Name

vfs_test_lock — test file byte range lock

Synopsis

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

Arguments

struct file * filp

The file to test lock for

struct file_lock * 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.