[09/30] block: remove the unused mode argument to ->release

Message ID	20230608110258.189493-10-hch@lst.de
State	Not Applicable
Headers	show Return-Path: <linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> From: Christoph Hellwig <hch@lst.de> To: Jens Axboe <axboe@kernel.dk> Cc: Richard Weinberger <richard@nod.at>, Josef Bacik <josef@toxicpanda.com>, "Md. Haris Iqbal" <haris.iqbal@ionos.com>, Jack Wang <jinpu.wang@ionos.com>, Phillip Potter <phil@philpotter.co.uk>, Coly Li <colyli@suse.de>, Miquel Raynal <miquel.raynal@bootlin.com>, Vignesh Raghavendra <vigneshr@ti.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, Chris Mason <clm@fb.com>, David Sterba <dsterba@suse.com>, Alexander Viro <viro@zeniv.linux.org.uk>, Christian Brauner <brauner@kernel.org>, "Rafael J. Wysocki" <rafael@kernel.org>, Pavel Machek <pavel@ucw.cz>, dm-devel@redhat.com, linux-block@vger.kernel.org, linux-um@lists.infradead.org, linux-scsi@vger.kernel.org, linux-bcache@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org, linux-btrfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nilfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-pm@vger.kernel.org, Hannes Reinecke <hare@suse.de> Subject: [PATCH 09/30] block: remove the unused mode argument to ->release Date: Thu, 8 Jun 2023 13:02:37 +0200 Message-Id: <20230608110258.189493-10-hch@lst.de> In-Reply-To: <20230608110258.189493-1-hch@lst.de> References: <20230608110258.189493-1-hch@lst.de> MIME-Version: 1.0 Precedence: list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" <linux-um-bounces@lists.infradead.org> Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org
Series	[01/30] block: also call ->open for incremental partition opens \| expand [01/30] block: also call ->open for incremental partition opens [02/30] cdrom: remove the unused bdev argument to cdrom_open [03/30] cdrom: remove the unused mode argument to cdrom_ioctl [04/30] cdrom: remove the unused cdrom_close_write release code [05/30] cdrom: track if a cdrom_device_info was opened for data [06/30] cdrom: remove the unused mode argument to cdrom_release [07/30] block: pass a gendisk on bdev_check_media_change [08/30] block: pass a gendisk to ->open [09/30] block: remove the unused mode argument to ->release [10/30] block: rename blkdev_close to blkdev_release [11/30] swsusp: don't pass a stack address to blkdev_get_by_path [12/30] bcache: don't pass a stack address to blkdev_get_by_path [13/30] rnbd-srv: don't pass a holder for non-exclusive blkdev_get_by_path [14/30] btrfs: don't pass a holder for non-exclusive blkdev_get_by_path [15/30] block: use the holder as indication for exclusive opens [16/30] block: add a sb_open_mode helper [17/30] fs: remove sb->s_mode [18/30] scsi: replace the fmode_t argument to scsi_cmd_allowed with a simple bool [19/30] scsi: replace the fmode_t argument to scsi_ioctl with a simple bool [20/30] scsi: replace the fmode_t argument to ->sg_io_fn with a simple bool [21/30] nvme: replace the fmode_t argument to the nvme ioctl handlers with a simple bool [22/30] mtd: block: use a simple bool to track open for write [23/30] rnbd-srv: replace sess->open_flags with a "bool readonly" [24/30] ubd: remove commented out code in ubd_open [25/30] block: move a few internal definitions out of blkdev.h [26/30] block: remove unused fmode_t arguments from ioctl handlers [27/30] block: replace fmode_t with a block-specific type for block open flags [28/30] block: always use I_BDEV on file->f_mapping->host to find the bdev [29/30] block: store the holder in file->private_data [30/30] fs: remove the now unused FMODE_* flags

