xfsprogs: introduce xfs_icluster_size_fsb()
PATCH 4/6 xfsprogs: introduce xfs_icluster_size_fsb()
From: Jie Liu <[email protected]>
Introduce a common routine xfs_icluster_size_fsb() to calculate and return the number of file system blocks per inode cluster.
Signed-off-by Jie Liu <[email protected]>
--- include/xfs_ialloc.h | 10 ++++++++++ 1 file changed, 10 insertions(+)
include/xfs_ialloc.h +10 -0
@@ -30,6 +30,16 @@ struct xfs_btree_cur;*/ #define XFS_INODE_BIG_CLUSTER_SIZE 8192 +/* Calculate and return the number of filesystem blocks per inode cluster */ +static inline int +xfs_icluster_size_fsb ( +struct xfs_mount *mp) +{ +if (mp->m_sb.sb_blocksize >= mp->m_inode_cluster_size) +return 1 ; +return mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog; +} +/* * Make an inode pointer out of the buffer/offset. */
Signature · 6 lines
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Quoted 7 lines · Jeff Liu
From: Jie Liu <[email protected]>
Introduce a common routine
xfs_icluster_size_fsb()to calculate and return the number of file system blocks per inode cluster.Signed-off-by Jie Liu <[email protected]>---
Reviewed-by Brian Foster <[email protected]>
Quoted 31 lines
include/xfs_ialloc.h | 10 ++++++++++ 1 file changed, 10 insertions(+)include/xfs_ialloc.h +10
-0@@ -30,6 +30,16 @@ struct xfs_btree_cur;*/ #define XFS_INODE_BIG_CLUSTER_SIZE 8192 +/* Calculate and return the number of filesystem blocks per inode cluster */ +static inline int +xfs_icluster_size_fsb ( +struct xfs_mount *mp) +{ +if (mp->m_sb.sb_blocksize >= mp->m_inode_cluster_size) +return 1 ; +return mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog; +} +/* * Make an inode pointer out of the buffer/offset. */ Signature · 6 lines
1.8.3.2 _______________________________________________ xfs mailing list [email protected] http://oss.sgi.com/mailman/listinfo/xfs
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