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Searched refs:flock (Results 1 – 25 of 66) sorted by relevance

123

/linux-6.3-rc2/fs/
A Dfcntl.c320 struct flock flock; in do_fcntl() local
348 if (copy_from_user(&flock, argp, sizeof(flock))) in do_fcntl()
351 if (!err && copy_to_user(argp, &flock, sizeof(flock))) in do_fcntl()
362 if (copy_from_user(&flock, argp, sizeof(flock))) in do_fcntl()
469 struct flock64 flock; in SYSCALL_DEFINE3() local
488 if (copy_from_user(&flock, argp, sizeof(flock))) in SYSCALL_DEFINE3()
491 if (!err && copy_to_user(argp, &flock, sizeof(flock))) in SYSCALL_DEFINE3()
499 if (copy_from_user(&flock, argp, sizeof(flock))) in SYSCALL_DEFINE3()
593 static int fixup_compat_flock(struct flock *flock) in fixup_compat_flock() argument
598 flock->l_len = COMPAT_OFF_T_MAX; in fixup_compat_flock()
[all …]
A Dlocks.c506 struct flock *l) in flock_to_posix_lock()
2165 static int posix_lock_to_flock(struct flock *flock, struct file_lock *fl) in posix_lock_to_flock() argument
2181 flock->l_whence = 0; in posix_lock_to_flock()
2193 flock->l_whence = 0; in posix_lock_to_flock64()
2201 int fcntl_getlk(struct file *filp, unsigned int cmd, struct flock *flock) in fcntl_getlk() argument
2210 if (flock->l_type != F_RDLCK && flock->l_type != F_WRLCK) in fcntl_getlk()
2219 if (flock->l_pid != 0) in fcntl_getlk()
2327 struct flock *flock) in fcntl_setlk() argument
2352 if (flock->l_pid != 0) in fcntl_setlk()
2417 if (flock->l_type != F_RDLCK && flock->l_type != F_WRLCK) in fcntl_getlk64()
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/linux-6.3-rc2/fs/9p/
A Dvfs_file.c134 struct p9_flock flock; in v9fs_file_do_lock() local
151 memset(&flock, 0, sizeof(flock)); in v9fs_file_do_lock()
155 flock.type = P9_LOCK_TYPE_RDLCK; in v9fs_file_do_lock()
164 flock.start = fl->fl_start; in v9fs_file_do_lock()
166 flock.length = 0; in v9fs_file_do_lock()
169 flock.proc_id = fl->fl_pid; in v9fs_file_do_lock()
197 kfree(flock.client_id); in v9fs_file_do_lock()
232 kfree(flock.client_id); in v9fs_file_do_lock()
653 .flock = v9fs_file_flock_dotl,
680 .flock = v9fs_file_flock_dotl,
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/linux-6.3-rc2/Documentation/filesystems/
A Dlocks.rst18 The old flock(2) emulation in the kernel was swapped for proper BSD
19 compatible flock(2) support in the 1.3.x series of kernels. With the
33 Because sendmail was unable to use the old flock() emulation, many sendmail
34 installations use fcntl() instead of flock(). This is true of Slackware 3.0
38 file with flock(). With pre 1.3.96 kernels this could result in deadlocks that,
46 is to make flock() and fcntl() locks oblivious to each other. Both can
53 cooperative flock()/fcntl() are those that emulate flock() using
/linux-6.3-rc2/fs/cifs/
A Dfile.c1325 flock->fl_type = F_UNLCK; in cifs_lock_test()
1544 struct file_lock *flock; in cifs_push_posix_locks() local
1591 if (flock->fl_type == F_RDLCK || flock->fl_type == F_SHLCK) in cifs_push_posix_locks()
1675 if (flock->fl_flags & in cifs_read_flock()
1731 flock->fl_start, length, flock, in cifs_getlk()
1737 rc = cifs_lock_test(cfile, flock->fl_start, length, type, flock); in cifs_getlk()
