diff options
author | Joel Becker <joel.becker@oracle.com> | 2008-12-09 14:24:33 -0800 |
---|---|---|
committer | Mark Fasheh <mfasheh@suse.com> | 2009-01-05 08:40:32 -0800 |
commit | 2a50a743bdaab104155bd9e988d2ba3bb4177263 (patch) | |
tree | a330bfffe09dfca4340075bd9c44f632a3284469 /fs/ocfs2/xattr.h | |
parent | 4d0e214ee83185fcaa2cb97cd026d32bdc5c994a (diff) | |
download | linux-2a50a743bdaab104155bd9e988d2ba3bb4177263.tar.gz linux-2a50a743bdaab104155bd9e988d2ba3bb4177263.tar.bz2 linux-2a50a743bdaab104155bd9e988d2ba3bb4177263.zip |
ocfs2: Create ocfs2_xattr_value_buf.
When an ocfs2 extended attribute is large enough to require its own
allocation tree, we root it with an ocfs2_xattr_value_root. However,
these roots can be a part of inodes, xattr blocks, or xattr buckets.
Thus, they need a different journal access function for each container.
We wrap the bh, its journal access function, and the value root (xv) in
a structure called ocfs2_xattr_valu_buf. This is a package that can
be passed around. In this first pass, we simply pass it to the
extent tree code.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs/ocfs2/xattr.h')
-rw-r--r-- | fs/ocfs2/xattr.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 9a67e7d8f812..5a1ebc789f7e 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -70,4 +70,18 @@ int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *, int, struct ocfs2_security_xattr_info *, int *, int *, struct ocfs2_alloc_context **); +/* + * xattrs can live inside an inode, as part of an external xattr block, + * or inside an xattr bucket, which is the leaf of a tree rooted in an + * xattr block. Some of the xattr calls, especially the value setting + * functions, want to treat each of these locations as equal. Let's wrap + * them in a structure that we can pass around instead of raw buffer_heads. + */ +struct ocfs2_xattr_value_buf { + struct buffer_head *vb_bh; + ocfs2_journal_access_func vb_access; + struct ocfs2_xattr_value_root *vb_xv; +}; + + #endif /* OCFS2_XATTR_H */ |