Name
posix_lock_file —
Apply a POSIX-style lock to a file
Synopsis
int posix_lock_file (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