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 6b831f82881bc4..8b79554968addb 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -109,7 +109,7 @@ static DEFINE_MUTEX(ubd_lock); static DEFINE_MUTEX(ubd_mutex); /* replaces BKL, might not be needed */ static int ubd_open(struct gendisk *disk, fmode_t mode); -static void ubd_release(struct gendisk *disk, fmode_t mode); +static void ubd_release(struct gendisk *disk); static int ubd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg); static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo); @@ -1182,7 +1182,7 @@ static int ubd_open(struct gendisk *disk, fmode_t mode) return err; } -static void ubd_release(struct gendisk *disk, fmode_t mode) +static void ubd_release(struct gendisk *disk) { struct ubd *ubd_dev = disk->private_data; diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c index 38f95f79a1270c..2ad9da3de0d90f 100644 --- a/arch/xtensa/platforms/iss/simdisk.c +++ b/arch/xtensa/platforms/iss/simdisk.c @@ -130,7 +130,7 @@ static int simdisk_open(struct gendisk *disk, fmode_t mode) return 0; } -static void simdisk_release(struct gendisk *disk, fmode_t mode) +static void simdisk_release(struct gendisk *disk) { struct simdisk *dev = disk->private_data; spin_lock(&dev->lock); diff --git a/block/bdev.c b/block/bdev.c index 8a5fded303d4ed..2c6888ceb3784a 100644 --- a/block/bdev.c +++ b/block/bdev.c @@ -670,12 +670,12 @@ static int blkdev_get_whole(struct block_device *bdev, fmode_t mode) return 0; } -static void blkdev_put_whole(struct block_device *bdev, fmode_t mode) +static void blkdev_put_whole(struct block_device *bdev) { if (atomic_dec_and_test(&bdev->bd_openers)) blkdev_flush_mapping(bdev); if (bdev->bd_disk->fops->release) - bdev->bd_disk->fops->release(bdev->bd_disk, mode); + bdev->bd_disk->fops->release(bdev->bd_disk); } static int blkdev_get_part(struct block_device *part, fmode_t mode) @@ -699,11 +699,11 @@ static int blkdev_get_part(struct block_device *part, fmode_t mode) return 0; out_blkdev_put: - blkdev_put_whole(bdev_whole(part), mode); + blkdev_put_whole(bdev_whole(part)); return ret; } -static void blkdev_put_part(struct block_device *part, fmode_t mode) +static void blkdev_put_part(struct block_device *part) { struct block_device *whole = bdev_whole(part); @@ -711,7 +711,7 @@ static void blkdev_put_part(struct block_device *part, fmode_t mode) blkdev_flush_mapping(part); whole->bd_disk->open_partitions--; } - blkdev_put_whole(whole, mode); + blkdev_put_whole(whole); } struct block_device *blkdev_get_no_open(dev_t dev) @@ -903,9 +903,9 @@ void blkdev_put(struct block_device *bdev, fmode_t mode) disk_flush_events(disk, DISK_EVENT_MEDIA_CHANGE); if (bdev_is_partition(bdev)) - blkdev_put_part(bdev, mode); + blkdev_put_part(bdev); else - blkdev_put_whole(bdev, mode); + blkdev_put_whole(bdev); mutex_unlock(&disk->open_mutex); module_put(disk->fops->owner); diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c index 0cf2e58294be68..9a0e9dc74a8c57 100644 --- a/drivers/block/amiflop.c +++ b/drivers/block/amiflop.c @@ -1709,7 +1709,7 @@ static int floppy_open(struct gendisk *disk, fmode_t mode) return 0; } -static void floppy_release(struct gendisk *disk, fmode_t mode) +static void floppy_release(struct gendisk *disk) { struct amiga_floppy_struct *p = disk->private_data; int drive = p - unit; diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 4ca6bbb326d5de..c3a39e02ab9571 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -232,7 +232,7 @@ aoeblk_open(struct gendisk *disk, fmode_t mode) } static void -aoeblk_release(struct gendisk *disk, fmode_t mode) +aoeblk_release(struct gendisk *disk) { struct aoedev *d = disk->private_data; ulong flags; diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 4febd52be78cfc..66a3242bb062c3 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -448,7 +448,7 @@ static void fd_probe( int drive ); static int fd_test_drive_present( int drive ); static void config_types( void ); static int floppy_open(struct gendisk *disk, fmode_t mode); -static void floppy_release(struct gendisk *disk, fmode_t mode); +static void floppy_release(struct gendisk *disk); /************************* End of Prototypes **************************/ @@ -1964,7 +1964,7 @@ static int floppy_unlocked_open(struct gendisk *disk, fmode_t mode) return