posix_acl: uninlining

Uninline vast tracts of nested inline functions in
include/linux/posix_acl.h.

This reduces the text+data+bss size of x86_64 allyesconfig vmlinux by
8026 bytes.

The patch also regularises the positioning of the EXPORT_SYMBOLs in
posix_acl.c.

Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: J. Bruce Fields <bfields@fieldses.org>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Tested-by: Benny Halevy <bhalevy@primarydata.com>
Cc: Benny Halevy <bhalevy@panasas.com>
Cc: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 72 deletions

diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h
index 7931efe71175..fb616942e4c7 100644
--- a/include/linux/posix_acl.h
+++ b/include/linux/posix_acl.h
@@ -94,78 +94,12 @@ extern int posix_acl_chmod(struct posix_acl **, gfp_t, umode_t);
 extern struct posix_acl *get_posix_acl(struct inode *, int);
 extern int set_posix_acl(struct inode *, int, struct posix_acl *);
 
-#ifdef CONFIG_FS_POSIX_ACL
-static inline struct posix_acl **acl_by_type(struct inode *inode, int type)
-{
-        switch (type) {
-        case ACL_TYPE_ACCESS:
-                return &inode->i_acl;
-        case ACL_TYPE_DEFAULT:
-                return &inode->i_default_acl;
-        default:
-                BUG();
-        }
-}
-
-static inline struct posix_acl *get_cached_acl(struct inode *inode, int type)
-{
-        struct posix_acl **p = acl_by_type(inode, type);
-        struct posix_acl *acl = ACCESS_ONCE(*p);
-        if (acl) {
-                spin_lock(&inode->i_lock);
-                acl = *p;
-                if (acl != ACL_NOT_CACHED)
-                        acl = posix_acl_dup(acl);
-                spin_unlock(&inode->i_lock);
-        }
-        return acl;
-}
-
-static inline struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type)
-{
-        return rcu_dereference(*acl_by_type(inode, type));
-}
-
-static inline void set_cached_acl(struct inode *inode,
-                                  int type,
-                                  struct posix_acl *acl)
-{
-        struct posix_acl **p = acl_by_type(inode, type);
-        struct posix_acl *old;
-        spin_lock(&inode->i_lock);
-        old = *p;
-        rcu_assign_pointer(*p, posix_acl_dup(acl));
-        spin_unlock(&inode->i_lock);
-        if (old != ACL_NOT_CACHED)
-                posix_acl_release(old);
-}
-
-static inline void forget_cached_acl(struct inode *inode, int type)
-{
-        struct posix_acl **p = acl_by_type(inode, type);
-        struct posix_acl *old;
-        spin_lock(&inode->i_lock);
-        old = *p;
-        *p = ACL_NOT_CACHED;
-        spin_unlock(&inode->i_lock);
-        if (old != ACL_NOT_CACHED)
-                posix_acl_release(old);
-}
-
-static inline void forget_all_cached_acls(struct inode *inode)
-{
-        struct posix_acl *old_access, *old_default;
-        spin_lock(&inode->i_lock);
-        old_access = inode->i_acl;
-        old_default = inode->i_default_acl;
-        inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED;
-        spin_unlock(&inode->i_lock);
-        if (old_access != ACL_NOT_CACHED)
-                posix_acl_release(old_access);
-        if (old_default != ACL_NOT_CACHED)
-                posix_acl_release(old_default);
-}
-#endif
+struct posix_acl **acl_by_type(struct inode *inode, int type);
+struct posix_acl *get_cached_acl(struct inode *inode, int type);
+struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type);
+void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl);
+void forget_cached_acl(struct inode *inode, int type);
+void forget_all_cached_acls(struct inode *inode);
 
 static inline void cache_no_acl(struct inode *inode)
 {