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8c0a853770
There's no reason to call rcu_barrier() on every deactivate_locked_super(). We only need to make sure that all delayed rcu free inodes are flushed before we destroy related cache. Removing rcu_barrier() from deactivate_locked_super() affects some fast paths. E.g. on my machine exit_group() of a last process in IPC namespace takes 0.07538s. rcu_barrier() takes 0.05188s of that time. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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| befs_fs_types.h | ||
| befs.h | ||
| btree.c | ||
| btree.h | ||
| ChangeLog | ||
| datastream.c | ||
| datastream.h | ||
| debug.c | ||
| endian.h | ||
| inode.c | ||
| inode.h | ||
| io.c | ||
| io.h | ||
| Kconfig | ||
| linuxvfs.c | ||
| Makefile | ||
| super.c | ||
| super.h | ||
| TODO | ||