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authorChristoph Hellwig <hch@lst.de>2009-02-09 02:36:46 -0500
committerChristoph Hellwig <hch@brick.lst.de>2009-02-09 02:36:46 -0500
commit7153f8ba2b18f18f661d5cb172782bcae2eadce9 (patch)
treeddbdda7ca3a8eab6496467c34100882354753094 /fs/xfs/xfs_log.c
parent8e9b6e7fa4544ea8a0e030c8987b918509c8ff47 (diff)
xfs: remove iclog calculation special cases
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>
Diffstat (limited to 'fs/xfs/xfs_log.c')
-rw-r--r--fs/xfs/xfs_log.c28
1 files changed, 2 insertions, 26 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index f4726f702a9e..493c07f6a99a 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1164,32 +1164,8 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp,
1164 log->l_iclog_hsize = BBSIZE; 1164 log->l_iclog_hsize = BBSIZE;
1165 log->l_iclog_heads = 1; 1165 log->l_iclog_heads = 1;
1166 1166
1167 /* 1167done:
1168 * For 16KB, we use 3 32KB buffers. For 32KB block sizes, we use 1168 /* are we being asked to make the sizes selected above visible? */
1169 * 4 32KB buffers. For 64KB block sizes, we use 8 32KB buffers.
1170 */
1171 if (mp->m_sb.sb_blocksize >= 16*1024) {
1172 log->l_iclog_size = XLOG_BIG_RECORD_BSIZE;
1173 log->l_iclog_size_log = XLOG_BIG_RECORD_BSHIFT;
1174 if (mp->m_logbufs <= 0) {
1175 switch (mp->m_sb.sb_blocksize) {
1176 case 16*1024: /* 16 KB */
1177 log->l_iclog_bufs = 3;
1178 break;
1179 case 32*1024: /* 32 KB */
1180 log->l_iclog_bufs = 4;
1181 break;
1182 case 64*1024: /* 64 KB */
1183 log->l_iclog_bufs = 8;
1184 break;
1185 default:
1186 xlog_panic("XFS: Invalid blocksize");
1187 break;
1188 }
1189 }
1190 }
1191
1192done: /* are we being asked to make the sizes selected above visible? */
1193 if (mp->m_logbufs == 0) 1169 if (mp->m_logbufs == 0)
1194 mp->m_logbufs = log->l_iclog_bufs; 1170 mp->m_logbufs = log->l_iclog_bufs;
1195 if (mp->m_logbsize == 0) 1171 if (mp->m_logbsize == 0)