From: Jeff Liu <jeff.liu@oracle.com>
To: "xfs@oss.sgi.com" <xfs@oss.sgi.com>
Subject: [PATCH v2 5/8] xfs: use xfs_icluster_size_fsb in xfs_bulkstat
Date: Thu, 12 Dec 2013 15:38:40 +0800 [thread overview]
Message-ID: <52A96800.5080706@oracle.com> (raw)
From: Jie Liu <jeff.liu@oracle.com>
Use xfs_icluster_size_fsb() in xfs_bulkstat(), make the related
variables more meaningful and remove an unused variable nimask
from it.
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
---
fs/xfs/xfs_itable.c | 22 +++++++++-------------
1 file changed, 9 insertions(+), 13 deletions(-)
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 0571012..f463382 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -209,9 +209,8 @@ xfs_bulkstat(
xfs_inobt_rec_incore_t *irbuf; /* start of irec buffer */
xfs_inobt_rec_incore_t *irbufend; /* end of good irec buffer entries */
xfs_ino_t lastino; /* last inode number returned */
- int nbcluster; /* # of blocks in a cluster */
- int nicluster; /* # of inodes in a cluster */
- int nimask; /* mask for inode clusters */
+ int blks_per_cluster; /* # of blocks per cluster */
+ int inodes_per_cluster;/* # of inodes per cluster */
int nirbuf; /* size of irbuf */
int rval; /* return value error code */
int tmp; /* result value from btree calls */
@@ -243,11 +242,8 @@ xfs_bulkstat(
*done = 0;
fmterror = 0;
ubufp = ubuffer;
- nicluster = mp->m_sb.sb_blocksize >= mp->m_inode_cluster_size ?
- mp->m_sb.sb_inopblock :
- (mp->m_inode_cluster_size >> mp->m_sb.sb_inodelog);
- nimask = ~(nicluster - 1);
- nbcluster = nicluster >> mp->m_sb.sb_inopblog;
+ blks_per_cluster = xfs_icluster_size_fsb(mp);
+ inodes_per_cluster = blks_per_cluster << mp->m_sb.sb_inopblog;
irbuf = kmem_zalloc_greedy(&irbsize, PAGE_SIZE, PAGE_SIZE * 4);
if (!irbuf)
return ENOMEM;
@@ -390,12 +386,12 @@ xfs_bulkstat(
agbno = XFS_AGINO_TO_AGBNO(mp, r.ir_startino);
for (chunkidx = 0;
chunkidx < XFS_INODES_PER_CHUNK;
- chunkidx += nicluster,
- agbno += nbcluster) {
- if (xfs_inobt_maskn(chunkidx, nicluster)
- & ~r.ir_free)
+ chunkidx += inodes_per_cluster,
+ agbno += blks_per_cluster) {
+ if (xfs_inobt_maskn(chunkidx,
+ inodes_per_cluster) & ~r.ir_free)
xfs_btree_reada_bufs(mp, agno,
- agbno, nbcluster,
+ agbno, blks_per_cluster,
&xfs_inode_buf_ops);
}
blk_finish_plug(&plug);
--
1.8.3.2
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next reply other threads:[~2013-12-12 7:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-12 7:38 Jeff Liu [this message]
2013-12-12 22:18 ` [PATCH v2 5/8] xfs: use xfs_icluster_size_fsb in xfs_bulkstat Dave Chinner
2013-12-13 2:20 ` Jeff Liu
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