| /linux-6.15/drivers/md/dm-vdo/ |
| H A D | packer.c | 326 data_vio->compression.bin = bin; in add_to_bin()
345 data_vio->compression.bin = NULL; in remove_from_bin()
437 compression = &agent->compression; in write_bin()
438 compression->slot = 0; in write_bin()
439 block = compression->block; in write_bin()
441 offset = compression->size; in write_bin()
546 if (data_vio->compression.size >= in select_bin()
672 bin = lock_holder->compression.bin; in vdo_remove_lock_holder_from_packer()
675 slot = lock_holder->compression.slot; in vdo_remove_lock_holder_from_packer()
682 lock_holder->compression.bin = NULL; in vdo_remove_lock_holder_from_packer()
[all …]
|
| H A D | Kconfig | 4 tristate "VDO: deduplication and compression target"
13 deduplication, compression and thin-provisioning.
|
| /linux-6.15/net/6lowpan/ |
| H A D | Kconfig | 22 Support for next header and generic header compression defined in
31 6LoWPAN IPv6 Destination Options Header compression according to
38 6LoWPAN IPv6 Fragment Header compression according to RFC6282.
44 6LoWPAN IPv6 Hop-by-Hop Options Header compression according to
51 6LoWPAN IPv6 Header compression according to RFC6282.
57 6LoWPAN IPv6 Mobility Header compression according to RFC6282.
63 6LoWPAN IPv6 Routing Header compression according to RFC6282.
69 6LoWPAN IPv6 UDP Header compression according to RFC6282.
80 6LoWPAN IPv6 UDP generic header compression according to RFC7400.
96 6LoWPAN IPv6 fragmentation option generic header compression
[all …]
|
| /linux-6.15/drivers/media/usb/pwc/ |
| H A D | pwc-ctrl.c | 210 *compression = 3; in set_video_mode_Nala()
217 int frames, int *compression, int send_to_cam) in set_video_mode_Timon() argument
222 if (size >= PSZ_MAX || *compression < 0 || *compression > 3) in set_video_mode_Timon()
237 (*compression)++; in set_video_mode_Timon()
238 } while (*compression <= 3); in set_video_mode_Timon()
273 if (size >= PSZ_MAX || *compression < 0 || *compression > 3) in set_video_mode_Kiara()
288 (*compression)++; in set_video_mode_Kiara()
289 } while (*compression <= 3); in set_video_mode_Kiara()
331 compression, send_to_cam); in pwc_set_video_mode()
334 compression, send_to_cam); in pwc_set_video_mode()
[all …]
|
| /linux-6.15/arch/powerpc/boot/ |
| H A D | wrapper | 47 compression=.gz
145 compression=.gz
153 compression=".$1"
157 compression=
167 compression=
293 compression=
324 compression=
397 case $compression in
412 compression=
418 mv -f "$vmz.$$$compression" "$vmz$compression"
[all …]
|
| /linux-6.15/drivers/block/zram/ |
| H A D | Kconfig | 9 itself. These disks allow very fast I/O and compression provides
18 bool "lz4 compression support"
24 bool "lz4hc compression support"
30 bool "zstd compression support"
36 bool "deflate compression support"
42 bool "842 compression support"
54 bool "lzo and lzo-rle compression support" if !ZRAM_BACKEND_FORCE_LZO
141 bool "Enable multiple compression streams"
144 This will enable multi-compression streams, so that ZRAM can
146 compression algorithm. Note, that IDLE page recompression
|
| /linux-6.15/fs/squashfs/ |
| H A D | Kconfig | 8 filesystem for Linux. It uses zlib, lz4, lzo, xz or zstd compression
91 If in doubt, select "Single threaded compression"
94 bool "Single threaded compression"
158 ZLIB compression is the standard compression used by Squashfs
159 file systems. It offers a good trade-off between compression
171 compressed with LZ4 compression. LZ4 compression is mainly
186 compressed with LZO compression. LZO compression is mainly
201 compressed with XZ compression. XZ gives better compression than
202 the default zlib compression, at the expense of greater CPU and
216 compressed with ZSTD compression. ZSTD gives better compression than
[all …]
|
| /linux-6.15/fs/jffs2/ |
| H A D | Kconfig | 9 levelling, compression and support for hard links. You cannot use
101 bool "Advanced compression options for JFFS2"
106 compression modules, if any, are enabled in JFFS2. Removing
114 bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
128 bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
134 minilzo-based compression. Generally works better than Zlib.