1747 flock->fl_type = F_UNLCK; in cifs_getlk()
1755 flock->fl_type = F_WRLCK; in cifs_getlk()
1767 flock->fl_type = F_RDLCK; in cifs_getlk()
1989 if ((flock->fl_flags & FL_POSIX) || (flock->fl_flags & FL_FLOCK)) { in cifs_setlk()
[all …]
A Dsmb2file.c189 smb2_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock, in smb2_unlock_range() argument
198 __u64 length = 1 + flock->fl_end - flock->fl_start; in smb2_unlock_range()
222 if (flock->fl_start > li->offset || in smb2_unlock_range()
223 (flock->fl_start + length) < in smb2_unlock_range()
231 if (!(flock->fl_flags & (FL_FLOCK | FL_OFDLCK))) in smb2_unlock_range()
/linux-6.3-rc2/tools/testing/selftests/powerpc/nx-gzip/include/
A Dnx_dbg.h34 flock(nx_gzip_log->_fileno, LOCK_EX); \
42 flock(nx_gzip_log->_fileno, LOCK_UN); \
/linux-6.3-rc2/arch/arm/kernel/
A Dsys_oabi-compat.c237 struct flock64 flock; in sys_oabi_fcntl64() local
249 err = get_oabi_flock(&flock, argp); in sys_oabi_fcntl64()
252 err = fcntl_getlk64(f.file, cmd, &flock); in sys_oabi_fcntl64()
254 err = put_oabi_flock(&flock, argp); in sys_oabi_fcntl64()
263 err = get_oabi_flock(&flock, argp); in sys_oabi_fcntl64()
266 err = fcntl_setlk64(fd, f.file, cmd, &flock); in sys_oabi_fcntl64()
/linux-6.3-rc2/fs/ksmbd/
A Dvfs.h141 void ksmbd_vfs_posix_lock_wait(struct file_lock *flock);
142 int ksmbd_vfs_posix_lock_wait_timeout(struct file_lock *flock, long timeout);
143 void ksmbd_vfs_posix_lock_unblock(struct file_lock *flock);
A Dvfs.c324 struct file_lock *flock; in check_lock_range() local
332 list_for_each_entry(flock, &ctx->flc_posix, fl_list) { in check_lock_range()
334 if (flock->fl_end >= start && end >= flock->fl_start) { in check_lock_range()
335 if (flock->fl_type == F_RDLCK) { in check_lock_range()
341 } else if (flock->fl_type == F_WRLCK) { in check_lock_range()
343 if (flock->fl_file != filp) { in check_lock_range()
1810 void ksmbd_vfs_posix_lock_wait(struct file_lock *flock) in ksmbd_vfs_posix_lock_wait() argument
1812 wait_event(flock->fl_wait, !flock->fl_blocker); in ksmbd_vfs_posix_lock_wait()
1817 return wait_event_interruptible_timeout(flock->fl_wait, in ksmbd_vfs_posix_lock_wait_timeout()
1818 !flock->fl_blocker, in ksmbd_vfs_posix_lock_wait_timeout()
[all …]
A Dsmb2pdu.c6754 lock->fl = flock; in smb2_lock_init()
6773 wake_up(&flock->fl_wait); in smb2_remove_blocked_lock()
6830 if (!flock) in smb2_lock()
6840 locks_free_lock(flock); in smb2_lock()
6853 flock->fl_end = flock->fl_start + lock_length; in smb2_lock()
6855 if (flock->fl_end < flock->fl_start) { in smb2_lock()
6858 flock->fl_end, flock->fl_start); in smb2_lock()
6860 locks_free_lock(flock); in smb2_lock()
6881 locks_free_lock(flock); in smb2_lock()
6993 flock = smb_lock->fl; in smb2_lock()
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/linux-6.3-rc2/include/linux/
A Dfilelock.h137 int fcntl_getlk(struct file *, unsigned int, struct flock *);
139 struct flock *);
192 struct flock __user *user) in fcntl_getlk()
198 unsigned int cmd, struct flock __user *user) in fcntl_setlk()
/linux-6.3-rc2/tools/testing/selftests/wireguard/qemu/
A DMakefile37 …flock -x $$@.lock -c '[ -f $$@ ] && exit 0; wget -O $$@.tmp $(MIRROR)$(1) || wget -O $$@.tmp $(2)$…
