| /external/ltp/lib/ |
| D | tst_device.c | 74 int ctl_fd, dev_fd, rc, i; in tst_find_free_loopdev() local
116 dev_fd = open(buf, O_RDONLY); in tst_find_free_loopdev()
118 if (dev_fd < 0) in tst_find_free_loopdev()
121 if (ioctl(dev_fd, LOOP_GET_STATUS, &loopinfo) == 0) { in tst_find_free_loopdev()
127 close(dev_fd); in tst_find_free_loopdev()
135 close(dev_fd); in tst_find_free_loopdev()
145 int dev_fd, file_fd; in tst_attach_device() local
151 dev_fd = open(dev, O_RDWR); in tst_attach_device()
152 if (dev_fd >= 0) in tst_attach_device()
156 if (dev_fd < 0) { in tst_attach_device()
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| /external/f2fs-tools/tools/sg_write_buffer/ |
| D | sg_pt_linux.c | 194 check_file_type(int dev_fd, struct stat * dev_statp, bool * is_bsg_p, in check_file_type() argument
206 if (dev_fd >= 0) { in check_file_type()
207 if (fstat(dev_fd, dev_statp) < 0) { in check_file_type()
226 nsid = ioctl(dev_fd, NVME_IOCTL_ID, NULL); in check_file_type()
240 pr2ws("%s: invalid file descriptor (%d)\n", __func__, dev_fd); in check_file_type()
279 check_pt_file_handle(int dev_fd, const char * device_name, int verbose) in check_pt_file_handle() argument
282 pr2ws("%s: dev_fd=%d, device_name: %s\n", __func__, dev_fd, in check_pt_file_handle()
289 if (dev_fd >= 0) { in check_pt_file_handle()
295 is_sg = check_file_type(dev_fd, &a_stat, &is_bsg, &is_nvme, &nsid, in check_pt_file_handle()
395 construct_scsi_pt_obj_with_fd(int dev_fd, int verbose) in construct_scsi_pt_obj_with_fd() argument
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| D | sg_pt_linux_nvme.c | 329 res = ioctl(ptp->dev_fd, NVME_IOCTL_ADMIN_CMD, cmdp); in do_nvme_admin_cmd()
1093 if ((ptp->dev_fd >= 0) && (fd != ptp->dev_fd)) { in sg_do_nvme_pt()
1099 ptp->dev_fd = fd; in sg_do_nvme_pt()
1100 } else if (ptp->dev_fd < 0) { in sg_do_nvme_pt()
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| /external/ltp/testcases/kernel/syscalls/pwritev/ |
| D | pwritev03.c | 92 int dev_fd, ret; in setup() local
94 dev_fd = SAFE_OPEN(tst_device->dev, O_RDWR); in setup()
95 SAFE_IOCTL(dev_fd, BLKSSZGET, &ret); in setup()
96 SAFE_CLOSE(dev_fd); in setup()
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| /external/ltp/testcases/kernel/syscalls/preadv/ |
| D | preadv03.c | 93 int dev_fd, ret; in setup() local
95 dev_fd = SAFE_OPEN(tst_device->dev, O_RDWR); in setup()
96 SAFE_IOCTL(dev_fd, BLKSSZGET, &ret); in setup()
97 SAFE_CLOSE(dev_fd); in setup()
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| /external/f2fs-tools/tools/sg_write_buffer/include/ |
| D | sg_pt.h | 52 int check_pt_file_handle(int dev_fd, const char * device_name, int verbose);
70 construct_scsi_pt_obj_with_fd(int dev_fd, int verbose);
76 int set_pt_file_handle(struct sg_pt_base * objp, int dev_fd, int verbose);
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| D | sg_pt_linux.h | 103 int dev_fd; /* -1 if not given (yet) */ member
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| /external/toybox/toys/pending/ |
| D | fdisk.c | 85 static int num_parts, disp_unit_cyl, dos_flag, dev_fd = 3; variable
151 if (ioctl(dev_fd, BLKSSZGET, &arg) == 0) g_sect_size = arg; in read_sec_sz()
166 if (ioctl(dev_fd, BLKGETSIZE64, &sec64) == 0) { in read_size()
174 if (ioctl(dev_fd, BLKGETSIZE, §ors) == 0) in read_size()
227 if (ioctl(dev_fd, HDIO_GETGEO, &geometry)) return; in read_geometry()
260 xlseek(dev_fd, (off_t)(offset * g_sect_size), SEEK_SET); in read_ebr()
262 if (g_sect_size != readall(dev_fd, sec_buf, g_sect_size)) { in read_ebr()
263 close(dev_fd); in read_ebr()
355 if(fd != dev_fd) { in read_mbr()
356 if(dup2(fd, dev_fd) != dev_fd) perror_exit("Can't dup2"); in read_mbr()
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| /external/linux-kselftest/tools/testing/selftests/kvm/lib/ |
| D | kvm_util.c | 774 int dev_fd, ret; in vcpu_mmap_sz() local
776 dev_fd = open(KVM_DEV_PATH, O_RDONLY); in vcpu_mmap_sz()
777 if (dev_fd < 0) in vcpu_mmap_sz()
780 ret = ioctl(dev_fd, KVM_GET_VCPU_MMAP_SIZE, NULL); in vcpu_mmap_sz()
785 close(dev_fd); in vcpu_mmap_sz()
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| /external/ppp/pppd/ |
| D | pppd.h | 617 void generic_disestablish_ppp __P((int dev_fd)); /* Restore device setting */
618 int generic_establish_ppp __P((int dev_fd)); /* Make a ppp interface */
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| D | sys-linux.c | 597 void generic_disestablish_ppp(int dev_fd) in generic_disestablish_ppp() argument
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| /external/minijail/ |
| D | libminijail.c | 1541 int dev_fd; in mount_dev() local
1566 dev_fd = open(dev_path, O_DIRECTORY|O_PATH|O_CLOEXEC); in mount_dev()
1567 if (dev_fd < 0) { in mount_dev()
1575 ret = mknodat(dev_fd, ds->name, ds->mode, in mount_dev()
1584 ret = symlinkat(ds->dest, dev_fd, ds->source); in mount_dev()
1590 ret = mkdirat(dev_fd, "shm", 01777); in mount_dev()
1596 close(dev_fd); in mount_dev()
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