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Andres Salomon efab0b5d3e [JFFS2] force the jffs2 GC daemon to behave a bit better 
I've noticed some pretty poor behavior on OLPC machines after bootup, when
gdm/X are starting.  The GCD monopolizes the scheduler (which in turns
means it gets to do more nand i/o), which results in processes taking much
much longer than they should to start.

As an example, on an OLPC machine going from OFW to a usable X (via
auto-login gdm) takes 2m 30s.  The majority of this time is consumed by
the switch into graphical mode.  With this patch, we cut a full 60s off of
bootup time.  After bootup, things are much snappier as well.

Note that we have seen a CRC node error with this patch that causes the machine
to fail to boot, but we've also seen that problem without this patch.

Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2009-02-14 08:59:04 +00:00
..
9p
Merge branch 'next' into for-linus
2008-12-25 11:40:09 +11:00
adfs
vfs: Use const for kernel parser table
2008-10-13 10:10:37 -07:00
affs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-01-05 18:32:06 -08:00
afs
fs: symlink write_begin allocation context fix
2009-01-04 13:33:20 -08:00
autofs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
autofs4
autofs4: fix string validation check order
2009-01-06 15:59:23 -08:00
befs
befs: ensure fast symlinks are NUL-terminated
2008-12-31 18:07:40 -05:00
bfs
bfs: check that filesystem fits on the blockdevice
2009-01-06 15:59:31 -08:00
btrfs
btrfs: fix for write_super_lockfs/unlockfs error handling
2009-01-10 06:09:52 -08:00
cifs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-01-05 18:32:06 -08:00
coda
coda: fix fs/coda/sysctl.c build warnings when !CONFIG_SYSCTL
2009-01-08 08:31:01 -08:00
configfs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
cramfs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
debugfs
debugfs: add helpers for exporting a size_t simple value
2009-01-07 10:00:16 -08:00
devpts
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
dlm
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm
2009-01-05 19:02:09 -08:00
ecryptfs
fs/ecryptfs/inode.c: cleanup kerneldoc
2009-01-06 15:59:22 -08:00
efs
[PATCH] switch all filesystems over to d_obtain_alias
2008-10-23 05:13:01 -04:00
exportfs
Merge branch 'next' into for-linus
2008-12-25 11:40:09 +11:00
ext2
ext2: tighten restrictions on inode flags
2009-01-08 08:31:00 -08:00
ext3
filesystem freeze: add error handling of write_super_lockfs/unlockfs
2009-01-09 16:54:42 -08:00
ext4
filesystem freeze: add error handling of write_super_lockfs/unlockfs
2009-01-09 16:54:42 -08:00
fat
Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6
2008-12-30 20:33:34 -08:00
freevxfs
freevxfs: ensure fast symlinks are NUL-terminated
2008-12-31 18:07:40 -05:00
fuse
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2009-01-06 17:01:20 -08:00
gfs2
filesystem freeze: add error handling of write_super_lockfs/unlockfs
2009-01-09 16:54:42 -08:00
hfs
CRED: Wrap task credential accesses in the HFS filesystem
2008-11-14 10:38:54 +11:00
hfsplus
CRED: Wrap task credential accesses in the HFSplus filesystem
2008-11-14 10:38:54 +11:00
hostfs
fs: symlink write_begin allocation context fix
2009-01-04 13:33:20 -08:00
hpfs
CRED: Wrap task credential accesses in the HPFS filesystem
2008-11-14 10:38:55 +11:00
hppfs
CRED: Use creds in file structs
2008-11-14 10:39:25 +11:00
hugetlbfs
hugetlb: unsigned ret cannot be negative
2009-01-06 15:59:08 -08:00
isofs
isofs check for NULL ->i_op in root directory is dead code
2009-01-05 11:53:38 -05:00
jbd
jbd: remove excess kernel-doc notation
2009-01-08 08:31:01 -08:00
jbd2
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2009-01-08 17:14:59 -08:00
jffs2
[JFFS2] force the jffs2 GC daemon to behave a bit better
2009-02-14 08:59:04 +00:00
jfs
filesystem freeze: add error handling of write_super_lockfs/unlockfs
