SUSE CVE-2022-49547

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between concurrent dio writes when low on free data space When reserving data space for a direct IO write we can end up deadlocking if we have multiple tasks attempting a write to the same file range, there ar...

SUSE CVE-2024-49959

In the Linux kernel, the following vulnerability has been resolved: jbd2: stop waiting for space when jbd2cleanupjournaltail returns error In jbd2logwaitforspace, we might call jbd2cleanupjournaltail to recover some journal space. But if an error occurs while executing jbd2cleanupjournaltail e.g....

Understanding Garbage Collection and Coalesce Process Troubleshooting

Summary In most cases, customers have experienced issues with coalescing snapshots after deleting snapshots. At times we do notsee the reclaimed space once a snapshot is deleted. Even with an SR rescan to manually get the Garbage Collection GC to kick-in does not reclaim space. This article...