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[Qemu-devel] [PATCH 07/19] qcow2: Restore L1 entry on l2_allocate failur
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 07/19] qcow2: Restore L1 entry on l2_allocate failure |
Date: |
Tue, 15 Jun 2010 16:19:29 +0200 |
If writing the L1 table to disk failed, we need to restore its old content in
memory to avoid inconsistencies.
Reported-by: Juan Quintela <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block/qcow2-cluster.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 03a9f25..5760ad6 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -285,6 +285,7 @@ static int l2_allocate(BlockDriverState *bs, int l1_index,
uint64_t **table)
return 0;
fail:
+ s->l1_table[l1_index] = old_l2_offset;
qcow2_l2_cache_reset(bs);
return ret;
}
--
1.6.6.1
- [Qemu-devel] [PULL 00/19] Block patches, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 01/19] vpc: Read/write multiple sectors at once, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 03/19] qcow2: Allow alloc_clusters_noref to return errors, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 02/19] qcow2: Allow get_refcount to return errors, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 04/19] qcow2: Return real error code in load_refcount_block, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 05/19] savevm: Really verify if a drive supports snapshots, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 07/19] qcow2: Restore L1 entry on l2_allocate failure,
Kevin Wolf <=
- [Qemu-devel] [PATCH 08/19] cow: use pread/pwrite, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 06/19] Fix regression for "-drive file=", Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 10/19] cow: use qemu block API, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 14/19] block: New bdrv_next(), Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 12/19] block: Decouple block device "commit all" from DriveInfo, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 13/19] monitor: Make "commit FOO" complain when FOO doesn't exist, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 11/19] block: Move error actions from DriveInfo to BlockDriverState, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 15/19] block: Decouple savevm from DriveInfo, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 09/19] cow: stop using mmap, Kevin Wolf, 2010/06/15
- [Qemu-devel] [PATCH 17/19] Correct definitions for FD_CMD_SAVE and FD_CMD_RESTORE, Kevin Wolf, 2010/06/15