mirror of https://gitee.com/openkylin/linux.git
fb045adb99
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> |
||
|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| bitmap.c | ||
| dir.c | ||
| file.c | ||
| inode.c | ||
| itree_common.c | ||
| itree_v1.c | ||
| itree_v2.c | ||
| minix.h | ||
| namei.c | ||