.TH "posix_block_lock" 9 "posix_block_lock" "25 May 1998" "Kernel Hacker's Manual" LINUX .SH NAME posix_block_lock \- blocks waiting for a file lock .SH SYNOPSIS .B "void" posix_block_lock .BI "(struct file_lock *" blocker "," .BI "struct file_lock *" waiter ");" .SH ARGUMENTS .IP "blocker" 12 the lock which is blocking .IP "waiter" 12 the lock which conflicts and has to wait .SH "DESCRIPTION" lockd needs to block waiting for locks.