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/linux-6.6.21/tools/testing/selftests/openat2/
Dresolve_test.c113 struct open_how how; member
139 .path = "/", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
142 .path = "cheeky/absself", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
145 .path = "abscheeky/absself", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
148 .path = "..", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
151 .path = "../root/", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
154 .path = "cheeky/self", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
157 .path = "abscheeky/self", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
160 .path = "cheeky/garbageself", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
163 .path = "abscheeky/garbageself", .how.resolve = RESOLVE_BENEATH, in test_openat2_opath_tests()
[all …]
Dopenat2_test.c158 struct open_how how; member
169 .how.flags = O_TMPFILE | O_PATH | O_RDWR, .err = -EINVAL }, in test_openat2_flags()
171 .how.flags = O_TMPFILE | O_CREAT | O_RDWR, .err = -EINVAL }, in test_openat2_flags()
175 .how.flags = O_PATH | O_CLOEXEC }, in test_openat2_flags()
177 .how.flags = O_PATH | O_DIRECTORY }, in test_openat2_flags()
179 .how.flags = O_PATH | O_NOFOLLOW }, in test_openat2_flags()
182 .how.flags = O_PATH | O_RDWR, .err = -EINVAL }, in test_openat2_flags()
184 .how.flags = O_PATH | O_CREAT, .err = -EINVAL }, in test_openat2_flags()
186 .how.flags = O_PATH | O_EXCL, .err = -EINVAL }, in test_openat2_flags()
188 .how.flags = O_PATH | O_NOCTTY, .err = -EINVAL }, in test_openat2_flags()
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Dhelpers.c17 bool needs_openat2(const struct open_how *how) in needs_openat2() argument
19 return how->resolve != 0; in needs_openat2()
22 int raw_openat2(int dfd, const char *path, void *how, size_t size) in raw_openat2() argument
24 int ret = syscall(__NR_openat2, dfd, path, how, size); in raw_openat2()
28 int sys_openat2(int dfd, const char *path, struct open_how *how) in sys_openat2() argument
30 return raw_openat2(dfd, path, how, sizeof(*how)); in sys_openat2()
33 int sys_openat(int dfd, const char *path, struct open_how *how) in sys_openat() argument
35 int ret = openat(dfd, path, how->flags, how->mode); in sys_openat()
98 struct open_how how = {}; in init() local
104 fd = sys_openat2(AT_FDCWD, ".", &how); in init()
Dhelpers.h48 bool needs_openat2(const struct open_how *how);
96 int raw_openat2(int dfd, const char *path, void *how, size_t size);
97 int sys_openat2(int dfd, const char *path, struct open_how *how);
98 int sys_openat(int dfd, const char *path, struct open_how *how);
Drename_attack_test.c91 struct open_how how = { in test_rename_attack() local
97 how.resolve = 0; in test_rename_attack()
113 fd = sys_openat2(afd, victim_path, &how); in test_rename_attack()
115 fd = sys_openat(afd, victim_path, &how); in test_rename_attack()
/linux-6.6.21/fs/autofs/
Dexpire.c12 unsigned long timeout, unsigned int how) in autofs_can_expire() argument
20 if (!(how & AUTOFS_EXP_IMMEDIATE)) { in autofs_can_expire()
30 struct dentry *dentry, unsigned int how) in autofs_mount_busy() argument
52 if (how & AUTOFS_EXP_FORCED) { in autofs_mount_busy()
153 unsigned int how) in autofs_direct_busy() argument
158 if (how & AUTOFS_EXP_FORCED) in autofs_direct_busy()
172 if (!autofs_can_expire(top, timeout, how)) in autofs_direct_busy()
185 unsigned int how) in autofs_tree_busy() argument
207 if (autofs_mount_busy(mnt, p, how)) { in autofs_tree_busy()
231 if (how & AUTOFS_EXP_FORCED) in autofs_tree_busy()
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/linux-6.6.21/io_uring/
Dopenclose.c24 struct open_how how; member
42 return open->how.flags & (O_TRUNC | O_CREAT | __O_TMPFILE); in io_openat_force_async()
57 if (!(open->how.flags & O_PATH) && force_o_largefile()) in __io_openat_prep()
58 open->how.flags |= O_LARGEFILE; in __io_openat_prep()
70 if (open->file_slot && (open->how.flags & O_CLOEXEC)) in __io_openat_prep()
86 open->how = build_open_how(flags, mode); in io_openat_prep()
93 struct open_how __user *how; in io_openat2_prep() local
97 how = u64_to_user_ptr(READ_ONCE(sqe->addr2)); in io_openat2_prep()
102 ret = copy_struct_from_user(&open->how, sizeof(open->how), how, len); in io_openat2_prep()
118 ret = build_open_flags(&open->how, &op); in io_openat2()
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/linux-6.6.21/Documentation/ABI/testing/
Dsysfs-kernel-mm-ksm19 full_scans: how many times all mergeable areas have been
22 pages_shared: how many shared pages are being used.
