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authorDarrick J. Wong <darrick.wong@oracle.com>2019-07-03 20:36:27 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2019-07-03 20:36:27 -0700
commit5f19c7fc6873351a3d81bbbb98c928343902d8d6 (patch)
treeb55f57cbbc13452bd06d5b42309459e34867fbb8 /fs/xfs/libxfs
parent7035f9724f8497c709077c08df2073bfcde9c2f5 (diff)
xfs: introduce v5 inode group structure
Introduce a new "v5" inode group structure that fixes the alignment and padding problems of the existing structure. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs')
-rw-r--r--fs/xfs/libxfs/xfs_fs.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index 132e364eb141..8b8fe78511fb 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -445,6 +445,17 @@ struct xfs_inogrp {
__u64 xi_allocmask; /* mask of allocated inodes */
};
+/* New inumbers structure that reports v5 features and fixes padding issues */
+struct xfs_inumbers {
+ uint64_t xi_startino; /* starting inode number */
+ uint64_t xi_allocmask; /* mask of allocated inodes */
+ uint8_t xi_alloccount; /* # bits set in allocmask */
+ uint8_t xi_version; /* version */
+ uint8_t xi_padding[6]; /* zero */
+};
+
+#define XFS_INUMBERS_VERSION_V1 (1)
+#define XFS_INUMBERS_VERSION_V5 (5)
/*
* Error injection.