354 flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
364 flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
377 flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
391 flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
401 flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
411 flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
426 flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
437 flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
/linux-6.3-rc2/drivers/nvme/target/
A Dfc.c85 spinlock_t flock; member
642 spin_lock_init(&fod->flock); in nvmet_fc_prep_fcp_iodlist()
898 spin_lock(&fod->flock); in nvmet_fc_delete_target_queue()
907 spin_unlock(&fod->flock); in nvmet_fc_delete_target_queue()
911 spin_unlock(&fod->flock); in nvmet_fc_delete_target_queue()
2303 spin_lock_irqsave(&fod->flock, flags); in nvmet_fc_transfer_fcp_data()
2346 spin_lock_irqsave(&fod->flock, flags); in nvmet_fc_fod_op_done()
2358 spin_lock_irqsave(&fod->flock, flags); in nvmet_fc_fod_op_done()
2449 spin_lock_irqsave(&fod->flock, flags); in __nvmet_fc_fcp_nvme_cmd_done()
2775 spin_lock(&fod->flock); in nvmet_fc_rcv_fcp_abort()
[all …]
/linux-6.3-rc2/fs/afs/
A DMakefile16 flock.o \
/linux-6.3-rc2/tools/perf/trace/beauty/
A DBuild3 perf-y += flock.o
/linux-6.3-rc2/net/9p/
A Dclient.c2179 int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status) in p9_client_lock_dotl() argument
2189 fid->fid, flock->type, flock->flags, flock->start, in p9_client_lock_dotl()
2190 flock->length, flock->proc_id, flock->client_id); in p9_client_lock_dotl()
2192 req = p9_client_rpc(clnt, P9_TLOCK, "dbdqqds", fid->fid, flock->type, in p9_client_lock_dotl()
2193 flock->flags, flock->start, flock->length, in p9_client_lock_dotl()
2194 flock->proc_id, flock->client_id); in p9_client_lock_dotl()
/linux-6.3-rc2/include/uapi/asm-generic/
A Dfcntl.h196 struct flock { struct
/linux-6.3-rc2/tools/include/uapi/asm-generic/
A Dfcntl.h196 struct flock { struct
/linux-6.3-rc2/tools/power/x86/intel-speed-select/
A Disst-daemon.c197 if (flock(pid_file_handle, LOCK_EX|LOCK_NB) < 0) {
/linux-6.3-rc2/arch/um/os-Linux/
A Dfile.c580 struct flock lock = ((struct flock) { .l_type = type, in os_lock_file()
/linux-6.3-rc2/include/net/9p/
A Dclient.h224 int p9_client_lock_dotl(struct p9_fid *fid, struct p9_flock *flock, u8 *status);
/linux-6.3-rc2/Documentation/x86/
A Dresctrl.rst1134 Locking is based on flock, which is available in libc and also as a shell
1139 A) Take flock(LOCK_EX) on /sys/fs/resctrl
1145 A) Take flock(LOCK_SH) on /sys/fs/resctrl
1152 $ flock -s /sys/fs/resctrl/ find /sys/fs/resctrl
1162 $ flock /sys/fs/resctrl/ ./create-dir.sh
1178 ret = flock(fd, LOCK_SH);
1180 perror("flock");
1190 ret = flock(fd, LOCK_EX);
1192 perror("flock");
1202 ret = flock(fd, LOCK_UN);
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/linux-6.3-rc2/tools/perf/util/
A Dbpf_counter.c372 err = flock(map_fd, LOCK_EX); in bperf_lock_attr_map()
586 flock(attr_map_fd, LOCK_UN); in bperf__load()
/linux-6.3-rc2/kernel/
A Dsys_ni.c88 COND_SYSCALL(flock);

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