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@@ -49,24 +49,40 @@ xfs_internal_inum(
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(ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino)));
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}
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-STATIC int
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-xfs_bulkstat_one_iget(
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- xfs_mount_t *mp, /* mount point for filesystem */
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- xfs_ino_t ino, /* inode number to get data for */
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- xfs_daddr_t bno, /* starting bno of inode cluster */
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- xfs_bstat_t *buf, /* return buffer */
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- int *stat) /* BULKSTAT_RV_... */
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+/*
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+ * Return stat information for one inode.
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+ * Return 0 if ok, else errno.
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+ */
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+int
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+xfs_bulkstat_one_int(
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+ struct xfs_mount *mp, /* mount point for filesystem */
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+ xfs_ino_t ino, /* inode to get data for */
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+ void __user *buffer, /* buffer to place output in */
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+ int ubsize, /* size of buffer */
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+ bulkstat_one_fmt_pf formatter, /* formatter, copy to user */
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+ int *ubused, /* bytes used by me */
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+ int *stat) /* BULKSTAT_RV_... */
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{
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- xfs_icdinode_t *dic; /* dinode core info pointer */
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- xfs_inode_t *ip; /* incore inode pointer */
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- struct inode *inode;
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- int error;
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+ struct xfs_icdinode *dic; /* dinode core info pointer */
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+ struct xfs_inode *ip; /* incore inode pointer */
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+ struct inode *inode;
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+ struct xfs_bstat *buf; /* return buffer */
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+ int error = 0; /* error value */
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+
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+ *stat = BULKSTAT_RV_NOTHING;
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+
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+ if (!buffer || xfs_internal_inum(mp, ino))
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+ return XFS_ERROR(EINVAL);
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+
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+ buf = kmem_alloc(sizeof(*buf), KM_SLEEP | KM_MAYFAIL);
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+ if (!buf)
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+ return XFS_ERROR(ENOMEM);
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error = xfs_iget(mp, NULL, ino,
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- XFS_IGET_BULKSTAT, XFS_ILOCK_SHARED, &ip, bno);
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+ XFS_IGET_UNTRUSTED, XFS_ILOCK_SHARED, &ip);
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if (error) {
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*stat = BULKSTAT_RV_NOTHING;
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- return error;
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+ goto out_free;
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}
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ASSERT(ip != NULL);
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@@ -127,77 +143,16 @@ xfs_bulkstat_one_iget(
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buf->bs_blocks = dic->di_nblocks + ip->i_delayed_blks;
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break;
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}
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-
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xfs_iput(ip, XFS_ILOCK_SHARED);
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- return error;
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-}
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-STATIC void
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-xfs_bulkstat_one_dinode(
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- xfs_mount_t *mp, /* mount point for filesystem */
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- xfs_ino_t ino, /* inode number to get data for */
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- xfs_dinode_t *dic, /* dinode inode pointer */
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- xfs_bstat_t *buf) /* return buffer */
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-{
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- /*
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- * The inode format changed when we moved the link count and
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- * made it 32 bits long. If this is an old format inode,
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- * convert it in memory to look like a new one. If it gets
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- * flushed to disk we will convert back before flushing or
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- * logging it. We zero out the new projid field and the old link
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- * count field. We'll handle clearing the pad field (the remains
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- * of the old uuid field) when we actually convert the inode to
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- * the new format. We don't change the version number so that we
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- * can distinguish this from a real new format inode.
