linux-sg2042/init
David Howells 07fe7cb7c7 Create a dynamically sized pool of threads for doing very slow work items
Create a dynamically sized pool of threads for doing very slow work items, such
as invoking mkdir() or rmdir() - things that may take a long time and may
sleep, holding mutexes/semaphores and hogging a thread, and are thus unsuitable
for workqueues.

The number of threads is always at least a settable minimum, but more are
started when there's more work to do, up to a limit.  Because of the nature of
the load, it's not suitable for a 1-thread-per-CPU type pool.  A system with
one CPU may well want several threads.

This is used by FS-Cache to do slow caching operations in the background, such
as looking up, creating or deleting cache objects.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Daire Byrne <Daire.Byrne@framestore.com>
2009-04-03 16:42:35 +01:00
..
Kconfig Create a dynamically sized pool of threads for doing very slow work items 2009-04-03 16:42:35 +01:00
Makefile kbuild: fix make V=1 2008-02-11 17:43:54 +01:00
calibrate.c x86: remove stray <6> in BogoMIPS printk 2008-07-28 14:22:26 +02:00
do_mounts.c Get rid of indirect include of fs_struct.h 2009-03-31 23:00:27 -04:00
do_mounts.h make init/do_mounts.c:root_device_name static 2008-07-26 12:00:12 -07:00
do_mounts_initrd.c Freezer: Fix s2disk resume from initrd 2007-11-20 22:22:42 -05:00
do_mounts_md.c Consolidate driver_probe_done() loops into one place 2009-02-21 14:17:17 -08:00
do_mounts_rd.c init: make initrd/initramfs decompression failure a KERN_EMERG event 2009-01-14 11:28:35 -08:00
initramfs.c initramfs: prevent initramfs printk message being split by messages from other code. 2009-04-02 19:04:51 -07:00
main.c init/main.c: fix sparse warnings: context imbalance 2009-04-01 08:59:18 -07:00
noinitramfs.c [PATCH] disable init/initramfs.c 2007-02-11 10:51:25 -08:00
version.c init/version.c: define version_string only if CONFIG_KALLSYMS is not defined 2008-07-25 10:53:29 -07:00