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authorDave Chinner <david@fromorbit.com>2013-06-27 16:04:53 +1000
committerBen Myers <bpm@sgi.com>2013-06-27 13:34:12 -0500
commit3ebe7d2d73179c4874aee4f32e043eb5acd9fa0f (patch)
tree39bf0b8fac593d4051ebfbc7011a26423a8f90a4 /fs/xfs/xfs_log.h
parent5f6bed76c0c85cb4d04885a5de00b629deee550b (diff)
downloadop-kernel-dev-3ebe7d2d73179c4874aee4f32e043eb5acd9fa0f.zip
op-kernel-dev-3ebe7d2d73179c4874aee4f32e043eb5acd9fa0f.tar.gz
xfs: Inode create log items
Introduce the inode create log item type for logical inode create logging. Instead of logging the changes in buffers, pass the range to be initialised through the log by a new transaction type. This reduces the amount of log space required to record initialisation during allocation from about 128 bytes per inode to a small fixed amount per inode extent to be initialised. This requires a new log item type to track it through the log and the AIL. This is a relatively simple item - most callbacks are noops as this item has the same life cycle as the transaction. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Mark Tinguely <tinguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_log.h')
-rw-r--r--fs/xfs/xfs_log.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index b20918c..fb630e4 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -88,7 +88,8 @@ static inline xfs_lsn_t _lsn_cmp(xfs_lsn_t lsn1, xfs_lsn_t lsn2)
#define XLOG_REG_TYPE_UNMOUNT 17
#define XLOG_REG_TYPE_COMMIT 18
#define XLOG_REG_TYPE_TRANSHDR 19
-#define XLOG_REG_TYPE_MAX 19
+#define XLOG_REG_TYPE_ICREATE 20
+#define XLOG_REG_TYPE_MAX 20
typedef struct xfs_log_iovec {
void *i_addr; /* beginning address of region */
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