24 pages_sharing: how many more sites are sharing them i.e. how
27 pages_to_scan: how many present pages to scan before ksmd goes
30 pages_unshared: how many pages unique but repeatedly checked
33 pages_volatile: how many pages changing too fast to be placed
41 sleep_millisecs: how many milliseconds ksm should sleep between
59 Description: Measure how effective KSM is.
60 general_profit: how effective is KSM. The formula for the
Dsysfs-kernel-slab19 The aliases file is read-only and specifies how many caches
48 The alloc_fastpath file shows how many objects have been
59 The alloc_from_partial file shows how many times a cpu slab has
71 The alloc_refill file shows how many times the per-cpu freelist
82 The alloc_slab file is shows how many times a new slab had to
93 The alloc_slowpath file shows how many objects have been
115 The cpu_slabs file is read-only and displays how many cpu slabs
124 The file cpuslab_flush shows how many times a cache's cpu slabs
147 The deactivate_empty file shows how many times an empty cpu slab
157 The deactivate_full file shows how many times a full cpu slab
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/linux-6.6.21/fs/
Dopen.c1205 struct open_how how = { in build_open_how() local
1211 if (how.flags & O_PATH) in build_open_how()
1212 how.flags &= O_PATH_FLAGS; in build_open_how()
1214 if (!WILL_CREATE(how.flags)) in build_open_how()
1215 how.mode = 0; in build_open_how()
1216 return how; in build_open_how()
1219 inline int build_open_flags(const struct open_how *how, struct open_flags *op) in build_open_flags() argument
1221 u64 flags = how->flags; in build_open_flags()
1243 if (how->resolve & ~VALID_RESOLVE_FLAGS) in build_open_flags()
1247 if ((how->resolve & RESOLVE_BENEATH) && (how->resolve & RESOLVE_IN_ROOT)) in build_open_flags()
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/linux-6.6.21/tools/perf/util/
Dordered-events.c267 static int __ordered_events__flush(struct ordered_events *oe, enum oe_flush how, in __ordered_events__flush() argument
284 switch (how) { in __ordered_events__flush()
321 str[how], oe->nr_events); in __ordered_events__flush()
327 if (how == OE_FLUSH__ROUND) in __ordered_events__flush()
330 oe->last_flush_type = how; in __ordered_events__flush()
334 str[how], oe->nr_events); in __ordered_events__flush()
340 int ordered_events__flush(struct ordered_events *oe, enum oe_flush how) in ordered_events__flush() argument
342 return __ordered_events__flush(oe, how, 0); in ordered_events__flush()
/linux-6.6.21/security/smack/
DKconfig14 If you are unsure how to answer this question, answer N.
32 If you are unsure how to answer this question, answer N.
43 If you are unsure how to answer this question, answer N.
55 If you are unsure how to answer this question, answer N.
/linux-6.6.21/arch/alpha/kernel/
Dprocess.c78 struct halt_info *how = generic_ptr; in common_shutdown_1() local
106 if (how->mode == LINUX_REBOOT_CMD_RESTART) { in common_shutdown_1()
107 if (!how->restart_cmd) { in common_shutdown_1()
150 alpha_mv.kill_arch(how->mode); in common_shutdown_1()
152 if (! alpha_using_srm && how->mode != LINUX_REBOOT_CMD_RESTART) { in common_shutdown_1()
/linux-6.6.21/Documentation/admin-guide/mm/
Dksm.rst80 how many pages to scan before ksmd goes to sleep
86 how many milliseconds ksmd should sleep before next scan
99 sharing of setting 1 (default). You may wish to compare how
151 specifies how frequently KSM checks the metadata of the pages
161 how effective is KSM. The calculation is explained below.
