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Dave Kleikamp 833f73299f [PATCH] EXT2: Remove superblock lock contention in ext2_statfs 
Fix a performance degradation introduced in 2.6.17.  (30% degradation
running dbench with 16 threads)

Commit 21730eed11de42f22afcbd43f450a1872a0b5ea1, which claims to make
EXT2_DEBUG work again, moves the taking of the kernel lock out of
debug-only code in ext2_count_free_inodes and ext2_count_free_blocks and
into ext2_statfs.

The same problem was fixed in ext3 by removing the lock completely (commit
5b11687924e40790deb0d5f959247ade82196665)

Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-19 07:59:59 -07:00
..
9p
[PATCH] 9p: fix fid behavior on failed remove
2006-07-31 13:28:44 -07:00
adfs
[PATCH] adfs error message fix
2006-08-14 12:54:28 -07:00
affs
[PATCH] mark address_space_operations const
2006-06-28 14:59:04 -07:00
afs
[PATCH] mark address_space_operations const
2006-06-28 14:59:04 -07:00
autofs
…
autofs4
[PATCH] fs: use list_move()
2006-06-26 09:58:18 -07:00
befs
[PATCH] Fix BeFS slab corruption
2006-08-06 08:57:48 -07:00
bfs
[PATCH] mark address_space_operations const
2006-06-28 14:59:04 -07:00
cifs
[CIFS] Fix CIFS readdir access denied when SE Linux enabled
2006-09-06 22:02:22 +00:00
coda
[PATCH] Remove incorrect unlock_kernel from allocation failure path in coda_open()
2006-07-31 13:28:41 -07:00
configfs
configfs: Clear up a few extra spaces where there should be TABs.
2006-06-29 14:43:01 -07:00
cramfs
[PATCH] mark address_space_operations const
2006-06-28 14:59:04 -07:00
debugfs
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
devpts
…
efs
[PATCH] efs: Remove incorrect unlock_kernel from failure path in efs_symlink_readpage()
2006-07-31 13:28:41 -07:00
exportfs
…
ext2
[PATCH] EXT2: Remove superblock lock contention in ext2_statfs
2006-09-19 07:59:59 -07:00
ext3
[PATCH] ext3 sequential read regression fix
2006-09-16 12:54:32 -07:00
fat
[PATCH] mark address_space_operations const
2006-06-28 14:59:04 -07:00
freevxfs
[PATCH] freevxfs: Add missing lock_kernel() to vxfs_readdir
2006-07-31 13:28:44 -07:00
fuse
[PATCH] fuse: fix error case in fuse_readpages
2006-08-14 12:54:29 -07:00
hfs
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
hfsplus
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
hostfs
[PATCH] mark address_space_operations const
2006-06-28 14:59:04 -07:00
hpfs
[PATCH] mark address_space_operations const
2006-06-28 14:59:04 -07:00
hppfs
…
hugetlbfs
[PATCH] mmap zero-length hugetlb file with PROT_NONE to protect a hugetlb virtual area
2006-07-10 13:24:21 -07:00
isofs
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
jbd
[PATCH] manage-jbd-its-own-slab fix
2006-09-01 11:39:10 -07:00
jffs
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
jffs2
[PATCH] JFFS2: SUMMARY: fix a summary collecting bug
2006-09-16 12:54:32 -07:00
jfs
JFS: Fix bug in quota code. tmp_bh.b_size must be initialized
2006-07-28 08:46:05 -05:00
lockd
LOCKD: Fix a deadlock in nlm_traverse_files()
2006-08-24 15:51:00 -04:00
minix
[PATCH] Fix for minix crash
2006-08-27 11:01:30 -07:00
msdos
…
ncpfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial
2006-06-30 15:39:30 -07:00
nfs
[PATCH] NFS: large non-page-aligned direct I/O clobbers memory
2006-09-08 10:22:51 -07:00
nfs_common
…
nfsd
[PATCH] knfsd: Fix stale file handle problem with subtree_checking.
2006-07-31 13:28:37 -07:00
nls
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
ntfs
[PATCH] lockdep: annotate NTFS locking rules
2006-07-03 15:27:08 -07:00
ocfs2
ocfs2: allocation hints
2006-08-07 11:07:01 -07:00
openpromfs
[OPENPROMFS]: Rewrite using in-kernel device tree and seq_file.
2006-06-25 23:19:14 -07:00
partitions
[DISKLABEL] SUN: Fix signed int usage for sector count
2006-08-26 17:55:55 -07:00
proc
[PATCH] /proc/meminfo: don't put spaces in names
2006-08-27 11:01:33 -07:00
qnx4
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
ramfs
