message in thread
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help