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linux-2.6/fs/configfs
Nick Piggin fb045adb99 fs: dcache reduce branches in lookup path
Reduce some branches and memory accesses in dcache lookup by adding dentry
flags to indicate common d_ops are set, rather than having to check them.
This saves a pointer memory access (dentry->d_op) in common path lookup
situations, and saves another pointer load and branch in cases where we
have d_op but not the particular operation.

Patched with:

git grep -E '[.>]([[:space:]])*d_op([[:space:]])*=' | xargs sed -e 's/\([^\t ]*\)->d_op = \(.*\);/d_set_d_op(\1, \2);/' -e 's/\([^\t ]*\)\.d_op = \(.*\);/d_set_d_op(\&\1, \2);/' -i

Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-07 17:50:28 +11:00
..
Kconfig fs/Kconfig: move configfs out 2009-01-22 13:15:56 +03:00
Makefile [PATCH] configfs: User-driven configuration filesystem 2006-01-03 11:45:28 -08:00
configfs_internal.h fs: dcache remove dcache_lock 2011-01-07 17:50:23 +11:00
dir.c fs: dcache reduce branches in lookup path 2011-01-07 17:50:28 +11:00
file.c fs: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:54 -07:00
inode.c fs: dcache rationalise dget variants 2011-01-07 17:50:24 +11:00
item.c [PATCH] configfs+dlm: Rename config_group_find_obj and state semantics clearly 2007-07-10 17:02:31 -07:00
mount.c convert get_sb_single() users 2010-10-29 04:16:28 -04:00
symlink.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00