tag name | noalloc-ags_2022-11-09 (56f3a4ad3e7f2ed321a0c3f607d45fa23e69d189) |
tag date | 2022-11-09 19:10:39 -0800 |
tagged by | Darrick J. Wong <djwong@kernel.org> |
tagged object | commit f4fa09c97f... |
xfs: noalloc allocation groups
This series creates a new NOALLOC flag for allocation groups that causes
the block and inode allocators to look elsewhere when trying to
allocate resources. This is either the first part of a patchset to
implement online shrinking (set noalloc on the last AGs, run fsr to move
the files and directories) or freeze-free rmapbt rebuilding (set
noalloc to prevent creation of new mappings, then hook deletion of old
mappings). This is still totally a research project.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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