bdev_max_discard_sectors identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/linux/blkdev.h, line 1365 (as a function)

Referenced in 46 files:

Smatch caller information:

drivers/md/dm-cache-target.c disable_passdown_if_not_supported() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
HALF_LOCKED2		&md->suspend_lock

drivers/md/dm-log-writes.c log_writes_io_hints() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
HALF_LOCKED2		&md->suspend_lock

drivers/md/md-linear.c linear_make_request() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	bdev->bd_queue->last_merge->__sector	0-u64max
USER_DATA	0	bdev->bd_queue->last_merge->__sector	0-u64max
NO_OVERFLOW_SIMPLE	0	bdev->bd_disk->queue->queue_hw_ctx
NO_OVERFLOW_SIMPLE	0	bdev->bd_disk->queue->stats
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&md->io_barrier
HALF_LOCKED2	0	&bdev->bd_queue->queue_lock

fs/btrfs/volumes.c btrfs_open_one_device() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &uuid_mutex

drivers/block/drbd/drbd_nl.c drbd_discard_supported() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
LOCK2		&q->limits_lock
HALF_LOCKED2		&adm_ctx->resource->adm_mutex
TYPE_LOCK		(struct request_queue)->limits_lock

drivers/block/drbd/drbd_nl.c sanitize_disk_conf() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
LOCK2		&adm_ctx->resource->adm_mutex
HALF_LOCKED2		&dev->lock
HALF_LOCKED2		&device->resource->conf_update
HALF_LOCKED2		&devlink->lock
HALF_LOCKED2		&net->xfrm.xfrm_cfg_mutex
HALF_LOCKED2		global &audit_cmd_mutex.lock
HALF_LOCKED2		global &cb_lock
HALF_LOCKED2		global &crypto_cfg_mutex
HALF_LOCKED2		global &dpll_lock
HALF_LOCKED2		global &hwsim_phys_lock
HALF_LOCKED2		global &net_dm_mutex
HALF_LOCKED2		global &rtnl_mutex
HALF_LOCKED2		global &rx_queue_mutex
TYPE_LOCK		(struct drbd_resource)->adm_mutex

drivers/block/drbd/drbd_nl.c sanitize_disk_conf() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		&adm_ctx->resource->adm_mutex
HALF_LOCKED2		&dev->lock
HALF_LOCKED2		&device->resource->conf_update
HALF_LOCKED2		&devlink->lock
HALF_LOCKED2		&net->xfrm.xfrm_cfg_mutex
HALF_LOCKED2		global &audit_cmd_mutex.lock
HALF_LOCKED2		global &cb_lock
HALF_LOCKED2		global &crypto_cfg_mutex
HALF_LOCKED2		global &dpll_lock
HALF_LOCKED2		global &hwsim_phys_lock
HALF_LOCKED2		global &net_dm_mutex
HALF_LOCKED2		global &rtnl_mutex
HALF_LOCKED2		global &rx_queue_mutex
TYPE_LOCK		(struct drbd_resource)->adm_mutex

mm/swapfile.c __do_sys_swapon() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
CAPABLE	0	21
UNITS	0	bdev	unit_byte
LOCK2		&inode->i_rwsem
TYPE_LOCK		(struct inode)->i_rwsem

mm/swapfile.c __do_sys_swapon() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
CAPABLE	0	21
UNITS	0	bdev	unit_byte
LOCK2		&inode->i_rwsem
TYPE_LOCK		(struct inode)->i_rwsem

drivers/md/dm-clone-target.c disable_passdown_if_not_supported() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
HALF_LOCKED2		&md->suspend_lock

fs/f2fs/segment.c __submit_discard_cmd() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
LOCK2		&dcc->cmd_lock
TYPE_LOCK		(struct discard_cmd_control)->cmd_lock

