vfs_test_lock(9)
NAME
vfs_test_lock - test file byte range lock
SYNOPSIS
int vfs_test_lock(struct file * filp, struct file_lock * fl);
ARGUMENTS
- filp
- The file to test lock for
- fl
- The lock to test; also used to hold result
DESCRIPTION
Returns -ERRNO on failure. Indicates presence of conflicting lock by
setting conf->fl_type to something other than F_UNLCK.