154 prompt "JFFS2 default compression mode"
159 You can set here the default compression mode of JFFS2 from
160 the available compression modes. Don't touch if unsure.
163 bool "no compression"
[all …]
|
| /linux-6.15/Documentation/admin-guide/blockdev/ |
| H A D | zram.rst | 76 2) Select compression algorithm
82 there is no way to change compression algorithm).
86 #show supported compression algorithms
90 #select lzo compression algorithm
96 3) Set compression algorithm parameters: Optional
125 the value the lower the compression ratio).
218 algorithm_params WO setup compression algorithm parameters
425 compression algorithm can provide better compression ratio at a price of
426 (potentially) slower compression/decompression speeds. Alternative compression
487 During re-compression for every page, that matches re-compression criteria,
[all …]
|
| /linux-6.15/Documentation/userspace-api/media/drivers/ |
| H A D | aspeed-video.rst | 9 video compressions with a wide range of video quality and compression ratio
14 * JPEG JFIF standard mode: for single frame and management compression
15 * ASPEED proprietary mode: for multi-frame and differential compression.
16 Support 2-pass (high quality) video compression scheme (Patent pending by
17 ASPEED). Provide visually lossless video compression quality or to reduce
48 that can be used to decide compression quality if High quality mode enabled
|
| /linux-6.15/drivers/crypto/intel/qat/ |
| H A D | Kconfig | 24 for accelerating crypto and compression workloads.
35 for accelerating crypto and compression workloads.
46 for accelerating crypto and compression workloads.
57 for accelerating crypto and compression workloads.
68 for accelerating crypto and compression workloads.
81 Virtual Function for accelerating crypto and compression workloads.
93 Virtual Function for accelerating crypto and compression workloads.
105 Virtual Function for accelerating crypto and compression workloads.
|
| /linux-6.15/usr/ |
| H A D | Kconfig | 112 prompt "Built-in initramfs compression mode"
116 initramfs will be compressed. Several compression algorithms are
117 available, which differ in efficiency, compression and
125 High compression options are mostly useful for users who are
130 compression tool to compress the generated initram cpio file for
139 Use the old and well tested gzip compression algorithm. Gzip provides
140 a good balance between compression ratio and decompression speed and
141 has a reasonable compression speed. It is also more likely to be
188 Its compression ratio is the second poorest amongst the choices. The
190 decompression speed is the second fastest and its compression speed
[all …]
|
| /linux-6.15/fs/bcachefs/ |
| H A D | compress.c | 339 struct bch_compression_opt compression) in attempt_compress() argument
342 __bch2_compression_opt_to_type[compression.type]; in attempt_compress()
346 if (compression.level < LZ4HC_MIN_CLEVEL) { in attempt_compress()
360 compression.level, in attempt_compress()
375 compression.level in attempt_compress()
376 ? clamp_t(unsigned, compression.level, in attempt_compress()
429 struct bch_compression_opt compression) in __bio_compress() argument
434 __bch2_compression_opt_to_type[compression.type]; in __bio_compress()
439 BUG_ON(compression.type >= BCH_COMPRESSION_OPT_NR); in __bio_compress()
445 bch2_compression_opts[compression.type])) { in __bio_compress()
[all …]
|
| /linux-6.15/fs/f2fs/ |
| H A D | Kconfig | 96 bool "F2FS compression feature"
99 Enable filesystem-level compression on f2fs regular files,
100 multiple back-end compression algorithms are supported.
