Lines Matching +full:cache +full:- +full:block +full:- +full:size

1 # SPDX-License-Identifier: GPL-2.0-only
3 	tristate "SquashFS 4.0 - Squashed file system support"
4 	depends on BLOCK
7 	  Read-Only File System).  Squashfs is a highly compressed read-only
11 	  Block sizes greater than 4K are supported up to a maximum of 1 Mbytes
12 	  (default block size 128K).  SquashFS 4.0 supports 64 bit filesystems
16 	  Squashfs is intended for general read-only filesystem use, for
19 	  and tools are available from github.com/plougher/squashfs-tools.
35 	  intermediate buffer and then memcopied it into the page cache.
37 	  the page cache.
45 	  memcopy it into the page cache.
48 	bool "Decompress files directly into the page cache"
50 	  Directly decompress file data into the page cache.
88 	  decompression.  Each one exhibits various trade-offs between
97 	  Traditionally Squashfs has used single-threaded decompression.
98 	  Only one block (data or metadata) can be decompressed at any
126 	  decompression is load-balanced across the cores.
159 	  file systems.  It offers a good trade-off between compression
225 	bool "Use 4K device block size?"
228 	  By default Squashfs sets the dev block size (sb_min_blocksize)
229 	  to 1K or the smallest block size supported by the block device
234 	  the optimal I/O size is 4K (even though the devices can support
235 	  smaller block sizes).
237 	  Using a 4K device block size may also improve overall I/O
241 	  Setting this option will force Squashfs to use a 4K device block
242 	  size by default.
247 	bool "Additional option for memory-constrained systems"
250 	  Saying Y here allows you to specify cache size.
261 	  has to re-read fragments less often from disk, at the expense