[PATCH] reiserfs: ifdef xattr_sem
Shrink reiserfs inode by 12 bytes for xattr non-users (me).
-reiser_inode_cache 356 11
+reiser_inode_cache 344 11
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: <reiserfs-dev@namesys.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 8810fda..78f23f4 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1129,7 +1129,7 @@
REISERFS_I(inode)->i_jl = NULL;
REISERFS_I(inode)->i_acl_access = NULL;
REISERFS_I(inode)->i_acl_default = NULL;
- init_rwsem(&REISERFS_I(inode)->xattr_sem);
+ reiserfs_init_xattr_rwsem(inode);
if (stat_data_v1(ih)) {
struct stat_data_v1 *sd =
@@ -1836,7 +1836,7 @@
sd_attrs_to_i_attrs(REISERFS_I(inode)->i_attrs, inode);
REISERFS_I(inode)->i_acl_access = NULL;
REISERFS_I(inode)->i_acl_default = NULL;
- init_rwsem(&REISERFS_I(inode)->xattr_sem);
+ reiserfs_init_xattr_rwsem(inode);
if (old_format_only(sb))
make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET,
diff --git a/include/linux/reiserfs_fs_i.h b/include/linux/reiserfs_fs_i.h
index 149be8d..711e7e7 100644
--- a/include/linux/reiserfs_fs_i.h
+++ b/include/linux/reiserfs_fs_i.h
@@ -55,7 +55,9 @@
struct posix_acl *i_acl_access;
struct posix_acl *i_acl_default;
+#ifdef CONFIG_REISERFS_FS_XATTR
struct rw_semaphore xattr_sem;
+#endif
struct inode vfs_inode;
};
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index 5e96103..966c358 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -97,6 +97,11 @@
inode->i_flags |= S_PRIVATE;
}
+static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
+{
+ init_rwsem(&REISERFS_I(inode)->xattr_sem);
+}
+
#else
#define is_reiserfs_priv_object(inode) 0
@@ -129,6 +134,9 @@
sb->s_flags = (sb->s_flags & ~MS_POSIXACL); /* to be sure */
return 0;
};
+static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
+{
+}
#endif
#endif /* __KERNEL__ */