From 4f62282a369642b992771e78273a023769bf0d9a Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 28 Jun 2019 19:27:20 -0700 Subject: xfs: cleanup xlog_get_iclog_buffer_size We don't really need all the messy branches in the function, as it really does three things, out of which 2 are common for all branches: 1) set up mount point log buffer size and count values if not already done from mount options 2) calculate the number of log headers 3) set up all the values in struct xlog based on the above Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong --- fs/xfs/xfs_log.c | 52 +++++++++++----------------------------------------- 1 file changed, 11 insertions(+), 41 deletions(-) (limited to 'fs/xfs/xfs_log.c') diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 368305b60efa..86f737a0bd5d 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -1301,56 +1301,26 @@ xlog_iodone(xfs_buf_t *bp) * If the filesystem blocksize is too large, we may need to choose a * larger size since the directory code currently logs entire blocks. */ - STATIC void xlog_get_iclog_buffer_size( struct xfs_mount *mp, struct xlog *log) { - int xhdrs; - if (mp->m_logbufs <= 0) - log->l_iclog_bufs = XLOG_MAX_ICLOGS; - else - log->l_iclog_bufs = mp->m_logbufs; + mp->m_logbufs = XLOG_MAX_ICLOGS; + if (mp->m_logbsize <= 0) + mp->m_logbsize = XLOG_BIG_RECORD_BSIZE; + + log->l_iclog_bufs = mp->m_logbufs; + log->l_iclog_size = mp->m_logbsize; /* - * Buffer size passed in from mount system call. + * # headers = size / 32k - one header holds cycles from 32k of data. */ - if (mp->m_logbsize > 0) { - if (xfs_sb_version_haslogv2(&mp->m_sb)) { - /* # headers = size / 32k - * one header holds cycles from 32k of data - */ - - xhdrs = mp->m_logbsize / XLOG_HEADER_CYCLE_SIZE; - if (mp->m_logbsize % XLOG_HEADER_CYCLE_SIZE) - xhdrs++; - log->l_iclog_hsize = xhdrs << BBSHIFT; - log->l_iclog_heads = xhdrs; - } else { - ASSERT(mp->m_logbsize <= XLOG_BIG_RECORD_BSIZE); - log->l_iclog_hsize = BBSIZE; - log->l_iclog_heads = 1; - } - goto done; - } - - /* All machines use 32kB buffers by default. */ - log->l_iclog_size = XLOG_BIG_RECORD_BSIZE; - - /* the default log size is 16k or 32k which is one header sector */ - log->l_iclog_hsize = BBSIZE; - log->l_iclog_heads = 1; - -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) - mp->m_logbsize = log->l_iclog_size; -} /* xlog_get_iclog_buffer_size */ - + log->l_iclog_heads = + DIV_ROUND_UP(mp->m_logbsize, XLOG_HEADER_CYCLE_SIZE); + log->l_iclog_hsize = log->l_iclog_heads << BBSHIFT; +} void xfs_log_work_queue( -- cgit v1.2.3-55-g7522