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| author | Dave Chinner <dchinner@redhat.com> | 2013-08-12 20:49:29 +1000 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2013-08-12 16:13:10 -0500 |
| commit | c7298202e5df6fad66c7c8146bf2ed55ba07aff0 (patch) | |
| tree | b2aa33f8869ac927af3aa4185cd4fee4f6ac788d /fs/xfs/xfs_types.h | |
| parent | 2a3c0acc351baf1e5e584d8d0692f41d5067582c (diff) | |
| download | linux-c7298202e5df6fad66c7c8146bf2ed55ba07aff0.tar.gz linux-c7298202e5df6fad66c7c8146bf2ed55ba07aff0.tar.bz2 linux-c7298202e5df6fad66c7c8146bf2ed55ba07aff0.zip | |
xfs: introduce xfs_rtalloc_defs.h
There are quite a few realtime device definitions shared with
userspace. Move them from xfs_rtalloc.h to xfs_rt_alloc_defs.h
so we don't need to share xfs_rtalloc.h with userspace anymore.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_types.h')
| -rw-r--r-- | fs/xfs/xfs_types.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h index 69074ac20ac3..781772c6f192 100644 --- a/fs/xfs/xfs_types.h +++ b/fs/xfs/xfs_types.h @@ -183,4 +183,14 @@ struct xfs_name { */ typedef __uint32_t xfs_dqid_t; +/* + * Constants for bit manipulations. + */ +#define XFS_NBBYLOG 3 /* log2(NBBY) */ +#define XFS_WORDLOG 2 /* log2(sizeof(xfs_rtword_t)) */ +#define XFS_NBWORDLOG (XFS_NBBYLOG + XFS_WORDLOG) +#define XFS_NBWORD (1 << XFS_NBWORDLOG) +#define XFS_WORDMASK ((1 << XFS_WORDLOG) - 1) + + #endif /* __XFS_TYPES_H__ */ |