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- */
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- if (dic->di_version == 1) {
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- buf->bs_nlink = be16_to_cpu(dic->di_onlink);
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- buf->bs_projid = 0;
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- } else {
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- buf->bs_nlink = be32_to_cpu(dic->di_nlink);
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- buf->bs_projid = be16_to_cpu(dic->di_projid);
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- }
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+ error = formatter(buffer, ubsize, ubused, buf);
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- buf->bs_ino = ino;
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- buf->bs_mode = be16_to_cpu(dic->di_mode);
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- buf->bs_uid = be32_to_cpu(dic->di_uid);
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- buf->bs_gid = be32_to_cpu(dic->di_gid);
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- buf->bs_size = be64_to_cpu(dic->di_size);
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- buf->bs_atime.tv_sec = be32_to_cpu(dic->di_atime.t_sec);
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- buf->bs_atime.tv_nsec = be32_to_cpu(dic->di_atime.t_nsec);
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- buf->bs_mtime.tv_sec = be32_to_cpu(dic->di_mtime.t_sec);
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- buf->bs_mtime.tv_nsec = be32_to_cpu(dic->di_mtime.t_nsec);
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- buf->bs_ctime.tv_sec = be32_to_cpu(dic->di_ctime.t_sec);
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- buf->bs_ctime.tv_nsec = be32_to_cpu(dic->di_ctime.t_nsec);
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- buf->bs_xflags = xfs_dic2xflags(dic);
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- buf->bs_extsize = be32_to_cpu(dic->di_extsize) << mp->m_sb.sb_blocklog;
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- buf->bs_extents = be32_to_cpu(dic->di_nextents);
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- buf->bs_gen = be32_to_cpu(dic->di_gen);
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- memset(buf->bs_pad, 0, sizeof(buf->bs_pad));
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- buf->bs_dmevmask = be32_to_cpu(dic->di_dmevmask);
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- buf->bs_dmstate = be16_to_cpu(dic->di_dmstate);
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- buf->bs_aextents = be16_to_cpu(dic->di_anextents);
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- buf->bs_forkoff = XFS_DFORK_BOFF(dic);
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+ if (!error)
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+ *stat = BULKSTAT_RV_DIDONE;
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- switch (dic->di_format) {
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- case XFS_DINODE_FMT_DEV:
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- buf->bs_rdev = xfs_dinode_get_rdev(dic);
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- buf->bs_blksize = BLKDEV_IOSIZE;
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- buf->bs_blocks = 0;
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- break;
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- case XFS_DINODE_FMT_LOCAL:
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- case XFS_DINODE_FMT_UUID:
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- buf->bs_rdev = 0;
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- buf->bs_blksize = mp->m_sb.sb_blocksize;
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- buf->bs_blocks = 0;
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- break;
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- case XFS_DINODE_FMT_EXTENTS:
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- case XFS_DINODE_FMT_BTREE:
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- buf->bs_rdev = 0;
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- buf->bs_blksize = mp->m_sb.sb_blocksize;
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- buf->bs_blocks = be64_to_cpu(dic->di_nblocks);
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- break;
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- }
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+ out_free:
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+ kmem_free(buf);
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+ return error;
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}
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/* Return 0 on success or positive error */
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@@ -217,118 +172,17 @@ xfs_bulkstat_one_fmt(
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return 0;
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}
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-/*
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- * Return stat information for one inode.
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- * Return 0 if ok, else errno.
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- */
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-int /* error status */
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-xfs_bulkstat_one_int(
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- xfs_mount_t *mp, /* mount point for filesystem */
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- xfs_ino_t ino, /* inode number to get data for */
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- void __user *buffer, /* buffer to place output in */
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- int ubsize, /* size of buffer */
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- bulkstat_one_fmt_pf formatter, /* formatter, copy to user */
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- xfs_daddr_t bno, /* starting bno of inode cluster */
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- int *ubused, /* bytes used by me */
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- void *dibuff, /* on-disk inode buffer */
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- int *stat) /* BULKSTAT_RV_... */
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-{
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- xfs_bstat_t *buf; /* return buffer */
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- int error = 0; /* error value */
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- xfs_dinode_t *dip; /* dinode inode pointer */
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-
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- dip = (xfs_dinode_t *)dibuff;
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- *stat = BULKSTAT_RV_NOTHING;
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-
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- if (!buffer || xfs_internal_inum(mp, ino))
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- return XFS_ERROR(EINVAL);
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-
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- buf = kmem_alloc(sizeof(*buf), KM_SLEEP);
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-
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- if (dip == NULL) {
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- /* We're not being passed a pointer to a dinode. This happens
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- * if BULKSTAT_FG_IGET is selected. Do the iget.
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- */
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- error = xfs_bulkstat_one_iget(mp, ino, bno, buf, stat);
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- if (error)
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- goto out_free;
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- } else {
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- xfs_bulkstat_one_dinode(mp, ino, dip, buf);
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- }
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-
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- error = formatter(buffer, ubsize, ubused, buf);
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- if (error)
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- goto out_free;
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-
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- *stat = BULKSTAT_RV_DIDONE;
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-
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- out_free:
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- kmem_free(buf);
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- return error;
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-}
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-
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int
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xfs_bulkstat_one(
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xfs_mount_t *mp, /* mount point for filesystem */
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xfs_ino_t ino, /* inode number to get data for */
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void __user *buffer, /* buffer to place output in */
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int ubsize, /* size of buffer */
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- void *private_data, /* my private data */
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- xfs_daddr_t bno, /* starting bno of inode cluster */
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int *ubused, /* bytes used by me */
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- void *dibuff, /* on-disk inode buffer */
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int *stat) /* BULKSTAT_RV_... */
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{
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return xfs_bulkstat_one_int(mp, ino, buffer, ubsize,
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- xfs_bulkstat_one_fmt, bno,
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- ubused, dibuff, stat);
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-}
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-
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-/*
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- * Test to see whether we can use the ondisk inode directly, based
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- * on the given bulkstat flags, filling in dipp accordingly.
