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/linux/tools/testing/selftests/fchmodat2/
H A Dfchmodat2_test.c12 int sys_fchmodat2(int dfd, const char *filename, mode_t mode, int flags) in sys_fchmodat2() argument
14 int ret = syscall(__NR_fchmodat2, dfd, filename, mode, flags); in sys_fchmodat2()
21 int dfd, ret; in setup_testdir() local
28 dfd = open(dirname, O_PATH | O_DIRECTORY); in setup_testdir()
29 if (dfd < 0) in setup_testdir()
32 ret = openat(dfd, "regfile", O_CREAT | O_WRONLY | O_TRUNC, 0644); in setup_testdir()
38 ret = symlinkat("regfile", dfd, "symlink"); in setup_testdir()
43 return dfd; in setup_testdir()
46 int expect_mode(int dfd, const char *filename, mode_t expect_mode) in expect_mode() argument
49 int ret = fstatat(dfd, filename, &st, AT_SYMLINK_NOFOLLOW); in expect_mode()
[all …]
/linux/tools/testing/selftests/openat2/
H A Dresolve_test.c49 int dfd, tmpfd; in setup_testdir() local
59 dfd = open(dirname, O_PATH | O_DIRECTORY); in setup_testdir()
60 if (dfd < 0) in setup_testdir()
64 E_mkdirat(dfd, "root", 0755); in setup_testdir()
65 tmpfd = openat(dfd, "root", O_PATH | O_DIRECTORY); in setup_testdir()
68 close(dfd); in setup_testdir()
69 dfd = tmpfd; in setup_testdir()
71 E_symlinkat("/proc/self/exe", dfd, "procexe"); in setup_testdir()
72 E_symlinkat("/proc/self/root", dfd, "procroot"); in setup_testdir()
73 E_mkdirat(dfd, "root", 0755); in setup_testdir()
[all …]
H A Drename_attack_test.c37 int dfd; in setup_testdir() local
43 dfd = open(dirname, O_PATH | O_DIRECTORY); in setup_testdir()
44 if (dfd < 0) in setup_testdir()
47 E_mkdirat(dfd, "a", 0755); in setup_testdir()
48 E_mkdirat(dfd, "b", 0755); in setup_testdir()
49 E_mkdirat(dfd, "a/c", 0755); in setup_testdir()
51 return dfd; in setup_testdir()
86 int dfd, afd; in test_rename_attack() local
101 dfd = setup_testdir(); in test_rename_attack()
102 afd = openat(dfd, "a", O_PATH); in test_rename_attack()
[all …]
H A Dhelpers.c22 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()
47 int touchat(int dfd, const char *path) in touchat() argument
49 int fd = openat(dfd, path, O_CREAT, 0700); in touchat()
71 bool fdequal(int fd, int dfd, const char *path) in fdequal() argument
77 dfdpath = fdreadlink(dfd); in fdequal()
H A Dhelpers.h96 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);
102 int touchat(int dfd, const char *path);
104 bool fdequal(int fd, int dfd, const char *path);
/linux/io_uring/
H A Dfs.c29 int dfd; member
36 int dfd; member
118 un->dfd = READ_ONCE(sqe->fd); in io_unlinkat_prep()
143 ret = filename_rmdir(un->dfd, name); in io_unlinkat()
145 ret = filename_unlinkat(un->dfd, name); in io_unlinkat()
170 mkd->dfd = READ_ONCE(sqe->fd); in io_mkdirat_prep()
191 ret = filename_mkdirat(mkd->dfd, name, mkd->mode); in io_mkdirat_cleanup()
H A Dopenclose.c24 int dfd; member
68 open->dfd = READ_ONCE(sqe->fd); in __io_openat_prep()
150 file = do_file_open(open->dfd, name, &op); in io_openat2()
/linux/include/linux/
H A Dsyscalls.h343 asmlinkage long sys_setxattrat(int dfd, const char __user *path, unsigned int at_flags,
352 asmlinkage long sys_getxattrat(int dfd, const char __user *path, unsigned int at_flags,
361 asmlinkage long sys_listxattrat(int dfd, const char __user *path,
369 asmlinkage long sys_removexattrat(int dfd, const char __user *path,
375 asmlinkage long sys_file_getattr(int dfd, const char __user *filename,
378 asmlinkage long sys_file_setattr(int dfd, const char __user *filename,
411 asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode,
413 asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode);
414 asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag);
450 asmlinkage long sys_faccessat(int dfd, cons
[all...]