2009-01-09 16:54:42 -08:00
lockd
NLM: Clean up flow of control in make_socks() function
2009-01-07 15:40:44 -05:00
minix
minix: fix add link's wrong position calculation
2009-01-06 15:59:27 -08:00
ncpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2009-01-07 11:31:52 -08:00
nfs
fs: symlink write_begin allocation context fix
2009-01-04 13:33:20 -08:00
nfs_common
SUNRPC: nfsacl_encode/nfsacl_decode should be exported as GPL-only
2008-12-23 15:21:32 -05:00
nfsd
nfsd: last_byte_offset
2009-01-07 17:38:31 -05:00
nls
remove CONFIG_KMOD from fs
2008-10-17 02:38:36 +11:00
notify
inotify: fix type errors in interfaces
2009-01-05 11:54:29 -05:00
ntfs
ntfs: don't NULL i_op
2009-01-05 11:54:27 -05:00
ocfs2
fix similar typos to successfull
2009-01-08 08:31:15 -08:00
omfs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
openpromfs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
partitions
block: fix bug in ptbl lookup cache
2009-01-09 21:46:13 +01:00
proc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-nommu
2009-01-09 14:00:58 -08:00
qnx4
SL*B: drop kmem cache argument from constructor
2008-07-26 12:00:07 -07:00
ramfs
NOMMU: Fix cleanup handling in ramfs_nommu_get_umapped_area()
2009-01-08 12:04:46 +00:00
reiserfs
filesystem freeze: add error handling of write_super_lockfs/unlockfs
2009-01-09 16:54:42 -08:00
romfs
romfs: romfs_iget() - unsigned ino >= 0 is always true
2009-01-08 08:31:14 -08:00
smbfs
fs: symlink write_begin allocation context fix
2009-01-04 13:33:20 -08:00
squashfs
Squashfs: Makefiles
2009-01-05 08:46:27 +00:00
sysfs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
sysv
sysv: ensure fast symlinks are NUL-terminated
2008-12-31 18:07:39 -05:00
ubifs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2009-01-07 11:31:52 -08:00
udf
Merge branch 'master' into next
2008-12-04 17:16:36 +11:00
ufs
CRED: Wrap task credential accesses in the UFS filesystem
2008-11-14 10:39:04 +11:00
xfs
filesystem freeze: remove XFS specific ioctl interfaces for freeze feature
2009-01-09 16:54:42 -08:00
aio.c
aio: make the lookup_ioctx() lockless
2008-12-29 08:29:50 +01:00
anon_inodes.c
anon_inodes: use fops->owner for module refcount
2008-12-31 16:55:44 +02:00
attr.c
CRED: Wrap task credential accesses in the filesystem subsystem
2008-11-14 10:39:05 +11:00
bad_inode.c
kill ->dir_notify()
2008-12-31 18:07:43 -05:00
binfmt_aout.c
sanitize ifdefs in binfmt_aout
2009-01-03 11:45:54 -08:00
binfmt_elf_fdpic.c
FDPIC: Don't attempt to expand the userspace stack to fill the space allocated
2009-01-08 12:04:47 +00:00
binfmt_elf.c
ELF: implement AT_RANDOM for glibc PRNG seeding
2009-01-08 08:31:12 -08:00
binfmt_em86.c
Allow recursion in binfmt_script and binfmt_misc
2008-10-16 11:21:38 -07:00
binfmt_flat.c
FLAT: Don't attempt to expand the userspace stack to fill the space allocated
2009-01-08 12:04:47 +00:00
binfmt_misc.c
fs/binfmt_misc.c: add terminating newline to /proc/sys/fs/binfmt_misc/status
2009-01-06 15:59:19 -08:00
binfmt_script.c
Allow recursion in binfmt_script and binfmt_misc
2008-10-16 11:21:38 -07:00
binfmt_som.c
CRED: Make execve() take advantage of copy-on-write credentials
2008-11-14 10:39:24 +11:00
bio-integrity.c
bio: allow individual slabs in the bio_set
2008-12-29 08:29:23 +01:00
bio.c
[SCSI] block: make blk_rq_map_user take a NULL user-space buffer for WRITE
2009-01-02 11:10:35 -06:00
block_dev.c
filesystem freeze: implement generic freeze feature
2009-01-09 16:54:42 -08:00
buffer.c
filesystem freeze: implement generic freeze feature
2009-01-09 16:54:42 -08:00
char_dev.c
fs: fix name overwrite in __register_chrdev_region()
2009-01-06 15:59:13 -08:00
compat_binfmt_elf.c
…
compat_ioctl.c
…
compat.c
add missing accounting calls to compat_sys_{readv,writev}
2009-01-06 15:59:13 -08:00
dcache.c
generic swap(): dcache: use swap() instead of private do_switch()
2009-01-08 08:31:15 -08:00