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- * Returns zero if the inode is dodgey.
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- */
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-STATIC int
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-xfs_bulkstat_use_dinode(
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- xfs_mount_t *mp,
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- int flags,
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- xfs_buf_t *bp,
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- int clustidx,
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- xfs_dinode_t **dipp)
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-{
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- xfs_dinode_t *dip;
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- unsigned int aformat;
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-
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- *dipp = NULL;
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- if (!bp || (flags & BULKSTAT_FG_IGET))
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- return 1;
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|
- dip = (xfs_dinode_t *)
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- xfs_buf_offset(bp, clustidx << mp->m_sb.sb_inodelog);
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- /*
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- * Check the buffer containing the on-disk inode for di_mode == 0.
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- * This is to prevent xfs_bulkstat from picking up just reclaimed
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- * inodes that have their in-core state initialized but not flushed
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- * to disk yet. This is a temporary hack that would require a proper
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- * fix in the future.
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- */
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- if (be16_to_cpu(dip->di_magic) != XFS_DINODE_MAGIC ||
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- !XFS_DINODE_GOOD_VERSION(dip->di_version) ||
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|
|
- !dip->di_mode)
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|
- return 0;
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|
|
- if (flags & BULKSTAT_FG_QUICK) {
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|
- *dipp = dip;
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|
- return 1;
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|
|
- }
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|
|
- /* BULKSTAT_FG_INLINE: if attr fork is local, or not there, use it */
|
|
|
- aformat = dip->di_aformat;
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|
|
- if ((XFS_DFORK_Q(dip) == 0) ||
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- (aformat == XFS_DINODE_FMT_LOCAL) ||
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|
|
- (aformat == XFS_DINODE_FMT_EXTENTS && !dip->di_anextents)) {
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|
|
- *dipp = dip;
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|
|
- return 1;
|
|
|
- }
|
|
|
- return 1;
|
|
|
+ xfs_bulkstat_one_fmt, ubused, stat);
|
|
|
}
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|
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|
|
#define XFS_BULKSTAT_UBLEFT(ubleft) ((ubleft) >= statstruct_size)
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@@ -342,10 +196,8 @@ xfs_bulkstat(
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xfs_ino_t *lastinop, /* last inode returned */
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int *ubcountp, /* size of buffer/count returned */
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bulkstat_one_pf formatter, /* func that'd fill a single buf */
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|
- void *private_data,/* private data for formatter */
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size_t statstruct_size, /* sizeof struct filling */
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char __user *ubuffer, /* buffer with inode stats */
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|
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- int flags, /* defined in xfs_itable.h */
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int *done) /* 1 if there are more stats to get */
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|
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{
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|
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xfs_agblock_t agbno=0;/* allocation group block number */
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@@ -380,14 +232,12 @@ xfs_bulkstat(
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int ubelem; /* spaces used in user's buffer */
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int ubused; /* bytes used by formatter */
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|
xfs_buf_t *bp; /* ptr to on-disk inode cluster buf */
|
|
|
- xfs_dinode_t *dip; /* ptr into bp for specific inode */
|
|
|
|
|
|
/*
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|
* Get the last inode value, see if there's nothing to do.