H A Dtime.h30 extern long do_utimes(int dfd, const char __user *filename, struct timespec64 *times, int flags);
/linux/fs/
H A Dfile_attr.c374 SYSCALL_DEFINE5(file_getattr, int, dfd, const char __user *, filename, in SYSCALL_DEFINE5() argument
400 if (!name && dfd >= 0) { in SYSCALL_DEFINE5()
401 CLASS(fd, f)(dfd); in SYSCALL_DEFINE5()
408 error = filename_lookup(dfd, name, lookup_flags, &filepath, in SYSCALL_DEFINE5()
427 SYSCALL_DEFINE5(file_setattr, int, dfd, const char __user *, filename, in SYSCALL_DEFINE5() argument
462 if (!name && dfd >= 0) { in SYSCALL_DEFINE5()
463 CLASS(fd, f)(dfd); in SYSCALL_DEFINE5()
470 error = filename_lookup(dfd, name, lookup_flags, &filepath, in SYSCALL_DEFINE5()
H A Dnamei.c743 int dfd; member
752 static void __set_nameidata(struct nameidata *p, int dfd, struct filename *name) in __set_nameidata() argument
757 p->dfd = dfd; in __set_nameidata()
767 static inline void set_nameidata(struct nameidata *p, int dfd, struct filename *name, in set_nameidata() argument
770 __set_nameidata(p, dfd, name); in set_nameidata()
2718 if (nd->dfd == AT_FDCWD) { in path_init()
2735 CLASS(fd_raw, f)(nd->dfd); in path_init()
2825 int filename_lookup(int dfd, struct filename *name, unsigned flags, in filename_lookup() argument
2832 set_nameidata(&nd, dfd, name, root); in filename_lookup()
2864 static int __filename_parentat(int dfd, struct filename *name, in __filename_parentat() argument
[all …]
H A Dfhandle.c129 SYSCALL_DEFINE5(name_to_handle_at, int, dfd, const char __user *, name, in SYSCALL_DEFINE5() argument
160 err = filename_lookup(dfd, filename, lookup_flags, &path, NULL); in SYSCALL_DEFINE5()
H A Dfsopen.c163 SYSCALL_DEFINE3(fspick, int, dfd, const char __user *, path, unsigned int, flags) in SYSCALL_DEFINE3() argument
186 ret = filename_lookup(dfd, filename, lookup_flags, &target, NULL); in SYSCALL_DEFINE3()
/linux/Documentation/trace/
H A Dkprobetrace.rst189 p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack)
193 p:myprobe,do_sys_open,dfd=%ax,filename=%dx,flags=%cx,mode=+4($stack)
201 …echo 'p:myprobe do_sys_open dfd=%ax filename=%dx flags=%cx mode=+4($stack)' > /sys/kernel/tracing/…
230 field:unsigned long dfd; offset:20; size:4; signed:0;
236 print fmt: "(%lx) dfd=%lx filename=%lx flags=%lx mode=%lx", REC->__probe_ip,
237 REC->dfd, REC->filename, REC->flags, REC->mode
275 …<...>-1447 [001] 1038282.286875: myprobe: (do_sys_open+0x0/0xd6) dfd=3 filename=7fffd1ec4440 flag…
277 …<...>-1447 [001] 1038282.286885: myprobe: (do_sys_open+0x0/0xd6) dfd=ffffff9c filename=40413c fla…
279 …<...>-1447 [001] 1038282.286969: myprobe: (do_sys_open+0x0/0xd6) dfd=ffffff9c filename=4041c6 fla…
/linux/arch/sparc/kernel/
H A Dsystbls.h65 asmlinkage long compat_sys_fstatat64(unsigned int dfd,
98 asmlinkage long compat_sys_fstatat64(unsigned int dfd,
H A Dsys_sparc32.c127 COMPAT_SYSCALL_DEFINE4(fstatat64, unsigned int, dfd, in COMPAT_SYSCALL_DEFINE4() argument
134 error = vfs_fstatat(dfd, filename, &stat, flag); in COMPAT_SYSCALL_DEFINE4()
/linux/tools/testing/selftests/mount_setattr/
H A Dmount_setattr_test.c138 static inline int sys_mount_setattr(int dfd, const char *path, unsigned int flags, in sys_mount_setattr() argument
141 return syscall(__NR_mount_setattr, dfd, path, flags, attr, size); in sys_mount_setattr()