103 bool "LZO compression support"
110 bool "LZO-RLE compression support"
117 bool "LZ4 compression support"
124 bool "LZ4HC compression support"
132 bool "ZSTD compression support"
|
| /linux-6.15/drivers/net/ppp/ |
| H A D | Kconfig | 39 tristate "PPP BSD-Compress compression"
42 Support for the BSD-Compress compression method for PPP, which uses
43 the LZW compression method to compress each PPP packet before it is
45 (usually your ISP) has to support the BSD-Compress compression
49 The PPP Deflate compression method ("PPP Deflate compression",
53 Note that the BSD compression code will always be compiled as a
58 tristate "PPP Deflate compression"
63 Support for the Deflate compression method for PPP, which uses the
67 Deflate compression method as well for this to be useful. Even if
86 tristate "PPP MPPE compression (encryption)"
|
| /linux-6.15/Documentation/staging/ |
| H A D | xz.rst | 4 XZ data compression in Linux
10 XZ is a general purpose data compression format with high compression
19 For userspace, `XZ Utils`_ provide a zlib-like compression library
50 Notes on compression options
81 For the best compression, the dictionary should be at least
85 The compression presets in XZ Utils may not be optimal when creating
|
| /linux-6.15/drivers/net/ethernet/asix/ |
| H A D | Kconfig | 23 bool "SPI transfer compression"
27 Say Y here to enable SPI transfer compression. It saves up
31 changed at run time via spi-compression ethtool tunable.
|
| /linux-6.15/arch/mips/generic/ |
| H A D | board-jaguar2.its.S | 9 compression = "none"; define
19 compression = "none"; define
|
| H A D | board-ocelot.its.S | 9 compression = "none"; define
20 compression = "none"; define
|
| /linux-6.15/fs/ubifs/ |
| H A D | Kconfig | 23 bool "Advanced compression options"
32 bool "LZO compression support" if UBIFS_FS_ADVANCED_COMPR
39 bool "ZLIB compression support" if UBIFS_FS_ADVANCED_COMPR
45 bool "ZSTD compression support" if UBIFS_FS_ADVANCED_COMPR
50 in compression ratio over LZO. Say 'Y' if unsure.
|
| /linux-6.15/Documentation/admin-guide/media/ |
| H A D | philips.rst | 95 compression (only useful with the plugin)
96 With this option you can control the compression factor that the camera
102 compression.
103 1 = low compression.
104 2 = medium compression.
105 3 = high compression.
107 High compression takes less bandwidth of course, but it could also
108 introduce some unwanted artefacts. The default is 2, medium compression.
110 compression.
112 The compression parameter does not apply to the 645 and 646 cameras
[all …]
|
| /linux-6.15/fs/erofs/ |
| H A D | Kconfig | 16 It also provides transparent compression and deduplication support to
17 improve storage density and maintain relatively high compression
100 Enable transparent compression support for EROFS file systems.
102 If you don't want to enable compression feature, say N.
112 gives better compression ratios than the default LZ4 format, at the
123 containing DEFLATE compressed data. It gives better compression
138 containing Zstandard compressed data. It gives better compression
|
| /linux-6.15/drivers/crypto/nx/ |
| H A D | Kconfig | 21 Support for PowerPC Nest (NX) compression acceleration. This
35 Support for PowerPC Nest (NX) compression acceleration. This
46 Support for PowerPC Nest (NX) compression acceleration. This
|
| /linux-6.15/drivers/crypto/intel/iaa/ |
| H A D | Kconfig | 7 This driver supports acceleration for compression and
17 Enable statistics for the IAA compression accelerator.
|
| /linux-6.15/Documentation/ABI/testing/ |
| H A D | sysfs-block-zram | 30 available and selected compression algorithms, change
31 compression algorithm selection.
138 or show secondary compression algorithms.
144 The recompress file is write-only and triggers re-compression
145 with secondary compression algorithms.
152 compression algorithm parameters.
|