163 how many pages are being scanned for ksm
165 how many shared pages are being used
167 how many more sites are sharing them i.e. how much saved
169 how many pages unique but repeatedly checked for merging
171 how many pages changing too fast to be placed in a tree
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/linux-6.6.21/tools/testing/selftests/arm64/bti/
Dsignal.c34 int sigprocmask(int how, const sigset_t *mask, sigset_t *old) in sigprocmask() argument
36 return syscall(__NR_rt_sigprocmask, how, mask, old, sizeof(*mask)); in sigprocmask()
/linux-6.6.21/Documentation/firmware-guide/acpi/
Dextcon-intel-int3496.rst9 This ACPI device describes how the OS can read the id-pin of the devices'
10 USB-otg port, as well as how it optionally can enable Vbus output on the
11 otg port and how it can optionally control the muxing of the data pins
/linux-6.6.21/Documentation/bpf/
Dmap_array.rst106 This snippet shows how to declare an array in a BPF program.
118 This example BPF program shows how to access an array element.
145 This snippet shows how to create an array, using ``bpf_map_create_opts`` to
167 This snippet shows how to initialize the elements of an array.
187 This snippet shows how to retrieve an element value from an array.
210 This snippet shows how to initialize the elements of a per CPU array.
232 This snippet shows how to access the per CPU elements of an array value.
/linux-6.6.21/Documentation/powerpc/
Dvmemmap_dedup.rst22 Here's how things look like on device-dax after the sections are populated::
50 Here's how things look like on device-dax after the sections are populated::
79 Here's how things look like on device-dax after the sections are populated::
/linux-6.6.21/Documentation/driver-api/dmaengine/
Dindex.rst22 This book is a guide to device driver writers on how to use the Slave-DMA
33 This book introduces how to test DMA drivers using dmatest module.
/linux-6.6.21/drivers/accessibility/speakup/
Dvarhandlers.c182 int spk_set_num_var(int input, struct st_var_header *var, int how) in spk_set_num_var() argument
194 switch (how) { in spk_set_num_var()
284 int spk_set_mask_bits(const char *input, const int which, const int how) in spk_set_mask_bits() argument
289 if (how & 1) { in spk_set_mask_bits()
311 if (how & 2) { in spk_set_mask_bits()
/linux-6.6.21/Documentation/devicetree/bindings/soc/qcom/
Dqcom,rpm-master-stats.yaml21 our device has entered the desired low-power mode, how long it took to do so,
22 the duration of that residence, how long it took to come back online,
23 how many times a given sleep state was entered and which cores are actively
/linux-6.6.21/drivers/net/ethernet/intel/
DKconfig47 adapters. For more information on how to identify your adapter, go
66 use the regular e1000 driver For more information on how to
95 adapters. For more information on how to identify your adapter, go
131 information on how to identify your adapter, go to the Adapter &
150 adapters. For more information on how to identify your adapter, go
202 Intel(R) ixgbe driver. For more information on how to identify your
230 devices. For more information on how to identify your adapter, go
263 information on how to identify your adapter, go to the Adapter
289 devices. For more information on how to identify your adapter, go
331 Interface. For more information on how to identify your adapter,
[all …]
/linux-6.6.21/Documentation/userspace-api/media/v4l/
Dvidioc-subdev-enum-mbus-code.rst119 See :ref:`v4l2-mbus-format` on how to do this.
126 See :ref:`v4l2-mbus-format` on how to do this.
133 See :ref:`v4l2-mbus-format` on how to do this.
140 See :ref:`v4l2-mbus-format` on how to do this.
147 See :ref:`v4l2-mbus-format` on how to do this.
/linux-6.6.21/arch/sh/kernel/
Dsh_bios.c60 void sh_bios_shutdown(unsigned int how) in sh_bios_shutdown() argument
62 sh_bios_call(BIOS_CALL_SHUTDOWN, how, 0, 0, 0); in sh_bios_shutdown()
/linux-6.6.21/fs/nfs/
Dwrite.c1399 static int flush_task_priority(int how) in flush_task_priority() argument
1401 switch (how & (FLUSH_HIGHPRI|FLUSH_LOWPRI)) { in flush_task_priority()
1413 struct rpc_task_setup *task_setup_data, int how) in nfs_initiate_write() argument
1415 int priority = flush_task_priority(how); in nfs_initiate_write()
1688 int how, int flags) in nfs_initiate_commit() argument
1691 int priority = flush_task_priority(how); in nfs_initiate_commit()
1720 if (how & FLUSH_SYNC) in nfs_initiate_commit()
1812 nfs_commit_list(struct inode *inode, struct list_head *head, int how, in nfs_commit_list() argument
1833 data->mds_ops, how, in nfs_commit_list()
1926 int how, struct nfs_commit_info *cinfo) in nfs_generic_commit_list() argument
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