dcookies.c
shrink struct dentry
2008-12-31 18:07:38 -05:00
direct-io.c
fs: truncate blocks outside i_size after O_DIRECT write error
2009-01-06 15:59:06 -08:00
dquot.c
quota: don't set grace time when user isn't above softlimit
2009-01-08 08:31:01 -08:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
epoll: introduce resource usage limits
2008-12-01 19:55:24 -08:00
exec.c
fs/exec.c: make do_coredump() void
2009-01-06 15:59:29 -08:00
fcntl.c
Merge branch 'next' into for-linus
2008-12-25 11:40:09 +11:00
fifo.c
[PATCH] introduce fmode_t, do annotations
2008-10-21 07:47:06 -04:00
file_table.c
filp_cachep can be static in fs/file_table.c
2008-12-31 18:07:42 -05:00
file.c
[PATCH] merge locate_fd() and get_unused_fd()
2008-08-01 11:25:23 -04:00
filesystems.c
vfs: remove duplicate code in get_fs_type()
2009-01-05 11:54:29 -05:00
fs-writeback.c
fs: sys_sync fix
2009-01-06 15:59:09 -08:00
generic_acl.c
…
inode.c
partial revert of asynchronous inode delete
2009-01-09 13:15:49 -08:00
internal.h
CRED: Make execve() take advantage of copy-on-write credentials
2008-11-14 10:39:24 +11:00
ioctl.c
filesystem freeze: implement generic freeze feature
2009-01-09 16:54:42 -08:00
ioprio.c
ext4: Add mount option to set kjournald's I/O priority
2009-01-05 22:46:26 -05:00
Kconfig
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus
2009-01-09 15:18:49 -08:00
Kconfig.binfmt
CORE_DUMP_DEFAULT_ELF_HEADERS depends on ELF_CORE
2009-01-09 16:54:41 -08:00
libfs.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-01-05 18:32:06 -08:00
locks.c
CRED: Wrap task credential accesses in the filesystem subsystem
2008-11-14 10:39:05 +11:00
Makefile
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus
2009-01-09 15:18:49 -08:00
mbcache.c
…
mpage.c
do_mpage_readpage(): remove useless clear_buffer_mapped() call
2009-01-06 15:59:01 -08:00
namei.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-01-05 18:32:06 -08:00
namespace.c
fs/namespace.c: drop code after return
2008-12-31 18:07:38 -05:00
nfsctl.c
pass a struct path * to may_open
2008-12-31 18:07:41 -05:00
no-block.c
…
open.c
inode->i_op is never NULL
2009-01-05 11:54:28 -05:00
pipe.c
sanitize audit_fd_pair()
2009-01-04 15:14:41 -05:00
pnode.c
…
pnode.h
…
posix_acl.c
CRED: Wrap task credential accesses in the filesystem subsystem
2008-11-14 10:39:05 +11:00
quota_tree.c
quota: Split off quota tree handling into a separate file
2009-01-05 08:40:21 -08:00
quota_tree.h
quota: Split off quota tree handling into a separate file
2009-01-05 08:40:21 -08:00
quota_v1.c
quota: Move quotaio_v[12].h from include/linux/ to fs/
2009-01-05 08:36:58 -08:00
quota_v2.c
quota: Convert union in mem_dqinfo to a pointer
2009-01-05 08:40:21 -08:00
quota.c
quota: Introduce DQUOT_QUOTA_SYS_FILE flag
2009-01-05 08:36:57 -08:00
quotaio_v1.h
quota: Move quotaio_v[12].h from include/linux/ to fs/
2009-01-05 08:36:58 -08:00
quotaio_v2.h
quota: Split off quota tree handling into a separate file
2009-01-05 08:40:21 -08:00
read_write.c
vfs: lseek(fd, 0, SEEK_CUR) race condition
2009-01-05 11:53:07 -05:00
read_write.h
…
readdir.c
[PATCH] prepare vfs_readdir() callers to returning filldir result
2008-10-23 05:13:10 -04:00
select.c
poll: allow f_op->poll to sleep
2009-01-06 15:59:12 -08:00
seq_file.c
Merge branch 'cpus4096-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-01-03 12:04:39 -08:00
signalfd.c
…
splice.c
memcg: synchronized LRU
2009-01-08 08:31:05 -08:00
stack.c
…
stat.c
inode->i_op is never NULL
2009-01-05 11:54:28 -05:00
super.c
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2009-01-08 17:14:59 -08:00
sync.c
mm: do_sync_mapping_range integrity fix
2009-01-06 15:59:00 -08:00
timerfd.c
hrtimer: convert timerfd to the new hrtimer apis
2008-09-05 21:35:09 -07:00
utimes.c
[PATCH] sanitize __user_walk_fd() et.al.
2008-07-26 20:53:34 -04:00
xattr_acl.c
…
xattr.c
inode->i_op is never NULL
2009-01-05 11:54:28 -05:00