144 static inline int sys_open_tree_attr(int dfd, const char *path, unsigned int flags, in sys_open_tree_attr() argument
147 return syscall(__NR_open_tree_attr, dfd, path, flags, attr, size); in sys_open_tree_attr()
661 int fd, dfd; in TEST_F() local
705 dfd = open("/mnt/A/AA/B", O_DIRECTORY | O_CLOEXEC); in TEST_F()
706 ASSERT_GE(dfd, 0); in TEST_F()
707 EXPECT_EQ(fsync(dfd), 0); in TEST_F()
708 EXPECT_EQ(close(dfd), 0); in TEST_F()
1362 static bool expected_uid_gid(int dfd, const char *path, int flags, in expected_uid_gid() argument
[all …]
/linux/fs/notify/fanotify/
H A Dfanotify_user.c1192 static int fanotify_find_path(int dfd, const char __user *filename, in fanotify_find_path() argument
1199 dfd, filename, flags); in fanotify_find_path()
1202 CLASS(fd, f)(dfd); in fanotify_find_path()
1221 ret = user_path_at(dfd, filename, lookup_flags, path); in fanotify_find_path()
1889 int dfd, const char __user *pathname) in do_fanotify_mark() argument
1907 __func__, fanotify_fd, flags, dfd, pathname, mask); in do_fanotify_mark()
2049 ret = fanotify_find_path(dfd, pathname, &path, flags, in do_fanotify_mark()
2156 __u64, mask, int, dfd, in SYSCALL_DEFINE5() argument
2159 return do_fanotify_mark(fanotify_fd, flags, mask, dfd, pathname); in SYSCALL_DEFINE5()
2166 SC_ARG64(mask), int, dfd, in SYSCALL32_DEFINE6() argument
[all …]
/linux/samples/vfs/
H A Dtest-statx.c48 ssize_t statx(int dfd, const char *filename, unsigned flags, in statx() argument
51 return syscall(__NR_statx, dfd, filename, flags, mask, buffer); in statx()
/linux/arch/x86/kernel/
H A Dsys_ia32.c195 COMPAT_SYSCALL_DEFINE4(ia32_fstatat64, unsigned int, dfd, in COMPAT_SYSCALL_DEFINE4() argument
202 error = vfs_fstatat(dfd, filename, &stat, flag); in COMPAT_SYSCALL_DEFINE4()
/linux/samples/bpf/
H A Dsyscall_tp_kern.c26 long long dfd; member
/linux/arch/arm/include/asm/
H A Dsyscalls.h21 asmlinkage long sys_oabi_fstatat64(int dfd,
/linux/tools/testing/selftests/iommu/
H A Diommufd.c1576 int dfd; in TEST_F() local
1578 test_cmd_get_dmabuf(buf_size, &dfd); in TEST_F()
1579 test_err_ioctl_ioas_map_file(EINVAL, dfd, 0, 0, &iova); in TEST_F()
1580 test_err_ioctl_ioas_map_file(EINVAL, dfd, buf_size, buf_size, &iova); in TEST_F()
1581 test_err_ioctl_ioas_map_file(EINVAL, dfd, 0, buf_size + 1, &iova); in TEST_F()
1582 test_ioctl_ioas_map_file(dfd, 0, buf_size, &iova); in TEST_F()
1584 close(dfd); in TEST_F()
1593 int dfd; in TEST_F() local
1595 test_cmd_get_dmabuf(buf_size, &dfd); in TEST_F()
1596 test_ioctl_ioas_map_file(dfd, 0, buf_size, &iova); in TEST_F()
[all …]
/linux/arch/arm/kernel/
H A Dsys_oabi-compat.c178 asmlinkage long sys_oabi_fstatat64(int dfd, in sys_oabi_fstatat64() argument
186 error = vfs_fstatat(dfd, filename, &stat, flag); in sys_oabi_fstatat64()
/linux/tools/perf/Documentation/
H A Dperf-trace.txt299 2272.992 ( 0.037 ms): gnome-shell/1370 openat(dfd: CWD, filename: /proc/self/stat) = 31
300 2277.481 ( 0.139 ms): gnome-shell/3039 openat(dfd: CWD, filename: /proc/self/stat) = 65
301 3026.398 ( 0.076 ms): gnome-shell/3039 openat(dfd: CWD, filename: /proc/self/stat) = 65
302 4294.665 ( 0.015 ms): sed/15879 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC) = 3

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