diff options
-rw-r--r-- | fs/xfs/scrub/inode.c | 102 |
1 files changed, 13 insertions, 89 deletions
diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c index 21297bef8df1..177e9788030d 100644 --- a/fs/xfs/scrub/inode.c +++ b/fs/xfs/scrub/inode.c @@ -515,72 +515,6 @@ xfs_scrub_dinode( } } -/* Map and read a raw inode. */ -STATIC int -xfs_scrub_inode_map_raw( - struct xfs_scrub_context *sc, - xfs_ino_t ino, - struct xfs_buf **bpp, - struct xfs_dinode **dipp) -{ - struct xfs_imap imap; - struct xfs_mount *mp = sc->mp; - struct xfs_buf *bp = NULL; - struct xfs_dinode *dip; - int error; - - error = xfs_imap(mp, sc->tp, ino, &imap, XFS_IGET_UNTRUSTED); - if (error == -EINVAL) { - /* - * Inode could have gotten deleted out from under us; - * just forget about it. - */ - error = -ENOENT; - goto out; - } - if (!xfs_scrub_process_error(sc, XFS_INO_TO_AGNO(mp, ino), - XFS_INO_TO_AGBNO(mp, ino), &error)) - goto out; - - error = xfs_trans_read_buf(mp, sc->tp, mp->m_ddev_targp, - imap.im_blkno, imap.im_len, XBF_UNMAPPED, &bp, - NULL); - if (!xfs_scrub_process_error(sc, XFS_INO_TO_AGNO(mp, ino), - XFS_INO_TO_AGBNO(mp, ino), &error)) - goto out; - - /* - * Is this really an inode? We disabled verifiers in the above - * xfs_trans_read_buf call because the inode buffer verifier - * fails on /any/ inode record in the inode cluster with a bad - * magic or version number, not just the one that we're - * checking. Therefore, grab the buffer unconditionally, attach - * the inode verifiers by hand, and run the inode verifier only - * on the one inode we want. - */ - bp->b_ops = &xfs_inode_buf_ops; - dip = xfs_buf_offset(bp, imap.im_boffset); - if (xfs_dinode_verify(mp, ino, dip) != NULL || - !xfs_dinode_good_version(mp, dip->di_version)) { - xfs_scrub_ino_set_corrupt(sc, ino, bp); - goto out_buf; - } - - /* ...and is it the one we asked for? */ - if (be32_to_cpu(dip->di_gen) != sc->sm->sm_gen) { - error = -ENOENT; - goto out_buf; - } - - *dipp = dip; - *bpp = bp; -out: - return error; -out_buf: - xfs_trans_brelse(sc->tp, bp); - return error; -} - /* * Make sure the finobt doesn't think this inode is free. * We don't have to check the inobt ourselves because we got the inode via @@ -727,43 +661,33 @@ xfs_scrub_inode( struct xfs_scrub_context *sc) { struct xfs_dinode di; - struct xfs_buf *bp = NULL; - struct xfs_dinode *dip; - xfs_ino_t ino; int error = 0; - /* Did we get the in-core inode, or are we doing this manually? */ - if (sc->ip) { - ino = sc->ip->i_ino; - xfs_inode_to_disk(sc->ip, &di, 0); - dip = &di; - } else { - /* Map & read inode. */ - ino = sc->sm->sm_ino; - error = xfs_scrub_inode_map_raw(sc, ino, &bp, &dip); - if (error || !bp) - goto out; + /* + * If sc->ip is NULL, that means that the setup function called + * xfs_iget to look up the inode. xfs_iget returned a EFSCORRUPTED + * and a NULL inode, so flag the corruption error and return. + */ + if (!sc->ip) { + xfs_scrub_ino_set_corrupt(sc, sc->sm->sm_ino, NULL); + return 0; } - xfs_scrub_dinode(sc, bp, dip, ino); + /* Scrub the inode core. */ + xfs_inode_to_disk(sc->ip, &di, 0); + xfs_scrub_dinode(sc, NULL, &di, sc->ip->i_ino); if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT) goto out; - /* Now let's do the things that require a live inode. */ - if (!sc->ip) - goto out; - /* * Look for discrepancies between file's data blocks and the reflink * iflag. We already checked the iflag against the file mode when * we scrubbed the dinode. */ if (S_ISREG(VFS_I(sc->ip)->i_mode)) - xfs_scrub_inode_check_reflink_iflag(sc, ino, bp); + xfs_scrub_inode_check_reflink_iflag(sc, sc->ip->i_ino, NULL); - xfs_scrub_inode_xref(sc, ino, dip); + xfs_scrub_inode_xref(sc, sc->ip->i_ino, &di); out: - if (bp) - xfs_trans_brelse(sc->tp, bp); return error; } |