diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-11-09 01:52:06 +0300 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-11-11 03:54:19 +0300 |
| commit | a39f089a25e75c3d17b955d8eb8bc781f23364f3 (patch) | |
| tree | b49604d018c4a2cb67f2108f20832369823422c2 /fs/xfs/libxfs/xfs_attr_leaf.h | |
| parent | 7f6bcf7c29410747fb05258870bd2254855af9c2 (diff) | |
| download | linux-a39f089a25e75c3d17b955d8eb8bc781f23364f3.tar.xz | |
xfs: move incore structures out of xfs_da_format.h
Move the abstract in-memory version of various btree block headers
out of xfs_da_format.h as they aren't on-disk formats.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_attr_leaf.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_attr_leaf.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.h b/fs/xfs/libxfs/xfs_attr_leaf.h index bb0880057ee3..16208a7743df 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.h +++ b/fs/xfs/libxfs/xfs_attr_leaf.h @@ -17,6 +17,29 @@ struct xfs_inode; struct xfs_trans; /* + * Incore version of the attribute leaf header. + */ +struct xfs_attr3_icleaf_hdr { + uint32_t forw; + uint32_t back; + uint16_t magic; + uint16_t count; + uint16_t usedbytes; + /* + * Firstused is 32-bit here instead of 16-bit like the on-disk variant + * to support maximum fsb size of 64k without overflow issues throughout + * the attr code. Instead, the overflow condition is handled on + * conversion to/from disk. + */ + uint32_t firstused; + __u8 holes; + struct { + uint16_t base; + uint16_t size; + } freemap[XFS_ATTR_LEAF_MAPSIZE]; +}; + +/* * Used to keep a list of "remote value" extents when unlinking an inode. */ typedef struct xfs_attr_inactive_list { |