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xfs: cleanup xlog_recover_do_trans

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Change the big if-elsif-else block handling the different item types
into a more natural switch, remove assignments in conditionals and
remove an out of place comment from centuries ago on IRIX.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2009-03-16 08:20:52 +01:00 committed by Christoph Hellwig
parent dd0bbad81c
commit ff0205e032
1 changed files with 31 additions and 34 deletions
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65
fs/xfs/xfs_log_recover.c
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@ -2763,51 +2763,48 @@ xlog_recover_do_trans(
int error = 0; int error = 0;
xlog_recover_item_t *item, *first_item; xlog_recover_item_t *item, *first_item;
if ((error = xlog_recover_reorder_trans(trans))) error = xlog_recover_reorder_trans(trans);
if (error)
return error; return error;
first_item = item = trans->r_itemq; first_item = item = trans->r_itemq;
do { do {
/* switch (ITEM_TYPE(item)) {
* we don't need to worry about the block number being case XFS_LI_BUF:
* truncated in > 1 TB buffers because in user-land, error = xlog_recover_do_buffer_trans(log, item, pass);
* we're now n32 or 64-bit so xfs_daddr_t is 64-bits so break;
* the blknos will get through the user-mode buffer case XFS_LI_INODE:
* cache properly. The only bad case is o32 kernels error = xlog_recover_do_inode_trans(log, item, pass);
* where xfs_daddr_t is 32-bits but mount will warn us break;
* off a > 1 TB filesystem before we get here. case XFS_LI_EFI:
*/ error = xlog_recover_do_efi_trans(log, item,
if ((ITEM_TYPE(item) == XFS_LI_BUF)) { trans->r_lsn, pass);
if ((error = xlog_recover_do_buffer_trans(log, item, break;
pass))) case XFS_LI_EFD:
break;
} else if ((ITEM_TYPE(item) == XFS_LI_INODE)) {
if ((error = xlog_recover_do_inode_trans(log, item,
pass)))
break;
} else if (ITEM_TYPE(item) == XFS_LI_EFI) {
if ((error = xlog_recover_do_efi_trans(log, item, trans->r_lsn,
pass)))
break;
} else if (ITEM_TYPE(item) == XFS_LI_EFD) {
xlog_recover_do_efd_trans(log, item, pass); xlog_recover_do_efd_trans(log, item, pass);
} else if (ITEM_TYPE(item) == XFS_LI_DQUOT) { error = 0;
if ((error = xlog_recover_do_dquot_trans(log, item, break;
pass))) case XFS_LI_DQUOT:
break; error = xlog_recover_do_dquot_trans(log, item, pass);
} else if ((ITEM_TYPE(item) == XFS_LI_QUOTAOFF)) { break;
if ((error = xlog_recover_do_quotaoff_trans(log, item, case XFS_LI_QUOTAOFF:
pass))) error = xlog_recover_do_quotaoff_trans(log, item,
break; pass);
} else { break;
xlog_warn("XFS: xlog_recover_do_trans"); default:
xlog_warn(
"XFS: invalid item type (%d) xlog_recover_do_trans", ITEM_TYPE(item));
ASSERT(0); ASSERT(0);
error = XFS_ERROR(EIO); error = XFS_ERROR(EIO);
break; break;
} }
if (error)
return error;
item = item->ri_next; item = item->ri_next;
} while (first_item != item); } while (first_item != item);
return error; return 0;
} }
/* /*