posix_lock_file_wait(9)
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