73aac4aa41
Check in the DMU whether an object record in a send stream being received contains an unsupported dnode slot count, and return an error if it does. Failure to catch an unsupported dnode slot count would result in a panic when the SPA attempts to increment the reference count for the large_dnode feature and the pool has the feature disabled. This is not normally an issue for a well-formed send stream which would have the DMU_BACKUP_FEATURE_LARGE_DNODE flag set if it contains large dnodes, so it will be rejected as unsupported if the required feature is disabled. This change adds a missing object record field validation. Add missing stream feature flag checks in dmu_recv_resume_begin_check(). Consolidate repetitive comment blocks in dmu_recv_begin_check(). Update zstreamdump to print the dnode slot count (dn_slots) for an object record when running in verbose mode. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Signed-off-by: Ned Bass <bass6@llnl.gov> Closes #6396 |
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README.markdown
ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers. And it's native!
Official Resources
Installation
Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.
Contribute & Develop
We have a separate document with contribution guidelines.