[XFS] stop using xfs_itobp in xfs_bulkstat

xfs_bulkstat only wants the dinode, offset and buffer from a given inode
number. Instead of using xfs_itobp on a fake inode which is complicated
and currently leads to leaks of the security data just use xfs_inotobp
which is designed to do exactly the kind of lookup xfs_bulkstat wants. The
only thing that's missing in xfs_inotobp is a flags paramter that let's us
pass down XFS_IMAP_BULKSTAT, but that can easily added.

SGI-PV: 987246

SGI-Modid: xfs-linux-melb:xfs-kern:32397a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index a5aeb9cfeae8..5d12cfeb43c5 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -158,7 +158,7 @@ typedef struct xfs_icdinode {
 #define XFS_IFEXTIREC   0x08    /* Indirection array of extent blocks */
 
 /*
- * Flags for xfs_itobp(), xfs_imap() and xfs_dilocate().
+ * Flags for xfs_inotobp, xfs_itobp(), xfs_imap() and xfs_dilocate().
  */
 #define XFS_IMAP_LOOKUP         0x1
 #define XFS_IMAP_BULKSTAT       0x2
@@ -514,7 +514,6 @@ int		xfs_itruncate_finish(struct xfs_trans **, xfs_inode_t *,
                                      xfs_fsize_t, int, int);
 int             xfs_iunlink(struct xfs_trans *, xfs_inode_t *);
 
-struct xfs_inode * xfs_inode_alloc(struct xfs_mount *, xfs_ino_t);
 void            xfs_idestroy(xfs_inode_t *);
 void            xfs_iextract(xfs_inode_t *);
 void            xfs_iext_realloc(xfs_inode_t *, int, int);
@@ -531,6 +530,9 @@ void		xfs_mark_inode_dirty_sync(xfs_inode_t *);
 
 #endif /* __KERNEL__ */
 
+int             xfs_inotobp(struct xfs_mount *, struct xfs_trans *,
+                            xfs_ino_t, struct xfs_dinode **,
+                            struct xfs_buf **, int *, uint);
 int             xfs_itobp(struct xfs_mount *, struct xfs_trans *,
                           struct xfs_inode *, struct xfs_dinode **,
                           struct xfs_buf **, xfs_daddr_t, uint, uint);