smb/server/smb2pdu.c

7073 static int smb2_set_flock_flags(struct file_lock *flock, int flags)
7082 		flock->c.flc_type = F_RDLCK;
7083 		flock->c.flc_flags |= FL_SLEEP;
7088 		flock->c.flc_type = F_WRLCK;
7089 		flock->c.flc_flags |= FL_SLEEP;
7095 		flock->c.flc_type = F_RDLCK;
7101 		flock->c.flc_type = F_WRLCK;
7105 		flock->c.flc_type = F_UNLCK;
7113 static struct ksmbd_lock *smb2_lock_init(struct file_lock *flock,
7124 	lock->fl = flock;
7125 	lock->start = flock->fl_start;
7126 	lock->end = flock->fl_end;
7140 	struct file_lock *flock = (struct file_lock *)argv[0];
7142 	ksmbd_vfs_posix_lock_unblock(flock);
7143 	locks_wake_up(flock);
7164 	struct file_lock *flock = NULL;
7201 		flock = smb_flock_init(filp);
7202 		if (!flock)
7205 		cmd = smb2_set_flock_flags(flock, flags);
7212 			locks_free_lock(flock);
7217 			flock->fl_start = OFFSET_MAX;
7219 			flock->fl_start = lock_start;
7222 		if (lock_length > OFFSET_MAX - flock->fl_start)
7223 			lock_length = OFFSET_MAX - flock->fl_start;
7225 		flock->fl_end = flock->fl_start + lock_length;
7227 		if (flock->fl_end < flock->fl_start) {
7230 				    flock->fl_end, flock->fl_start);
7232 			locks_free_lock(flock);
7238 			if (cmp_lock->fl->fl_start <= flock->fl_start &&
7239 			    cmp_lock->fl->fl_end >= flock->fl_end) {
7241 				    flock->c.flc_type != F_UNLCK) {
7244 					locks_free_lock(flock);
7250 		smb_lock = smb2_lock_init(flock, cmd, flags, &lock_list);
7253 			locks_free_lock(flock);
7365 		flock = smb_lock->fl;
7368 		rc = vfs_lock_file(filp, smb_lock->cmd, flock, NULL);
7377 			locks_free_lock(flock);
7392 				argv[0] = flock;
7408 				ksmbd_vfs_posix_lock_wait(flock);
7416 					locks_free_lock(flock);