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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 21730eed11, 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
5b11687924)

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
..
Makefile
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acl.c
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acl.h
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balloc.c [PATCH] EXT2: Remove superblock lock contention in ext2_statfs 2006-09-19 07:59:59 -07:00
dir.c
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ext2.h [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
file.c
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fsync.c
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ialloc.c [PATCH] EXT2: Remove superblock lock contention in ext2_statfs 2006-09-19 07:59:59 -07:00
inode.c [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
ioctl.c
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namei.c
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super.c [PATCH] EXT2: Remove superblock lock contention in ext2_statfs 2006-09-19 07:59:59 -07:00
symlink.c
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xattr.c
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xattr.h Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
xattr_security.c
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xattr_trusted.c
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xattr_user.c
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xip.c
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xip.h
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