Name

posix_lock_file_wait — Apply a POSIX-style lock to a file

Synopsis

int posix_lock_file_wait (struct file *  filp,
 struct file_lock *  fl);

Arguments

filp

The file to apply the lock to

fl

The lock to be applied

Description

Add a POSIX style lock to a file. We merge adjacent & overlapping locks whenever possible. POSIX locks are sorted by owner task, then by starting address