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Message-ID: <20071122004422.GO114266761@sgi.com>
Date: Thu, 22 Nov 2007 11:44:22 +1100
From: David Chinner <dgc@....com>
To: xfs-oss <xfs@....sgi.com>
Cc: lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH 9/9] Clean up open coded inode dirty checks
Use xfs_inode_clean() in more places.
Signed-off-by: Dave Chinner <dgc@....com>
---
fs/xfs/xfs_inode.c | 27 +++++----------------------
fs/xfs/xfs_inode_item.h | 8 ++++++++
fs/xfs/xfs_vnodeops.c | 4 +---
3 files changed, 14 insertions(+), 25 deletions(-)
Index: 2.6.x-xfs-new/fs/xfs/xfs_inode.c
===================================================================
--- 2.6.x-xfs-new.orig/fs/xfs/xfs_inode.c 2007-11-22 10:33:57.728849000 +1100
+++ 2.6.x-xfs-new/fs/xfs/xfs_inode.c 2007-11-22 10:33:59.692597965 +1100
@@ -2158,13 +2158,6 @@ xfs_iunlink_remove(
return 0;
}
-STATIC_INLINE int xfs_inode_clean(xfs_inode_t *ip)
-{
- return (((ip->i_itemp == NULL) ||
- !(ip->i_itemp->ili_format.ilf_fields & XFS_ILOG_ALL)) &&
- (ip->i_update_core == 0));
-}
-
/* lookup all the inodes in the cluster */
STATIC int
xfs_icluster_lookup(
@@ -3067,7 +3060,6 @@ xfs_iflush_cluster(
int ilist_size;
xfs_inode_t **ilist;
xfs_inode_t *iq;
- xfs_inode_log_item_t *iip;
int nr_found;
int clcount = 0;
int bufwasdelwri;
@@ -3094,13 +3086,8 @@ xfs_iflush_cluster(
* is a candidate for flushing. These checks will be repeated
* later after the appropriate locks are acquired.
*/
- iip = iq->i_itemp;
- if ((iq->i_update_core == 0) &&
- ((iip == NULL) ||
- !(iip->ili_format.ilf_fields & XFS_ILOG_ALL)) &&
- xfs_ipincount(iq) == 0) {
+ if (xfs_inode_clean(iq) && xfs_ipincount(iq) == 0)
continue;
- }
/*
* Try to get locks. If any are unavailable or it is pinned,
@@ -3123,10 +3110,8 @@ xfs_iflush_cluster(
* arriving here means that this inode can be flushed. First
* re-check that it's dirty before flushing.
*/
- iip = iq->i_itemp;
- if ((iq->i_update_core != 0) || ((iip != NULL) &&
- (iip->ili_format.ilf_fields & XFS_ILOG_ALL))) {
- int error;
+ if (!xfs_inode_clean(iq)) {
+ int error;
error = xfs_iflush_int(iq, bp);
if (error) {
xfs_iunlock(iq, XFS_ILOCK_SHARED);
@@ -3230,8 +3215,7 @@ xfs_iflush(
* If the inode isn't dirty, then just release the inode
* flush lock and do nothing.
*/
- if ((ip->i_update_core == 0) &&
- ((iip == NULL) || !(iip->ili_format.ilf_fields & XFS_ILOG_ALL))) {
+ if (xfs_inode_clean(ip)) {
ASSERT((iip != NULL) ?
!(iip->ili_item.li_flags & XFS_LI_IN_AIL) : 1);
xfs_ifunlock(ip);
@@ -3398,8 +3382,7 @@ xfs_iflush_int(
* If the inode isn't dirty, then just release the inode
* flush lock and do nothing.
*/
- if ((ip->i_update_core == 0) &&
- ((iip == NULL) || !(iip->ili_format.ilf_fields & XFS_ILOG_ALL))) {
+ if (xfs_inode_clean(ip)) {
xfs_ifunlock(ip);
return 0;
}
Index: 2.6.x-xfs-new/fs/xfs/xfs_vnodeops.c
===================================================================
--- 2.6.x-xfs-new.orig/fs/xfs/xfs_vnodeops.c 2007-11-22 10:33:57.732848488 +1100
+++ 2.6.x-xfs-new/fs/xfs/xfs_vnodeops.c 2007-11-22 10:33:59.696597454 +1100
@@ -3532,7 +3532,6 @@ xfs_inode_flush(
int flags)
{
xfs_mount_t *mp = ip->i_mount;
- xfs_inode_log_item_t *iip = ip->i_itemp;
int error = 0;
if (XFS_FORCED_SHUTDOWN(mp))
@@ -3542,8 +3541,7 @@ xfs_inode_flush(
* Bypass inodes which have already been cleaned by
* the inode flush clustering code inside xfs_iflush
*/
- if ((ip->i_update_core == 0) &&
- ((iip == NULL) || !(iip->ili_format.ilf_fields & XFS_ILOG_ALL)))
+ if (xfs_inode_clean(ip))
return 0;
/*
Index: 2.6.x-xfs-new/fs/xfs/xfs_inode_item.h
===================================================================
--- 2.6.x-xfs-new.orig/fs/xfs/xfs_inode_item.h 2007-11-22 10:25:23.286572511 +1100
+++ 2.6.x-xfs-new/fs/xfs/xfs_inode_item.h 2007-11-22 10:33:59.696597454 +1100
@@ -168,6 +168,14 @@ static inline int xfs_ilog_fext(int w)
return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
}
+STATIC_INLINE int xfs_inode_clean(xfs_inode_t *ip)
+{
+ return (((ip->i_itemp == NULL) ||
+ !(ip->i_itemp->ili_format.ilf_fields & XFS_ILOG_ALL)) &&
+ (ip->i_update_core == 0));
+}
+
+
#ifdef __KERNEL__
extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
-
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