diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2023-10-16 09:48:20 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2023-10-18 10:58:58 -0700 |
| commit | d0448fe76ac1a9ccbce574577a4c82246d17eec4 (patch) | |
| tree | acec3f73d1e01b5589bb8daac4bcca6ef2fa301e /fs/xfs/libxfs/xfs_rtbitmap.h | |
| parent | 097b4b7b64ef67a4703b89fd4064480b61557fd5 (diff) | |
xfs: create helpers for rtbitmap block/wordcount computationsrefactor-rtbitmap-macros-6.7_2023-10-19
Create helper functions that compute the number of blocks or words
necessary to store the rt bitmap.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs/xfs_rtbitmap.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_rtbitmap.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.h b/fs/xfs/libxfs/xfs_rtbitmap.h index 79ade6d2361b..01eabb9b5516 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.h +++ b/fs/xfs/libxfs/xfs_rtbitmap.h @@ -280,6 +280,11 @@ xfs_rtfree_extent( /* Same as above, but in units of rt blocks. */ int xfs_rtfree_blocks(struct xfs_trans *tp, xfs_fsblock_t rtbno, xfs_filblks_t rtlen); + +xfs_filblks_t xfs_rtbitmap_blockcount(struct xfs_mount *mp, xfs_rtbxlen_t + rtextents); +unsigned long long xfs_rtbitmap_wordcount(struct xfs_mount *mp, + xfs_rtbxlen_t rtextents); #else /* CONFIG_XFS_RT */ # define xfs_rtfree_extent(t,b,l) (-ENOSYS) # define xfs_rtfree_blocks(t,rb,rl) (-ENOSYS) @@ -287,6 +292,13 @@ int xfs_rtfree_blocks(struct xfs_trans *tp, xfs_fsblock_t rtbno, # define xfs_rtalloc_query_all(m,t,f,p) (-ENOSYS) # define xfs_rtbuf_get(m,t,b,i,p) (-ENOSYS) # define xfs_rtalloc_extent_is_free(m,t,s,l,i) (-ENOSYS) +static inline xfs_filblks_t +xfs_rtbitmap_blockcount(struct xfs_mount *mp, xfs_rtbxlen_t rtextents) +{ + /* shut up gcc */ + return 0; +} +# define xfs_rtbitmap_wordcount(mp, r) (0) #endif /* CONFIG_XFS_RT */ #endif /* __XFS_RTBITMAP_H__ */ |