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| author | Darrick J. Wong <djwong@kernel.org> | 2024-08-07 11:48:03 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2024-11-07 15:23:59 -0800 |
| commit | f44e8ef406427ece18f637278a42acbb4ac974d2 (patch) | |
| tree | f82855ec02e84df2456ab2410c3fa391d42f5bac | |
| parent | 1489ef13c84b8391e6643125378128e7acacb2d4 (diff) | |
| download | xfs-documentation-realtime-groups.tar.gz | |
design: update metadump v2 format to reflect rt dumpsrealtime-groups_2024-11-07realtime-groups
Update the metadump v2 format documentation to add realtime device
dumps.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
| -rw-r--r-- | design/XFS_Filesystem_Structure/metadump.asciidoc | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/design/XFS_Filesystem_Structure/metadump.asciidoc b/design/XFS_Filesystem_Structure/metadump.asciidoc index a32d642..226622c 100644 --- a/design/XFS_Filesystem_Structure/metadump.asciidoc +++ b/design/XFS_Filesystem_Structure/metadump.asciidoc @@ -119,7 +119,16 @@ Dump contains external log contents. |===== *xmh_incompat_flags*:: -Must be zero. +A combination of the following flags: + +.Metadump v2 incompat flags +[options="header"] +|===== +| Flag | Description +| +XFS_MD2_INCOMPAT_RTDEVICE+ | +Dump contains realtime device contents. + +|===== *xmh_reserved*:: Must be zero. @@ -143,6 +152,7 @@ Bits 55-56 determine the device from which the metadata dump data was extracted. | Value | Description | 0 | Data device | 1 | External log +| 2 | Realtime device |===== The lower 54 bits determine the device address from which the dump data was |