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xfs: remove iclog calculation special cases

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Our default has been to always use 8 32KB log buffers for a while now, so
remove the special casing for larger block size filesystem to use the same
or even lower number of buffers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2009-02-09 08:36:46 +01:00 committed by Christoph Hellwig
parent 8e9b6e7fa4
commit 7153f8ba2b
1 changed files with 2 additions and 26 deletions
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28
fs/xfs/xfs_log.c
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@ -1164,32 +1164,8 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp,
log->l_iclog_hsize = BBSIZE;
log->l_iclog_heads = 1;
/*
* For 16KB, we use 3 32KB buffers. For 32KB block sizes, we use
* 4 32KB buffers. For 64KB block sizes, we use 8 32KB buffers.
*/
if (mp->m_sb.sb_blocksize >= 16*1024) {
log->l_iclog_size = XLOG_BIG_RECORD_BSIZE;
log->l_iclog_size_log = XLOG_BIG_RECORD_BSHIFT;
if (mp->m_logbufs <= 0) {
switch (mp->m_sb.sb_blocksize) {
case 16*1024: /* 16 KB */
log->l_iclog_bufs = 3;
break;
case 32*1024: /* 32 KB */
log->l_iclog_bufs = 4;
break;
case 64*1024: /* 64 KB */
log->l_iclog_bufs = 8;
break;
default:
xlog_panic("XFS: Invalid blocksize");
break;
}
}
}
done: /* are we being asked to make the sizes selected above visible? */
done:
/* are we being asked to make the sizes selected above visible? */
if (mp->m_logbufs == 0)
mp->m_logbufs = log->l_iclog_bufs;
if (mp->m_logbsize == 0)