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/linux/drivers/gpu/drm/ttm/tests/
H A Dttm_pool_test.c52 enum ttm_caching caching, in ttm_tt_kunit_init() argument
67 err = ttm_tt_init(tt, priv->mock_bo, page_flags, caching, 0); in ttm_tt_kunit_init()
75 enum ttm_caching caching) in ttm_pool_pre_populated() argument
83 tt = ttm_tt_kunit_init(test, 0, caching, size); in ttm_pool_pre_populated()
142 enum ttm_caching caching = ttm_uncached; in ttm_pool_alloc_basic() local
147 tt = ttm_tt_kunit_init(test, 0, caching, size); in ttm_pool_alloc_basic()
204 enum ttm_caching caching = ttm_uncached; in ttm_pool_alloc_basic_dma_addr() local
215 err = ttm_sg_tt_init(tt, bo, 0, caching); in ttm_pool_alloc_basic_dma_addr()
243 enum ttm_caching caching = ttm_uncached; in ttm_pool_alloc_order_caching_match() local
248 pool = ttm_pool_pre_populated(test, size, caching); in ttm_pool_alloc_order_caching_match()
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H A Dttm_tt_test.c45 enum ttm_caching caching = ttm_cached; in ttm_tt_init_basic() local
55 err = ttm_tt_init(tt, bo, page_flags, caching, extra_pages); in ttm_tt_init_basic()
61 KUNIT_ASSERT_EQ(test, tt->caching, caching); in ttm_tt_init_basic()
71 enum ttm_caching caching = ttm_cached; in ttm_tt_init_misaligned() local
84 err = ttm_tt_init(tt, bo, 0, caching, 0); in ttm_tt_init_misaligned()
94 enum ttm_caching caching = ttm_cached; in ttm_tt_fini_basic() local
102 err = ttm_tt_init(tt, bo, 0, caching, 0); in ttm_tt_fini_basic()
114 enum ttm_caching caching = ttm_cached; in ttm_tt_fini_sg() local
122 err = ttm_sg_tt_init(tt, bo, 0, caching); in ttm_tt_fini_sg()
135 enum ttm_caching caching = ttm_cached; in ttm_tt_fini_shmem() local
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/linux/fs/netfs/
H A DKconfig8 segmentation, local caching and transparent huge page support.
11 bool "Gather statistical information on local caching"
15 caching and exported through file:
29 This permits debugging to be dynamically enabled in the local caching
34 bool "General filesystem local caching manager"
37 This option enables a generic filesystem caching manager that can be
42 See Documentation/filesystems/caching/fscache.rst for more information.
45 bool "Gather statistical information on local caching"
50 caching and exported through file:
60 See Documentation/filesystems/caching/fscache.rst for more information.
H A Dread_single.c32 bool caching = fscache_cookie_enabled(netfs_i_cookie(netfs_inode(inode))); in netfs_single_mark_inode_dirty() local
34 if (cache_only && !caching) in netfs_single_mark_inode_dirty()
39 if (caching && !(inode->i_state & I_PINNING_NETFS_WB)) { in netfs_single_mark_inode_dirty()
163 * This is usable whether or not caching is enabled. If caching is enabled,
/linux/fs/fuse/
H A Diomode.c16 * Return true if need to wait for new opens in caching mode.
184 /* First passthrough file open denies caching inode io mode */ in fuse_file_passthrough_open()
224 * First passthrough file open denies caching inode io mode. in fuse_file_io_open()
225 * First caching file open enters caching inode io mode. in fuse_file_io_open()
229 * so we put the inode in caching mode to prevent parallel dio. in fuse_file_io_open()
261 * Last passthrough file close allows caching inode io mode. in fuse_file_io_release()
262 * Last caching file close exits caching inode io mode. in fuse_file_io_release()
/linux/Documentation/admin-guide/
H A Dbcache.rst23 Both writethrough and writeback caching are supported. Writeback defaults to
29 Writeback caching can use most of the cache for buffering writes - writing
34 to caching large sequential IO. Bcache detects sequential IO and skips it;
37 caching the first 512k after every seek. Backups and large file copies should
42 or dirty data), caching is automatically disabled; if dirty data was present
43 in the cache it first disables writeback caching and waits for all dirty data
74 a caching device later.
102 must be attached to your cache set to enable caching. Attaching a backing
111 important if you have writeback caching turned on.
154 A) Starting a bcache with a missing caching device
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/linux/drivers/gpu/drm/nouveau/
H A Dnouveau_sgdma.c73 enum ttm_caching caching; in nouveau_sgdma_create_ttm() local
76 caching = ttm_uncached; in nouveau_sgdma_create_ttm()
78 caching = ttm_write_combined; in nouveau_sgdma_create_ttm()
80 caching = ttm_cached; in nouveau_sgdma_create_ttm()
86 if (ttm_sg_tt_init(&nvbe->ttm, bo, page_flags, caching)) { in nouveau_sgdma_create_ttm()
/linux/drivers/gpu/drm/ttm/
H A Dttm_module.c57 * @caching: The ttm caching mode
62 pgprot_t ttm_prot_from_caching(enum ttm_caching caching, pgprot_t tmp) in ttm_prot_from_caching() argument
65 if (caching == ttm_cached) in ttm_prot_from_caching()
69 if (caching == ttm_write_combined) in ttm_prot_from_caching()
78 if (caching == ttm_write_combined) in ttm_prot_from_caching()
H A Dttm_bo_util.c293 * setting up a PTE with the caching model indicated by @c_state.