fs/f2fs/segment.c __submit_discard_cmd() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
CAPPED_DATA	0	bdev	1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
LOCK2		&dcc->cmd_lock
TYPE_LOCK		(struct discard_cmd_control)->cmd_lock

fs/f2fs/segment.c __update_discard_tree_range() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
CAPPED_DATA	0	bdev	1
DATA_SOURCE	0	bdev	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&dcc->cmd_lock
HALF_LOCKED2		&sbi->umount_mutex

fs/f2fs/segment.c f2fs_bdev_support_discard() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
DATA_SOURCE	0	bdev	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&sbi->cp_global_sem.internal_rwsem
HALF_LOCKED2		&sbi->gc_lock.internal_rwsem
HALF_LOCKED2		&sbi->pin_sem.internal_rwsem
HALF_LOCKED2		&sbi->umount_mutex

fs/ntfs/super.c ntfs_fill_super() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&fc->uapi_mutex

drivers/block/drbd/drbd_main.c drbd_send_sizes() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
PARAM_VALUE	0	bdev->bd_queue	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2		&sock->mutex
HALF_LOCKED2		&adm_ctx->resource->adm_mutex
TYPE_LOCK		(struct drbd_socket)->mutex

drivers/block/drbd/drbd_receiver.c can_do_reliable_discards() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value

drivers/block/drbd/drbd_receiver.c drbd_issue_discard_or_zero_out() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
PARAM_VALUE	0	bdev->bd_queue	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING

drivers/md/bcache/request.c cached_dev_write() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING

drivers/md/bcache/request.c detached_dev_do_request() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&orig_bio->bi_bdev->bd_queue->queue_lock

fs/exfat/super.c exfat_fill_super() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&fc->uapi_mutex

fs/exfat/super.c exfat_reconfigure() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&fc->uapi_mutex
HALF_LOCKED2		&sb->s_umount

drivers/block/xen-blkback/xenbus.c xen_blkbk_discard() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
BUF_SIZE	0	bdev	2136
DATA_SOURCE	0	bdev	r file_bdev
TASK_NOT_RUNNING
LOCK2		global &xenwatch_mutex

drivers/block/loop.c lo_fallocate() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
LOCK2		&pool->lock

fs/gfs2/rgrp.c gfs2_fitrim() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

fs/nilfs2/ioctl.c nilfs_ioctl_trim_fs() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

fs/fat/file.c fat_ioctl_fitrim() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

block/ioctl.c blk_ioctl_discard() -> bdev_max_discard_sectors()

Type	Key	Value
PARAM_VALUE	bdev	4096-ptr_max
BUF_SIZE	bdev	2136
DATA_SOURCE	bdev	$0

block/ioctl.c blkdev_cmd_discard() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
BUF_SIZE	0	bdev	2136
DATA_SOURCE	0	bdev	r I_BDEV
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&ctx->uring_lock

drivers/md/dm-thin.c disable_discard_passdown_if_not_supported() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
HALF_LOCKED2		&md->suspend_lock

fs/jbd2/journal.c __jbd2_journal_erase() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
RX_PATH
UNITS	0	bdev	unit_byte
LOCK2		&journal->j_checkpoint_mutex
TYPE_LOCK		(struct journal_s)->j_checkpoint_mutex

fs/f2fs/sysfs.c f2fs_bdev_support_discard() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
DATA_SOURCE	0	bdev	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
LOCK2		&seq->lock
TYPE_LOCK		(struct seq_file)->lock

fs/xfs/xfs_zone_gc.c xfs_submit_zone_reset_bio() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte

block/blk-core.c submit_bio_noacct() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&cache->writeback_lock
HALF_LOCKED2		&head->srcu
HALF_LOCKED2		&md->io_barrier
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&zmd->mblk_sem
HALF_LOCKED2		global &bch_register_lock

