lov_device_emerg Struct Reference
[lov]

Resources that are used in memory-cleaning path, and whose allocation cannot fail even when memory is tight. More...

#include <lov_cl_internal.h>

Data Fields
cl_page_list	emrg_page_list
	Page list used to submit IO when memory is in pressure.
cl_io	emrg_subio
	sub-io's shared by all threads accessing this device when memory is too low to allocate sub-io's dynamically.
lu_env *	emrg_env
	Environments used by sub-io's in lov_device_emerg::emrg_subio.
int	emrg_refcheck
	Refchecks for lov_device_emerg::emrg_env.

---

Detailed Description

Resources that are used in memory-cleaning path, and whose allocation cannot fail even when memory is tight.

They are preallocated in sufficient quantities in lov_device::ld_emerg[], and access to them is serialized lov_device::ld_mutex.

---

Field Documentation

int lov_device_emerg::emrg_refcheck

Refchecks for lov_device_emerg::emrg_env.

See also:

cl_env_get()

---

The documentation for this struct was generated from the following file:

• lustre-src/lustre/lov/lov_cl_internal.h

---

Contact | About Sun | News | Employment | Privacy | Terms of Use | Trademarks | (C) 2008 Sun Microsystems, Inc.