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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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cache.c | ||
cnode.c | ||
coda_cache.h | ||
coda_fs_i.h | ||
coda_int.h | ||
coda_linux.c | ||
coda_linux.h | ||
dir.c | ||
file.c | ||
inode.c | ||
Kconfig | ||
Makefile | ||
pioctl.c | ||
psdev.c | ||
symlink.c | ||
sysctl.c | ||
upcall.c |