Bug 185450
| Summary: | kernel dm: log bitset fix BE find_next_zero_bit | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 4 | Reporter: | Alasdair Kergon <agk> |
| Component: | kernel | Assignee: | Alasdair Kergon <agk> |
| Status: | CLOSED ERRATA | QA Contact: | Brian Brock <bbrock> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 4.0 | CC: | jbaron |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | RHSA-2006-0575 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2006-08-10 22:41:54 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 181409 | ||
committed in stream u4 build 34.9. A test kernel with this patch is available from http://people.redhat.com/~jbaron/rhel4/ An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2006-0575.html |
From: Stefan Bader <shbader.com> This is an addition to the endian fixes that introduce ext2_* versions of the set and clear bit functions. The find_next_zero_bit also has to be the ext2 one. Otherwise the mirror target tries to recover non-existent regions beyond the end of device. Signed-Off-By: Stefan Bader <shbader.com> Signed-Off-By: Alasdair G Kergon <agk> Index: linux-2.6.16-rc1/drivers/md/dm-log.c =================================================================== --- linux-2.6.16-rc1.orig/drivers/md/dm-log.c 2006-01-23 21:22:19.000000000 +0000 +++ linux-2.6.16-rc1/drivers/md/dm-log.c 2006-02-01 20:54:50.000000000 +0000 @@ -545,7 +545,8 @@ static int core_get_resync_work(struct d return 0; do { - *region = find_next_zero_bit((unsigned long *) lc->sync_bits, + *region = ext2_find_next_zero_bit( + (unsigned long *) lc->sync_bits, lc->region_count, lc->sync_search); lc->sync_search = *region + 1;