Name
locks_mandatory_area —
Check for a conflicting lock
Synopsis
int locks_mandatory_area ( | int | read_write, |
| | struct inode * | inode, |
| | struct file * | filp, |
| | loff_t | offset, |
| | size_t | count); |
Arguments
read_write
FLOCK_VERIFY_WRITE for exclusive access, FLOCK_VERIFY_READ
for shared
inode
the file to check
filp
how the file was opened (if it was)
offset
start of area to check
count
length of area to check
Description
Searches the inode's list of locks to find any POSIX locks which conflict.
This function is called from rw_verify_area and
locks_verify_truncate.