ret; } -static void floppy_release(struct gendisk *disk, fmode_t mode) +static void floppy_release(struct gendisk *disk) { struct atari_floppy_struct *p = disk->private_data; mutex_lock(&ataflop_mutex); diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 8b6c19460f3425..7f3d7ca6ce6bcf 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -50,7 +50,7 @@ static DEFINE_MUTEX(drbd_main_mutex); static int drbd_open(struct gendisk *disk, fmode_t mode); -static void drbd_release(struct gendisk *gd, fmode_t mode); +static void drbd_release(struct gendisk *gd); static void md_sync_timer_fn(struct timer_list *t); static int w_bitmap_io(struct drbd_work *w, int unused); @@ -1908,7 +1908,7 @@ static int drbd_open(struct gendisk *disk, fmode_t mode) return rv; } -static void drbd_release(struct gendisk *gd, fmode_t mode) +static void drbd_release(struct gendisk *gd) { struct drbd_device *device = gd->private_data; mutex_lock(&drbd_main_mutex); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index ef3bbb7c185b56..d79fac288a73dc 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -3963,7 +3963,7 @@ static void __init config_types(void) pr_cont("\n"); } -static void floppy_release(struct gendisk *disk, fmode_t mode) +static void floppy_release(struct gendisk *disk) { int drive = (long)disk->private_data; diff --git a/drivers/block/loop.c b/drivers/block/loop.c index a73c857f5bfed0..ca40d24572aea6 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1727,7 +1727,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode, } #endif -static void lo_release(struct gendisk *disk, fmode_t mode) +static void lo_release(struct gendisk *disk) { struct loop_device *lo = disk->private_data; diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 14202b6a3550cc..cfb83523868411 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1597,7 +1597,7 @@ static int nbd_open(struct gendisk *disk, fmode_t mode) return ret; } -static void nbd_release(struct gendisk *disk, fmode_t mode) +static void nbd_release(struct gendisk *disk) { struct nbd_device *nbd = disk->private_data; diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 93478d5a3fc407..7bfc058cb66504 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2292,7 +2292,7 @@ static int pkt_open(struct gendisk *disk, fmode_t mode) return ret; } -static void pkt_close(struct gendisk *disk, fmode_t mode) +static void pkt_release(struct gendisk *disk) { struct pktcdvd_device *pd = disk->private_data; @@ -2616,7 +2616,7 @@ static const struct block_device_operations pktcdvd_ops = { .owner = THIS_MODULE, .submit_bio = pkt_submit_bio, .open = pkt_open, - .release = pkt_close, + .release = pkt_release, .ioctl = pkt_ioctl, .compat_ioctl = blkdev_compat_ptr_ioctl, .check_events = pkt_check_events, diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 93231061db2f2b..5215eff94fe94f 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -679,7 +679,7 @@ static int rbd_open(struct gendisk *disk, fmode_t mode) return 0; } -static void rbd_release(struct gendisk *disk, fmode_t mode) +static void rbd_release(struct gendisk *disk) { struct rbd_device *rbd_dev = disk->private_data; unsigned long open_count_before; diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c index 8ec00f4caf6b4c..d5261d36d78630 100644 --- a/drivers/block/rnbd/rnbd-clt.c +++ b/drivers/block/rnbd/rnbd-clt.c @@ -935,7 +935,7 @@ static int rnbd_client_open(struct gendisk *disk, fmode_t mode) return 0; } -static void rnbd_client_release(struct gendisk *gen, fmode_t mode) +static void rnbd_client_release(struct gendisk *gen) { struct rnbd_clt_dev *dev = gen->private_data; diff --git a/drivers/block/swim.c b/drivers/block/swim.c index 7ec8554187f7d7..a629b38dec660a 100644 --- a/drivers/block/swim.c +++ b/drivers/block/swim.c @@ -670,7 +670,7 @@ static int floppy_unlocked_open(struct gendisk *disk, fmode_t mode) return ret; } -static void floppy_release(struct gendisk *disk, fmode_t mode) +static void