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xfsprogs: introduce xfs_icluster_size_fsb()

PATCH In review Jeff Liu 2 participants 2 messages May 5, 2014

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Jeff Liu

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#0 lore raw

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.

---
 include/xfs_ialloc.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
include/xfs_ialloc.h +10 -0
index 0498f20..9dee62f 100644
@@ -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

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Reviewed-by on v1 4/6
#1 lore raw
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.

---

Quoted 31 lines
 include/xfs_ialloc.h | 10 ++++++++++
 1 file changed, 10 insertions(+)
include/xfs_ialloc.h +10 -0
index 0498f20..9dee62f 100644
@@ -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

_______________________________________________
xfs mailing list
[email protected]
http://oss.sgi.com/mailman/listinfo/xfs