299 enum ttm_caching caching; in ttm_io_prot() local
303 caching = bo->ttm->caching; in ttm_io_prot()
307 caching = res->bus.caching; in ttm_io_prot()
310 return ttm_prot_from_caching(caching, tmp); in ttm_io_prot()
328 if (mem->bus.caching == ttm_write_combined) in ttm_bo_ioremap()
331 else if (mem->bus.caching == ttm_cached) in ttm_bo_ioremap()
362 if (num_pages == 1 && ttm->caching == ttm_cached && in ttm_bo_kmap_ttm()
516 else if (mem->bus.caching == ttm_write_combined) in ttm_bo_vmap()
520 else if (mem->bus.caching == ttm_cached) in ttm_bo_vmap()
/linux/fs/9p/
H A Dv9fs.h49 * @CACHE_SC_READAHEAD: only provide caching for readahead
50 * @CACHE_SC_MMAP: provide caching to enable mmap
51 * @CACHE_SC_LOOSE: non-coherent caching for files and meta data
52 * @CACHE_SC_FSCACHE: persistent non-coherent caching for files and meta-data
67 * @CACHE_FILE: file caching (open to close)
68 * @CACHE_META: meta-data and directory caching
69 * @CACHE_WRITEBACK: write-back caching for files
H A DKconfig16 bool "Enable 9P client caching support"
20 caching support for 9p clients using FS-Cache
/linux/include/drm/ttm/
H A Dttm_tt.h44 * struct ttm_tt - This is a structure holding the pages, caching- and aperture
123 * @caching: The current caching state of the pages, see enum
126 enum ttm_caching caching; member
199 * @caching: the desired caching state of the pages
208 uint32_t page_flags, enum ttm_caching caching,
211 uint32_t page_flags, enum ttm_caching caching);
H A Dttm_caching.h33 * enum ttm_caching - CPU caching and BUS snooping behavior.
55 pgprot_t ttm_prot_from_caching(enum ttm_caching caching, pgprot_t tmp);
/linux/fs/cachefiles/
H A DKconfig4 tristate "Filesystem caching on files"
11 See Documentation/filesystems/caching/cachefiles.rst for more
19 caching on files module. If this is set, the debugging output may be
H A Dmain.c2 /* Network filesystem caching backend to use cache files on a premounted
43 * initialise the fs caching module
/linux/Documentation/filesystems/caching/
H A Dnetfs-api.rst4 Network Filesystem Caching API
8 caching facilities. The API is arranged around a number of principles:
38 (10) Caching of local modifications
373 Caching of Local Modifications
382 Firstly, the netfs should determine if caching is available by doing something
385 bool caching = fscache_cookie_enabled(cookie);
387 If caching is to be attempted, pages should be waited for and then marked using
402 bool caching)
409 bool caching)
415 caching parameter indicates if caching should be skipped, and if false, the
/linux/fs/squashfs/
H A DKconfig153 bool "Enable full caching of compressed blocks"
157 This option enables caching of all compressed blocks, Without caching,
162 With caching: IOPS=2223, BW=278MiB/s (291MB/s)
163 Without caching: IOPS=815, BW=102MiB/s (107MB/s)
166 caching all compressed blocks in the page cache, reducing disk I/O for
/linux/fs/ocfs2/
H A Duptodate.h14 * The caching code relies on locking provided by the user of
21 * that caching log messages can identify the owning structure.
28 * Lock and unlock the caching data. These will not sleep, and
/linux/arch/powerpc/include/asm/nohash/32/
H A Dmmu-44x.h40 #define PPC44x_TLB_W 0x00000800 /* Caching is write-through */
41 #define PPC44x_TLB_I 0x00000400 /* Caching is inhibited */
86 #define PPC47x_TLB2_W 0x00000800 /* Caching is write-through */
87 #define PPC47x_TLB2_I 0x00000400 /* Caching is inhibited */
/linux/drivers/acpi/
H A Dacpi_memhotplug.c49 unsigned short caching; /* memory cache attribute */ member
75 if ((info->caching == address64.info.mem.caching) && in acpi_memory_get_resource()
88 new->caching = address64.info.mem.caching; in acpi_memory_get_resource()
/linux/fs/ceph/
H A DKconfig24 bool "Enable Ceph client caching support"
28 caching support for Ceph clients using FS-Cache
/linux/drivers/s390/char/
H A Dhmcdrv_cache.c26 * @len: size of @content cache (0 if caching disabled)
137 pr_debug("caching %zd bytes content for '%s'\n", in hmcdrv_cache_do()
160 pr_debug("caching cmd %d, file size %zu for '%s'\n", in hmcdrv_cache_do()
218 if (cachesize > 0) { /* perform caching ? */ in hmcdrv_cache_startup()
/linux/drivers/mfd/
H A Drc5t583.c186 /* Enable caching in interrupt registers */ in volatile_reg()
205 /* Enable caching in gpio registers */ in volatile_reg()
210 /* Enable caching in sleep seq registers */ in volatile_reg()
214 /* Enable caching of regulator registers */ in volatile_reg()
/linux/drivers/base/firmware_loader/
H A Dfirmware.h23 * @FW_OPT_NOCACHE: Disables firmware caching. Firmware caching is used to
27 * firmware caching mechanism.
/linux/Documentation/ABI/testing/
H A Dsysfs-block-bcache63 For backing devices: When on, writeback caching is enabled and
64 writes will be buffered in the cache. When off, caching is in
107 writeback caching enabled.

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