locks_alloc_lock

Name:Allocate an empty lock structure.

Proto:struct file_lock *locks_alloc_lock(void)

Type:struct file_lock

Parameter:Nothing

346

348

If fl Then locks_init_lock_heads(fl)

351

Return fl

**Caller**
Name	Describe
flock_make_lock	Fill in a file_lock structure with an appropriate FLOCK lock.
lease_alloc	Allocate a file_lock initialised to this type of lease
flock_lock_inode	Try to create a FLOCK lock on filp
posix_lock_inode
fcntl_getlk	Report the first existing lock that would conflict with l.* This implements the F_GETLK command of fcntl().
fcntl_setlk	Apply the lock described by l to an open file descriptor.* This implements both the F_SETLK and F_SETLKW commands of fcntl().
fcntl_getlk64	Report the first existing lock that would conflict with l.* This implements the F_GETLK command of fcntl().
fcntl_setlk64	Apply the lock described by l to an open file descriptor.* This implements both the F_SETLK and F_SETLKW commands of fcntl().

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