drivers/md/dm.c clone_endio() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	bdev->bd_queue->last_merge->__sector	0-18446744073709551614
NO_OVERFLOW_SIMPLE	0	bdev->bd_disk->queue->queue_hw_ctx
NO_OVERFLOW_SIMPLE	0	bdev->bd_disk->queue->stats
UNITS	0	bdev	unit_byte
HALF_LOCKED2	0	&bdev->bd_queue->queue_lock

fs/jfs/super.c jfs_fill_super() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&fc->uapi_mutex

drivers/md/raid1.c raid1_submit_write() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte

fs/fat/inode.c fat_fill_super() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&fc->uapi_mutex

drivers/md/dm-io.c do_region() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max

fs/exfat/file.c exfat_ioctl_fitrim() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

fs/btrfs/ioctl.c btrfs_ioctl_fitrim() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	1-u64max
CAPABLE	0	21
UNITS	0	bdev	unit_byte
LOCK2		rcu_read

fs/btrfs/extent-tree.c btrfs_trim_free_extents_throttle() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	1-u64max
CAPABLE	0	21
UNITS	0	bdev	unit_byte
LOCK2		&fs_devices->device_list_mutex
TYPE_LOCK		(struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/extent-tree.c do_discard_extent() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	1-u64max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&fs_info->unused_bg_unpin_mutex

drivers/md/dm-raid.c configure_discard_support() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	1-u64max
LOCK2		&rs->md.reconfig_mutex
HALF_LOCKED2		&md->type_lock
TYPE_LOCK		(struct mddev)->reconfig_mutex

fs/f2fs/file.c f2fs_bdev_support_discard() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
DATA_SOURCE	0	bdev	$0
UNITS	0	bdev	unit_byte

fs/ntfs/file.c ntfs_ioctl_fitrim() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

drivers/md/dm-table.c device_not_discard_capable() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value

drivers/block/rnbd/rnbd-srv.c rnbd_srv_fill_msg_open_rsp() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
BUF_SIZE	0	bdev	2136
DATA_SOURCE	0	bdev	r file_bdev
LOCK2		&srv_sess->lock
TYPE_LOCK		(struct rnbd_srv_session)->lock

fs/ext4/ioctl.c ext4_ioctl_checkpoint() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

drivers/target/target_core_device.c target_configure_unmap_from_bdev() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
DATA_SOURCE	0	bdev	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&buffer->mutex
HALF_LOCKED2		&frag->frag_sem

drivers/target/target_core_device.c target_configure_unmap_from_bdev() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
DATA_SOURCE	0	bdev	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&buffer->mutex
HALF_LOCKED2		&frag->frag_sem

drivers/md/raid10.c raid1_submit_write() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte

fs/xfs/xfs_discard.c xfs_ioc_trim() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

fs/xfs/xfs_discard.c xfs_ioc_trim() -> bdev_max_discard_sectors()

Type	Key	Value
PARAM_VALUE	bdev	4096-ptr_max
CAPABLE	21
UNITS	bdev	unit_byte

fs/xfs/xfs_discard.c xfs_ioc_trim() -> bdev_max_discard_sectors()

Type	Key	Value
PARAM_VALUE	bdev	4096-ptr_max
CAPABLE	21
UNITS	bdev	unit_byte

fs/ntfs3/file.c ntfs_ioctl_fitrim() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

fs/f2fs/super.c f2fs_bdev_support_discard() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
DATA_SOURCE	0	bdev	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&sb->s_umount
HALF_LOCKED2		&sbi->umount_mutex

fs/ocfs2/ioctl.c ocfs2_ioctl() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

fs/xfs/xfs_super.c xfs_fs_fill_super() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
PARAM_VALUE	0	bdev	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS	0	bdev	unit_byte
HALF_LOCKED2		&fc->uapi_mutex

fs/jfs/ioctl.c jfs_ioctl() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
CAPABLE	0	21
UNITS	0	bdev	unit_byte

drivers/md/raid5-cache.c r5l_write_super_and_discard_space() -> bdev_max_discard_sectors()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING