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Searched refs:logical (Results 1 – 25 of 217) sorted by relevance

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/linux/fs/btrfs/tests/
H A Draid-stripe-tree-tests.c86 bioc->logical = logical2; in test_punch_hole_3extents()
107 bioc->logical = logical3; in test_punch_hole_3extents()
262 bioc->logical = logical2; in test_delete_two_extents()
283 bioc->logical = logical3; in test_delete_two_extents()
545 bioc->logical = logical2; in test_front_delete_prev_item()
651 u64 logical = SZ_1M; in test_front_delete() local
655 bioc = alloc_btrfs_io_context(fs_info, logical, RST_TEST_NUM_DEVICES); in test_front_delete()
676 stripe->physical = logical + i * SZ_1G; in test_front_delete()
685 ret = btrfs_get_raid_extent_offset(fs_info, logical, &len, map_type, 0, &io_stripe); in test_front_delete()
687 test_err("lookup of RAID extent [%llu, %llu] failed", logical, in test_front_delete()
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/linux/Documentation/admin-guide/device-mapper/
H A Ddm-ebs.rst7 a smaller logical block size on a device with a larger logical block
11 Supported emulated logical block sizes 512, 1024, 2048 and 4096.
29 Number of sectors defining the logical block size to be emulated;
35 Number of sectors defining the logical block size of <dev path>.
37 If not provided, the logical block size of <dev path> will be used.
42 Emulate 1 sector = 512 bytes logical block size on /dev/sda starting at
47 Emulate 2 sector = 1KiB logical block size on /dev/sda starting at
49 This presumes 2KiB logical blocksize on /dev/sda or less to work:
/linux/Documentation/usb/
H A Dmass-storage.rst10 multiple logical units (LUNs). Backing storage for each LUN is
41 backing storage for each logical unit. There may be at most
48 read, but (if the logical unit is writable) due to buffering on
51 The size of the logical unit will be rounded down to a full
52 logical block. The logical block size is 2048 bytes for LUNs
58 This parameter specifies whether each logical unit should be
62 If this option is set for a logical unit, gadget will accept an
64 backing file will be closed to simulate ejection and the logical
69 If a logical unit is not removable (the default), a backing file
81 Note that “removable” means the logical unit's media can be
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/linux/Documentation/ABI/testing/
H A Dsysfs-bus-pci-devices-cciss5 Description: Displays the SCSI INQUIRY page 0 model for logical drive
12 Description: Displays the SCSI INQUIRY page 0 revision for logical
19 Description: Displays the SCSI INQUIRY page 83 serial number for logical
26 Description: Displays the SCSI INQUIRY page 0 vendor for logical drive
39 Description: Kicks of a rescan of the controller to discover logical
46 Description: Displays the 8-byte LUN ID used to address logical
53 Description: Displays the RAID level of logical drive Y of
60 Description: Displays the usage count (number of opens) of logical drive Y
H A Dsysfs-class-fc8 an application or logical entity such as a virtual
9 machine or container group. The application or logical
/linux/Documentation/i2c/
H A Di2c-sysfs.rst12 kernel abstracts the MUX channels into logical I2C bus numbers. However, there
14 to logical I2C bus number. This doc is aimed to fill in this gap, so the
16 the concept of logical I2C buses in the kernel, by knowing the physical I2C
41 start with ``i2c-`` are I2C buses, which may be either physical or logical. The
80 Every I2C bus number you see in Linux I2C Sysfs is a logical I2C bus with a
84 Each logical I2C bus may be an abstraction of a physical I2C bus controller, or
86 MUX channel, whenever we access an I2C device via a such logical bus, the kernel
93 If the logical I2C bus is a direct abstraction of a physical I2C bus controller,
101 to a different number in logical I2C bus level in Device Tree Source (DTS) under
106 bus physical number the same as their corresponding logical I2C bus number,
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/linux/fs/btrfs/
H A Dscrub.c80 /* Set when @mirror_num, @dev, @physical and @logical are set. */
137 u64 logical; member
314 u64 logical; member
550 "scrub: %s at logical %llu on dev %s, physical %llu root %llu inode %llu offset %llu length %u links %u (path: %s)", in scrub_print_warning_inode()
551 swarn->errstr, swarn->logical, in scrub_print_warning_inode()
563 "scrub: %s at logical %llu on dev %s, physical %llu root %llu inode %llu offset %llu: path resolving failed with ret=%d", in scrub_print_warning_inode()
564 swarn->errstr, swarn->logical, in scrub_print_warning_inode()
573 bool is_super, u64 logical, u64 physical) in scrub_print_common_warning()
596 swarn.logical = logical; in scrub_print_common_warning()
571 scrub_print_common_warning(const char * errstr,struct btrfs_device * dev,bool is_super,u64 logical,u64 physical) scrub_print_common_warning() argument
689 const u64 logical = stripe->logical + (sector_nr << fs_info->sectorsize_bits); scrub_verify_one_metadata() local
918 alloc_scrub_bbio(struct btrfs_fs_info * fs_info,blk_opf_t opf,u64 logical,btrfs_bio_end_io_t end_io,void * private) alloc_scrub_bbio() argument
1565 sync_write_pointer_for_zoned(struct scrub_ctx * sctx,u64 logical,u64 physical,u64 physical_end) sync_write_pointer_for_zoned() argument
1793 const u64 logical = stripe->logical + scrub_submit_extent_sector_read() local
1999 queue_scrub_stripe(struct scrub_ctx * sctx,struct btrfs_block_group * bg,struct btrfs_device * dev,int mirror_num,u64 logical,u32 length,u64 physical,u64 * found_logical_ret) queue_scrub_stripe() argument
2413 u64 logical; scrub_stripe() local
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H A Draid-stripe-tree.c345 trace_btrfs_insert_one_raid_extent(fs_info, bioc->logical, bioc->size, in btrfs_insert_one_raid_extent()
356 stripe_key.objectid = bioc->logical; in btrfs_insert_one_raid_extent()
406 u64 logical, u64 *length, u64 map_type, in btrfs_get_raid_extent_offset() argument
415 const u64 end = logical + *length; in btrfs_get_raid_extent_offset()
426 logical); in btrfs_get_raid_extent_offset()
430 stripe_key.objectid = logical; in btrfs_get_raid_extent_offset()
465 if (in_range(logical, found_logical, found_length)) in btrfs_get_raid_extent_offset()
473 offset = logical - found_logical; in btrfs_get_raid_extent_offset()
499 trace_btrfs_get_raid_extent_offset(fs_info, logical, *length, in btrfs_get_raid_extent_offset()
513 logical, logical + *length, stripe->dev->devid, in btrfs_get_raid_extent_offset()
H A Dvolumes.h529 u64 logical; member
733 u64 logical, u64 *length,
737 struct btrfs_io_stripe *smap, u64 logical,
740 u64 logical, u64 *length_ret,
771 int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len);
803 u64 logical);
817 u64 logical, u64 length);
819 u64 logical, u64 length);
821 u64 logical, u64 length);
935 bool btrfs_repair_one_zone(struct btrfs_fs_info *fs_info, u64 logical);
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H A Dzoned.c1910 u64 logical = cache->start; in btrfs_load_block_group_zone_info() local
1926 logical, length, fs_info->zone_size); in btrfs_load_block_group_zone_info()
1930 map = btrfs_find_chunk_map(fs_info, logical, length); in btrfs_load_block_group_zone_info()
2001 logical, last_alloc, cache->alloc_offset); in btrfs_load_block_group_zone_info()
2086 sum->logical -= bbio->orig_physical - physical; in btrfs_record_physical_zoned()
2088 sum->logical += physical - bbio->orig_physical; in btrfs_record_physical_zoned()
2092 u64 logical) in btrfs_rewrite_logical_zoned() argument
2097 ordered->disk_bytenr = logical; in btrfs_rewrite_logical_zoned()
2104 em->disk_bytenr = logical; in btrfs_rewrite_logical_zoned()
2110 u64 logical, u64 len) in btrfs_zoned_split_ordered() argument
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H A Dtree-checker.c855 const struct btrfs_chunk *chunk, u64 logical, in chunk_err() argument
884 logical, &vaf); in chunk_err()
889 logical, &vaf); in chunk_err()
930 const struct btrfs_chunk *chunk, u64 logical, in btrfs_check_chunk_valid() argument
968 chunk_err(fs_info, leaf, chunk, logical, in btrfs_check_chunk_valid()
973 chunk_err(fs_info, leaf, chunk, logical, in btrfs_check_chunk_valid()
979 chunk_err(fs_info, leaf, chunk, logical, in btrfs_check_chunk_valid()
984 if (unlikely(!IS_ALIGNED(logical, sectorsize))) { in btrfs_check_chunk_valid()
985 chunk_err(fs_info, leaf, chunk, logical, in btrfs_check_chunk_valid()
987 logical, sectorsize); in btrfs_check_chunk_valid()
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H A Dvolumes.c3354 u64 logical, u64 length) in btrfs_find_chunk_map_nolock() argument
3367 if (logical < map->start) { in btrfs_find_chunk_map_nolock()
3369 } else if (logical >= map->start + map->chunk_len) { in btrfs_find_chunk_map_nolock()
3381 while (prev && logical >= prev_map->start + prev_map->chunk_len) { in btrfs_find_chunk_map_nolock()
3389 while (prev && logical < prev_map->start) { in btrfs_find_chunk_map_nolock()
3396 u64 end = logical + length; in btrfs_find_chunk_map_nolock()
3403 if (end < logical) in btrfs_find_chunk_map_nolock()
3407 logical < prev_map->start + prev_map->chunk_len) { in btrfs_find_chunk_map_nolock()
3417 u64 logical, u64 length) in btrfs_find_chunk_map() argument
3422 map = btrfs_find_chunk_map_nolock(fs_info, logical, length); in btrfs_find_chunk_map()
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/linux/drivers/md/dm-vdo/
H A Ddump.c163 wait_on, data_vio, data_vio->allocation.pbn, data_vio->logical.lbn, in dump_vio_waiters()
169 data_vio, data_vio->allocation.pbn, data_vio->logical.lbn, in dump_vio_waiters()
239 data_vio->allocation.pbn, data_vio->logical.lbn, in dump_data_vio()
244 data_vio->allocation.pbn, data_vio->logical.lbn); in dump_data_vio()
248 data_vio->logical.lbn); in dump_data_vio()
272 dump_vio_waiters(&data_vio->logical.waiters, "lbn"); in dump_data_vio()
/linux/Documentation/admin-guide/hw-vuln/
H A Dspecial-register-buffer-data-sampling.rst66 staging buffer before the secret data can be accessed by another logical
70 accesses from other logical processors will be delayed until the special
78 #. Executing RDRAND at the same time on multiple logical processors will be
83 logical processors that miss their core caches, with an impact similar to
88 Software Guard Extensions (Intel SGX) enclaves. On logical processors that
90 take longer to execute and do not impact performance of sibling logical
102 Setting IA32_MCU_OPT_CTRL[0] (RNGDS_MITG_DIS) to 1 for a logical processor
104 enclave on that logical processor. Opting out of the mitigation for a
105 particular logical processor does not affect the RDRAND and RDSEED mitigations
106 for other logical processors.
/linux/Documentation/ABI/stable/
H A Dsysfs-class-ubi38 Amount of available logical eraseblock. For example, one may
39 create a new UBI volume which has this amount of logical
70 Maximum logical eraseblock size this UBI device may provide. UBI
71 volumes may have smaller logical eraseblock size because of their
148 Volume alignment - the value the logical eraseblock size of
150 logical eraseblock size is multiple of 2048. In other words,
151 volume logical eraseblock size is UBI device logical eraseblock
192 Equivalent to the volume size in logical eraseblocks.
219 Logical eraseblock size of this volume. Equivalent to logical
/linux/Documentation/gpu/rfc/
H A Di915_scheduler.rst104 * Export engines logical mapping
109 Export engines logical mapping
111 Certain use cases require BBs to be placed on engine instances in logical order
112 (e.g. split-frame on gen11+). The logical mapping of engine instances can change
114 logical mapping with the existing query engine info IOCTL. Also the GuC
116 engines in logical order which is a new requirement compared to execlists.
117 Lastly, all current platforms have at most 2 engine instances and the logical
122 logical instance has been returned and a new field,
123 drm_i915_engine_info.logical_instance, returns the logical instance.
/linux/Documentation/userspace-api/
H A Disapnp.rst13 This directory allows access to ISA PnP cards and logical devices.
15 a logical device.
/linux/Documentation/filesystems/ext4/
H A Dabout.rst25 ext4 divides a storage device into an array of logical blocks both to
31 logical blocks, not raw LBAs, and not 1024-byte blocks. For the sake of
32 convenience, the logical block size will be referred to as
/linux/Documentation/userspace-api/media/mediactl/
H A Dmedia-controller-model.rst15 It can correspond to a large variety of logical blocks such as
16 physical hardware devices (CMOS sensor for instance), logical
38 entities form a single logical unit. For example this could represent the
/linux/Documentation/driver-api/pm/
H A Dcpuidle.rst16 Every time one of the logical CPUs in the system (the entities that appear to
21 belongs to. That can be done by making the idle logical CPU stop fetching
44 one of the logical CPUs in the system turns out to be idle. Its role is to
81 (logical) CPU represented by the struct cpuidle_device object pointed
99 Called to make the governor stop handling the (logical) CPU represented
113 Called to select an idle state for the processor holding the (logical)
168 the logical CPUs handled by the given driver.
211 representing the logical CPU running this callback and the
227 is, idle states that can only be asked for if multiple related logical CPUs are
230 asked for if only one logical CPU is idle).
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/linux/Documentation/driver-api/media/
H A Dcec-core.rst18 other through the HDMI connection. The protocol uses logical addresses in the
19 communication. The logical address is strictly connected with the functionality
66 the number of simultaneous logical addresses that this
136 means powering it up in a state where no logical addresses are claimed. The
171 To program a new logical address::
175 If logical_addr == CEC_LOG_ADDR_INVALID then all programmed logical addresses
176 are to be erased. Otherwise the given logical address should be programmed.
177 If the maximum number of available logical addresses is exceeded, then it
178 should return -ENXIO. Once a logical address is programmed the CEC hardware
409 The adapter is fully configured, i.e. all logical addresses have been
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/linux/Documentation/userspace-api/media/v4l/
H A Dformat.rst38 assigns a logical stream (video data, VBI data etc.) exclusively to one
47 multiple file descriptors which grabbed different logical streams
59 Generally only one logical stream can be assigned to a file descriptor,
62 earlier versions of V4L2. Switching the logical stream or returning into
/linux/Documentation/userspace-api/gpio/
H A Dgpio-handle-set-line-values-ioctl.rst39 The values set are logical, indicating if the line is to be active or inactive.
40 The ``GPIOHANDLE_REQUEST_ACTIVE_LOW`` flag controls the mapping between logical
H A Dgpio-v2-line-set-values-ioctl.rst38 The values set are logical, indicating if the line is to be active or inactive.
39 The ``GPIO_V2_LINE_FLAG_ACTIVE_LOW`` flag controls the mapping between logical
/linux/Documentation/userspace-api/media/cec/
H A Dcec-ioc-adap-g-phys-addr.rst55 If logical address types have been defined (see :ref:`ioctl CEC_ADAP_S_LOG_ADDRS <CEC_ADAP_S_LOG_AD…
57 requested logical addresses have been claimed. If the file descriptor is in non-blocking mode
58 then it will not wait for the logical addresses to be claimed, instead it just returns 0.

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