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Searched refs:pread (Results 1 – 25 of 41) sorted by relevance

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/Linux-v6.6/drivers/media/dvb-core/
Ddvb_ringbuffer.c40 rbuf->pread=rbuf->pwrite=0; in dvb_ringbuffer_init()
60 return (rbuf->pread == smp_load_acquire(&rbuf->pwrite)); in dvb_ringbuffer_empty()
74 free = READ_ONCE(rbuf->pread) - rbuf->pwrite; in dvb_ringbuffer_free()
90 avail = smp_load_acquire(&rbuf->pwrite) - rbuf->pread; in dvb_ringbuffer_avail()
106 smp_store_release(&rbuf->pread, smp_load_acquire(&rbuf->pwrite)); in dvb_ringbuffer_flush()
116 smp_store_release(&rbuf->pread, 0); in dvb_ringbuffer_reset()
138 split = (rbuf->pread + len > rbuf->size) ? rbuf->size - rbuf->pread : 0; in dvb_ringbuffer_read_user()
140 if (copy_to_user(buf, rbuf->data+rbuf->pread, split)) in dvb_ringbuffer_read_user()
148 smp_store_release(&rbuf->pread, 0); in dvb_ringbuffer_read_user()
150 if (copy_to_user(buf, rbuf->data+rbuf->pread, todo)) in dvb_ringbuffer_read_user()
[all …]
/Linux-v6.6/tools/testing/selftests/intel_pstate/
Daperf.c66 pread(fd, &old_tsc, sizeof(old_tsc), 0x10); in main()
67 pread(fd, &old_aperf, sizeof(old_mperf), 0xe7); in main()
68 pread(fd, &old_mperf, sizeof(old_aperf), 0xe8); in main()
78 pread(fd, &new_tsc, sizeof(new_tsc), 0x10); in main()
79 pread(fd, &new_aperf, sizeof(new_mperf), 0xe7); in main()
80 pread(fd, &new_mperf, sizeof(new_aperf), 0xe8); in main()
Dmsr.c36 pread(fd, &msr, sizeof(msr), 0x199); in main()
/Linux-v6.6/include/media/
Ddvb_ringbuffer.h44 ssize_t pread; member
126 ((rbuf)->data[((rbuf)->pread + (offs)) % (rbuf)->size])
135 (rbuf)->pread = ((rbuf)->pread + (num)) % (rbuf)->size;\
/Linux-v6.6/tools/testing/selftests/mm/
Dksm_functional_tests.c77 read_size = pread(proc_self_ksm_stat_fd, buf, sizeof(buf) - 1, 0); in get_my_ksm_zero_pages()
101 ret = pread(proc_self_ksm_merging_pages_fd, buf, sizeof(buf) - 1, 0); in get_my_merging_pages()
114 ret = pread(ksm_full_scans_fd, buf, sizeof(buf) - 1, 0); in ksm_get_full_scans()
Dsplit_huge_page_test.c40 pread(pagemap_file, &paddr, sizeof(paddr), in is_backed_by_thp()
44 pread(kpageflags_file, &page_flags, sizeof(page_flags), in is_backed_by_thp()
Dvm_util.c25 ret = pread(fd, &entry, sizeof(entry), pfn * sizeof(entry)); in pagemap_get_entry()
169 if (pread(pagemap_fd, ent, sizeof(ent), in allocate_transhuge()
Dmemfd_secret.c52 (pread(fd, buf, sizeof(buf), 0) >= 0) || in test_file_apis()
Dcow.c52 ret = pread(fd, buf, sizeof(buf), 0); in detect_huge_zeropage()
469 cur = pread(fd, tmp + total, size - total, total); in do_test_iouring()
/Linux-v6.6/tools/testing/selftests/proc/
Dproc-uptime.h45 rv = pread(fd, buf, sizeof(buf), 0); in proc_uptime()
/Linux-v6.6/tools/testing/selftests/kvm/
Dkvm_binary_stats_test.c46 ret = pread(stats_fd, id, header.name_size, sizeof(header)); in stats_test()
158 ret = pread(stats_fd, stats_data, size_data, header.data_offset); in stats_test()
Daccess_tracking_perf_test.c84 TEST_ASSERT(pread(fd, &value, sizeof(value), offset) == sizeof(value), in pread_uint64()
/Linux-v6.6/tools/lib/perf/
Dlib.c46 ssize_t ret = pread(fd, buf, left, offs); in preadn()
/Linux-v6.6/tools/hv/
Dhv_fcopy_daemon.c218 len = pread(fcopy_fd, &buffer, sizeof(buffer), 0); in main()
/Linux-v6.6/drivers/gpu/drm/i915/gem/
Di915_gem_object_types.h84 int (*pread)(struct drm_i915_gem_object *obj, member
Di915_gem_userptr.c421 .pread = i915_gem_userptr_pread,
Di915_gem_shmem.c540 .pread = shmem_pread,
/Linux-v6.6/Documentation/translations/zh_CN/filesystems/
Dsysfs.txt198 向后搜索到零或使用‘0’偏移执行一个pread(2)操作,show()方法将
/Linux-v6.6/arch/um/drivers/
Dcow_user.c273 return pread(fd, buf, len, offset); in file_reader()
/Linux-v6.6/Documentation/translations/zh_TW/filesystems/
Dsysfs.txt201 向後搜索到零或使用『0』偏移執行一個pread(2)操作,show()方法將
/Linux-v6.6/tools/thermal/thermometer/
Dthermometer.c346 pread(tz->fd_temp, buf, sizeof(buf), 0); in timer_temperature_callback()
/Linux-v6.6/drivers/gpu/drm/i915/
Di915_gem.c491 if (obj->ops->pread) in i915_gem_pread_ioctl()
492 ret = obj->ops->pread(obj, args); in i915_gem_pread_ioctl()
/Linux-v6.6/tools/testing/selftests/iommu/
Diommufd_fail_nth.c123 res = pread(nth_state->proc_fd, buf, sizeof(buf), 0); in fail_nth_next()
/Linux-v6.6/arch/um/os-Linux/
Dfile.c275 int n = pread(fd, buf, len, offset); in os_pread_file()
/Linux-v6.6/tools/testing/selftests/sparc64/drivers/
Dadi-test.c214 ret = pread(fd, buf + bytes_read, buf_sz - bytes_read, in pread_adi()

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