[PATCH] NOMMU: Fix execution off of ramfs with mmap()
2006-07-10 13:24:21 -07:00
reiserfs
[PATCH] lockdep: annotate reiserfs
2006-08-27 11:01:32 -07:00
romfs
[PATCH] mark address_space_operations const
2006-06-28 14:59:04 -07:00
smbfs
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
sysfs
[PATCH] lockdep: annotate the sysfs i_mutex to be a separate class
2006-07-12 12:52:54 -07:00
sysv
[PATCH] mark address_space_operations const
2006-06-28 14:59:04 -07:00
udf
Fix possible UDF deadlock and memory corruption (CVE-2006-4145)
2006-08-22 12:52:23 -07:00
ufs
[PATCH] ufs: truncate correction
2006-08-27 11:01:31 -07:00
vfat
…
xfs
[XFS] Fix a bad pointer dereference in the quota statvfs handling.
2006-09-07 14:27:23 +10:00
aio.c
spelling fixes
2006-06-26 18:35:02 +02:00
attr.c
…
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
[PATCH] FDPIC: Add coredump capability for the ELF-FDPIC binfmt
2006-07-10 13:24:22 -07:00
binfmt_elf.c
[PATCH] FDPIC: Move roundup() into linux/kernel.h
2006-07-10 13:24:22 -07:00
binfmt_em86.c
…
binfmt_flat.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
binfmt_misc.c
…
binfmt_script.c
…
binfmt_som.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
bio.c
…
block_dev.c
[PATCH] lockdep: fix blkdev_open() warning
2006-08-27 11:01:29 -07:00
buffer.c
[PATCH] invalidate_bdev() speedup
2006-07-31 13:28:38 -07:00
char_dev.c
[PATCH] add function documentation for register_chrdev()
2006-07-14 21:53:54 -07:00
compat_ioctl.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
compat.c
[PATCH] x86_64: Add compat_printk and sysctl to turn off compat layer warnings
2006-06-26 10:48:16 -07:00
dcache.c
[PATCH] lockdep: annotate dcache
2006-07-03 15:27:06 -07:00
dcookies.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
direct-io.c
[PATCH] lockdep: annotate direct io
2006-07-03 15:27:06 -07:00
dnotify.c
…
dquot.c
[PATCH] use list_add_tail() instead of list_add()
2006-06-26 09:58:17 -07:00
drop_caches.c
…
eventpoll.c
[PATCH] eventpoll.c compile fix
2006-08-27 11:01:31 -07:00
exec.c
[PATCH] fix up lockdep trace in fs/exec.c
2006-08-27 11:01:32 -07:00
fcntl.c
…
fifo.c
…
file_table.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
file.c
[PATCH] alloc_fdtable() expansion fix
2006-07-12 12:52:55 -07:00
filesystems.c
…
fs-writeback.c
[PATCH] zoned vm counters: conversion of nr_unstable to per zone counter
2006-06-30 11:25:36 -07:00
inode.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial
2006-06-30 15:39:30 -07:00
inotify_user.c
[PATCH] inotify: fix deadlock found by lockdep
2006-07-31 13:28:41 -07:00
inotify.c
…
ioctl.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
ioprio.c
[PATCH] uninline ioprio_best()
2006-08-21 10:02:50 +02:00
Kconfig
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
2006-07-13 16:38:58 -07:00
Kconfig.binfmt
…
libfs.c
[PATCH] core: use list_move()
2006-06-26 09:58:17 -07:00
locks.c
[PATCH] fcntl(F_SETSIG) fix
2006-08-14 13:10:59 -07:00
Makefile
[PATCH] devfs: Remove devfs from the kernel tree
2006-06-26 12:25:05 -07:00
mbcache.c
…
mpage.c
…
namei.c
VFS: Fix access("file", X_OK) in the presence of ACLs
2006-08-24 15:54:58 -04:00
namespace.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
nfsctl.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
open.c
[PATCH] ftruncate does not always update m/ctime
2006-06-25 10:01:15 -07:00
pipe.c
…
pnode.c
[PATCH] core: use list_move()
2006-06-26 09:58:17 -07:00
pnode.h
…
posix_acl.c
…
quota_v1.c
…
quota_v2.c
…
quota.c
…
read_write.c
[PATCH] fs/read_write.c: EXPORT_UNUSED_SYMBOL
2006-07-10 13:24:18 -07:00
readdir.c
…
select.c
[PATCH] fs: sys_poll with timeout -1 bug fix
2006-06-25 10:01:22 -07:00
seq_file.c
…
splice.c
[PATCH] splice: fix problems with sys_tee()
2006-07-10 11:00:01 +02:00
stat.c
Remove obsolete #include <linux/config.h>
2006-06-30 19:25:36 +02:00
super.c
[PATCH] add missing desctiption in super.c
2006-09-06 11:00:01 -07:00
sync.c
…
xattr_acl.c
…
xattr.c
…