floppy_release(struct gendisk *disk) { struct floppy_state *fs = disk->private_data; struct swim __iomem *base = fs->swd->base; diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c index c05a4e110d5275..b696deff3d8ba1 100644 --- a/drivers/block/swim3.c +++ b/drivers/block/swim3.c @@ -249,7 +249,6 @@ static int fd_eject(struct floppy_state *fs); static int floppy_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long param); static int floppy_open(struct gendisk *disk, fmode_t mode); -static void floppy_release(struct gendisk *disk, fmode_t mode); static unsigned int floppy_check_events(struct gendisk *disk, unsigned int clearing); static int floppy_revalidate(struct gendisk *disk); @@ -1004,7 +1003,7 @@ static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode) return ret; } -static void floppy_release(struct gendisk *disk, fmode_t mode) +static void floppy_release(struct gendisk *disk) { struct floppy_state *fs = disk->private_data; struct swim3 __iomem *sw = fs->swim3; diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index a5575e012e291e..a2e41cc084ca3a 100644 --- a/drivers/block/z2ram.c +++ b/drivers/block/z2ram.c @@ -288,7 +288,7 @@ static int z2_open(struct gendisk *disk, fmode_t mode) return rc; } -static void z2_release(struct gendisk *disk, fmode_t mode) +static void z2_release(struct gendisk *disk) { mutex_lock(&z2ram_mutex); if (current_device == -1) { diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c index d35dd717e9fca9..dac148d4d1feda 100644 --- a/drivers/cdrom/gdrom.c +++ b/drivers/cdrom/gdrom.c @@ -486,7 +486,7 @@ static int gdrom_bdops_open(struct gendisk *disk, fmode_t mode) return ret; } -static void gdrom_bdops_release(struct gendisk *disk, fmode_t mode) +static void gdrom_bdops_release(struct gendisk *disk) { mutex_lock(&gdrom_mutex); cdrom_release(gd.cd_info, mode); diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 6683f66e701136..94b91c45c9e2a9 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -743,7 +743,7 @@ static int open_dev(struct gendisk *disk, fmode_t mode) return 0; } -static void release_dev(struct gendisk *b, fmode_t mode) +static void release_dev(struct gendisk *b) { struct bcache_device *d = b->private_data; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 06047a0ca4b315..246b8f028a98f4 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -334,7 +334,7 @@ static int dm_blk_open(struct gendisk *disk, fmode_t mode) return md ? 0 : -ENXIO; } -static void dm_blk_close(struct gendisk *disk, fmode_t mode) +static void dm_blk_close(struct gendisk *disk) { struct mapped_device *md; diff --git a/drivers/md/md.c b/drivers/md/md.c index aba13830bdb556..159197dd7b6de1 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7799,7 +7799,7 @@ static int md_open(struct gendisk *disk, fmode_t mode) return err; } -static void md_release(struct gendisk *disk, fmode_t mode) +static void md_release(struct gendisk *disk) { struct mddev *mddev = disk->private_data; diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index fe217658705d1f..b16eedf22d4e26 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -375,7 +375,7 @@ static int mmc_blk_open(struct gendisk *disk, fmode_t mode) return ret; } -static void mmc_blk_release(struct gendisk *disk, fmode_t mode) +static void mmc_blk_release(struct gendisk *disk) { struct mmc_blk_data *md = disk->private_data; diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index 95f3ee6bde8440..f0bb09fde95e3a 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -225,7 +225,7 @@ static int blktrans_open(struct gendisk *disk, fmode_t mode) return ret; } -static void blktrans_release(struct gendisk *disk, fmode_t mode) +static void blktrans_release(struct gendisk *disk) { struct mtd_blktrans_dev *dev = disk->private_data; diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c index 2f3442963919fc..e85fb9de0b7004 100644 --- a/drivers/mtd/ubi/block.c +++ b/drivers/mtd/ubi/block.c @@ -270,7 +270,7 @@ static int ubiblock_open(struct gendisk *disk, fmode_t mode) return ret; } -static void ubiblock_release(struct gendisk *gd, fmode_t mode) +static void ubiblock_release(struct gendisk *gd) { struct ubiblock *dev = gd->private_data; diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index b1c8af5d9376ad..fd7f8e6d66fda6 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1596,7 +1596,7 @@ static int nvme_open(struct gendisk *disk, fmode_t mode) return nvme_ns_open(disk->private_data); } -static void nvme_release(struct gendisk *disk, fmode_t mode) +static void nvme_release(struct gendisk *disk) { nvme_ns_release(disk->private_data); } diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index e8d5d62efa6d7c..698c0e70bcfa5b 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -409,7 +409,7 @@ static int nvme_ns_head_open(struct gendisk *disk, fmode_t mode) return 0; } -static void nvme_ns_head_release(struct gendisk *disk, fmode_t mode) +static void nvme_ns_head_release(struct gendisk *disk) { nvme_put_ns_head(disk->private_data); } diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index e445b5fbd7fd27..19295b2df470c8 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3287,7 +3287,7 @@ static int dasd_open(struct gendisk *disk, fmode_t mode) return rc; } -static void dasd_release(struct gendisk *disk, fmode_t mode) +static void dasd_release(struct gendisk *disk) { struct dasd_device *base = dasd_device_from_gendisk(disk); if (base) { diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 6150d20b584300..5aee3106bfda84 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -29,7 +29,7 @@ #define DCSS_BUS_ID_SIZE 20 static int dcssblk_open(struct gendisk *disk, fmode_t mode); -static void dcssblk_release(struct gendisk *disk, fmode_t mode); +static void dcssblk_release(struct gendisk *disk); static void dcssblk_submit_bio(struct bio *bio); static long dcssblk_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages, enum dax_access_mode mode, void **kaddr, @@ -825,7 +825,7 @@ dcssblk_open(struct gendisk *disk, fmode_t mode) } static void -dcssblk_release(struct gendisk *disk, fmode_t mode) +dcssblk_release(struct gendisk *disk) { struct dcssblk_dev_info *dev_info = disk->private_data; struct segment_info *entry; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index c31a675db015e8..c67c84f6ba6178 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1373,7 +1373,6 @@ static int sd_open(struct gendisk *disk, fmode_t mode) * sd_release - invoked when the (last) close(2) is called on this * scsi disk. * @disk: disk to release - * @mode: FMODE_* mask * * Returns 0. * @@ -1382,7 +1381,7 @@ static int sd_open(struct gendisk *disk, fmode_t mode) * * Locking: called with bdev->bd_disk->open_mutex held. **/ -static void sd_release(struct gendisk *disk, fmode_t mode) +static void sd_release(struct gendisk *disk) { struct scsi_disk *sdkp = scsi_disk(disk); struct scsi_device *sdev = sdkp->device; diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 3ff3a2f9604774..55082acb59bcaa 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -507,7 +507,7 @@ static int sr_block_open(struct gendisk *disk, fmode_t mode) return ret; } -static void sr_block_release(struct gendisk *disk, fmode_t mode) +static void sr_block_release(struct gendisk *disk) { struct scsi_cd *cd = scsi_cd(disk); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 1366eea881860e..25bdd0cc74dce4 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1387,7 +1387,7 @@ struct block_device_operations { int (*poll_bio)(struct bio *bio, struct io_comp_batch *iob, unsigned int flags); int (*open)(struct gendisk *disk, fmode_t mode); - void (*release) (struct gendisk *, fmode_t); + void (*release)(struct gendisk *disk); int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); unsigned int (*check_events) (struct gendisk *disk,

[09/30] block: remove the unused mode argument to ->release

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