From: Christoph Hellwig <hch@lst.de> To: Jens Axboe <axboe@kernel.dk> Cc: Coly Li <colyli@suse.de>, Song Liu <song@kernel.org>, Ulf Hansson <ulf.hansson@linaro.org>, Luis Chamberlain <mcgrof@kernel.org>, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-nvme@lists.infradead.org Subject: [PATCH 7/8] bcache: move the del_gendisk call out of bcache_device_free Date: Mon, 9 Aug 2021 08:40:27 +0200 [thread overview] Message-ID: <20210809064028.1198327-8-hch@lst.de> (raw) In-Reply-To: <20210809064028.1198327-1-hch@lst.de> Let the callers call del_gendisk so that we can check if add_disk has been called properly for the cached device case instead of relying on the block layer internal GENHD_FL_UP flag. Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/md/bcache/super.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index d0f08e946453..f2874c77ff79 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -885,11 +885,6 @@ static void bcache_device_free(struct bcache_device *d) bcache_device_detach(d); if (disk) { - bool disk_added = (disk->flags & GENHD_FL_UP) != 0; - - if (disk_added) - del_gendisk(disk); - blk_cleanup_disk(disk); ida_simple_remove(&bcache_device_idx, first_minor_to_idx(disk->first_minor)); @@ -1371,8 +1366,10 @@ static void cached_dev_free(struct closure *cl) mutex_lock(&bch_register_lock); - if (atomic_read(&dc->running)) + if (atomic_read(&dc->running)) { bd_unlink_disk_holder(dc->bdev, dc->disk.disk); + del_gendisk(dc->disk.disk); + } bcache_device_free(&dc->disk); list_del(&dc->list); @@ -1518,6 +1515,7 @@ static void flash_dev_free(struct closure *cl) mutex_lock(&bch_register_lock); atomic_long_sub(bcache_dev_sectors_dirty(d), &d->c->flash_dev_dirty_sectors); + del_gendisk(d->disk); bcache_device_free(d); mutex_unlock(&bch_register_lock); kobject_put(&d->kobj); -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: Jens Axboe <axboe@kernel.dk> Cc: Coly Li <colyli@suse.de>, Song Liu <song@kernel.org>, Ulf Hansson <ulf.hansson@linaro.org>, Luis Chamberlain <mcgrof@kernel.org>, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-nvme@lists.infradead.org Subject: [PATCH 7/8] bcache: move the del_gendisk call out of bcache_device_free Date: Mon, 9 Aug 2021 08:40:27 +0200 [thread overview] Message-ID: <20210809064028.1198327-8-hch@lst.de> (raw) In-Reply-To: <20210809064028.1198327-1-hch@lst.de> Let the callers call del_gendisk so that we can check if add_disk has been called properly for the cached device case instead of relying on the block layer internal GENHD_FL_UP flag. Signed-off-by: Christoph Hellwig <hch@lst.de> --- drivers/md/bcache/super.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index d0f08e946453..f2874c77ff79 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -885,11 +885,6 @@ static void bcache_device_free(struct bcache_device *d) bcache_device_detach(d); if (disk) { - bool disk_added = (disk->flags & GENHD_FL_UP) != 0; - - if (disk_added) - del_gendisk(disk); - blk_cleanup_disk(disk); ida_simple_remove(&bcache_device_idx, first_minor_to_idx(disk->first_minor)); @@ -1371,8 +1366,10 @@ static void cached_dev_free(struct closure *cl) mutex_lock(&bch_register_lock); - if (atomic_read(&dc->running)) + if (atomic_read(&dc->running)) { bd_unlink_disk_holder(dc->bdev, dc->disk.disk); + del_gendisk(dc->disk.disk); + } bcache_device_free(&dc->disk); list_del(&dc->list); @@ -1518,6 +1515,7 @@ static void flash_dev_free(struct closure *cl) mutex_lock(&bch_register_lock); atomic_long_sub(bcache_dev_sectors_dirty(d), &d->c->flash_dev_dirty_sectors); + del_gendisk(d->disk); bcache_device_free(d); mutex_unlock(&bch_register_lock); kobject_put(&d->kobj); -- 2.30.2 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme
next prev parent reply other threads:[~2021-08-09 6:48 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-09 6:40 remove GENHD_FL_UP Christoph Hellwig 2021-08-09 6:40 ` Christoph Hellwig 2021-08-09 6:40 ` [PATCH 1/8] mmc: block: let device_add_disk create disk attributes Christoph Hellwig 2021-08-09 6:40 ` Christoph Hellwig 2021-08-09 11:30 ` Ulf Hansson 2021-08-09 11:30 ` Ulf Hansson 2021-08-09 6:40 ` [PATCH 2/8] mmc: block: cleanup gendisk creation Christoph Hellwig 2021-08-09 6:40 ` Christoph Hellwig 2021-08-09 11:30 ` Ulf Hansson 2021-08-09 11:30 ` Ulf Hansson 2021-08-09 6:40 ` [PATCH 3/8] nvme: remove the GENHD_FL_UP check in nvme_ns_remove Christoph Hellwig 2021-08-09 6:40 ` Christoph Hellwig 2021-08-09 6:40 ` [PATCH 4/8] nvme: replace the GENHD_FL_UP check in nvme_mpath_shutdown_disk Christoph Hellwig 2021-08-09 6:40 ` Christoph Hellwig 2021-08-09 6:40 ` [PATCH 5/8] sx8: use the internal state machine to check if del_gendisk needs to be called Christoph Hellwig 2021-08-09 6:40 ` Christoph Hellwig 2021-08-09 6:40 ` [PATCH 6/8] bcache: add proper error unwinding in bcache_device_init Christoph Hellwig 2021-08-09 6:40 ` Christoph Hellwig 2021-08-12 15:48 ` Coly Li 2021-08-12 15:48 ` Coly Li 2021-08-09 6:40 ` Christoph Hellwig [this message] 2021-08-09 6:40 ` [PATCH 7/8] bcache: move the del_gendisk call out of bcache_device_free Christoph Hellwig 2021-08-12 8:38 ` Coly Li 2021-08-12 8:38 ` Coly Li 2021-08-09 6:40 ` [PATCH 8/8] block: remove GENHD_FL_UP Christoph Hellwig 2021-08-09 6:40 ` Christoph Hellwig 2021-08-12 16:30 ` Jens Axboe 2021-08-12 16:30 ` Jens Axboe
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