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|
*/
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ino = (xfs_ino_t)*lastinop;
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|
lastino = ino;
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|
|
- dip = NULL;
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|
agno = XFS_INO_TO_AGNO(mp, ino);
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agino = XFS_INO_TO_AGINO(mp, ino);
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|
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if (agno >= mp->m_sb.sb_agcount ||
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|
@@ -612,37 +462,6 @@ xfs_bulkstat(
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irbp->ir_startino) +
|
|
|
((chunkidx & nimask) >>
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|
|
mp->m_sb.sb_inopblog);
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|
|
-
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|
|
- if (flags & (BULKSTAT_FG_QUICK |
|
|
|
- BULKSTAT_FG_INLINE)) {
|
|
|
- int offset;
|
|
|
-
|
|
|
- ino = XFS_AGINO_TO_INO(mp, agno,
|
|
|
- agino);
|
|
|
- bno = XFS_AGB_TO_DADDR(mp, agno,
|
|
|
- agbno);
|
|
|
-
|
|
|
- /*
|
|
|
- * Get the inode cluster buffer
|
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|
- */
|
|
|
- if (bp)
|
|
|
- xfs_buf_relse(bp);
|
|
|
-
|
|
|
- error = xfs_inotobp(mp, NULL, ino, &dip,
|
|
|
- &bp, &offset,
|
|
|
- XFS_IGET_BULKSTAT);
|
|
|
-
|
|
|
- if (!error)
|
|
|
- clustidx = offset / mp->m_sb.sb_inodesize;
|
|
|
- if (XFS_TEST_ERROR(error != 0,
|
|
|
- mp, XFS_ERRTAG_BULKSTAT_READ_CHUNK,
|
|
|
- XFS_RANDOM_BULKSTAT_READ_CHUNK)) {
|
|
|
- bp = NULL;
|
|
|
- ubleft = 0;
|
|
|
- rval = error;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
}
|
|
|
ino = XFS_AGINO_TO_INO(mp, agno, agino);
|
|
|
bno = XFS_AGB_TO_DADDR(mp, agno, agbno);
|
|
|
@@ -658,35 +477,13 @@ xfs_bulkstat(
|
|
|
* when the chunk is used up.
|
|
|
*/
|
|
|
irbp->ir_freecount++;
|
|
|
- if (!xfs_bulkstat_use_dinode(mp, flags, bp,
|
|
|
- clustidx, &dip)) {
|
|
|
- lastino = ino;
|
|
|
- continue;
|
|
|
- }
|
|
|
- /*
|
|
|
- * If we need to do an iget, cannot hold bp.
|
|
|
- * Drop it, until starting the next cluster.
|
|
|
- */
|
|
|
- if ((flags & BULKSTAT_FG_INLINE) && !dip) {
|
|
|
- if (bp)
|
|
|
- xfs_buf_relse(bp);
|
|
|
- bp = NULL;
|
|
|
- }
|
|
|
|
|
|
/*
|
|
|
* Get the inode and fill in a single buffer.
|
|
|
- * BULKSTAT_FG_QUICK uses dip to fill it in.
|
|
|
- * BULKSTAT_FG_IGET uses igets.
|
|
|
- * BULKSTAT_FG_INLINE uses dip if we have an
|
|
|
- * inline attr fork, else igets.
|
|
|
- * See: xfs_bulkstat_one & xfs_dm_bulkstat_one.
|
|
|
- * This is also used to count inodes/blks, etc
|
|
|
- * in xfs_qm_quotacheck.
|
|
|
*/
|
|
|
ubused = statstruct_size;
|
|
|
- error = formatter(mp, ino, ubufp,
|
|
|
- ubleft, private_data,
|
|
|
- bno, &ubused, dip, &fmterror);
|
|
|
+ error = formatter(mp, ino, ubufp, ubleft,
|
|
|
+ &ubused, &fmterror);
|
|
|
if (fmterror == BULKSTAT_RV_NOTHING) {
|
|
|
if (error && error != ENOENT &&
|
|
|
error != EINVAL) {
|
|
|
@@ -778,8 +575,7 @@ xfs_bulkstat_single(
|
|
|
*/
|
|
|
|
|
|
ino = (xfs_ino_t)*lastinop;
|
|
|
- error = xfs_bulkstat_one(mp, ino, buffer, sizeof(xfs_bstat_t),
|
|
|
- NULL, 0, NULL, NULL, &res);
|
|
|
+ error = xfs_bulkstat_one(mp, ino, buffer, sizeof(xfs_bstat_t), 0, &res);
|
|
|
if (error) {
|
|
|
/*
|
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* Special case way failed, do it the "long" way
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@@ -788,8 +584,7 @@ xfs_bulkstat_single(
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(*lastinop)--;
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count = 1;
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if (xfs_bulkstat(mp, lastinop, &count, xfs_bulkstat_one,
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- NULL, sizeof(xfs_bstat_t), buffer,
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- BULKSTAT_FG_IGET, done))
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+ sizeof(xfs_bstat_t), buffer, done))
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return error;
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if (count == 0 || (xfs_ino_t)*lastinop != ino)
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return error == EFSCORRUPTED ?
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Linus Torvalds