From: Oleg Drokin <green@clusterfs.com>
To: linux-kernel@vger.kernel.org, braam@clusterfs.com
Subject: [2/9] Lustre VFS patches for 2.6
Date: Wed, 7 Jul 2004 15:47:32 +0300 [thread overview]
Message-ID: <20040707124732.GA25904@clusterfs.com> (raw)
%diffstat
fs/dcache.c | 7 +++++++
include/linux/dcache.h | 1 +
2 files changed, 8 insertions(+)
%patch
Index: linux-2.6.6/fs/dcache.c
===================================================================
--- linux-2.6.6.orig/fs/dcache.c 2004-05-22 02:11:17.000000000 +0800
+++ linux-2.6.6/fs/dcache.c 2004-05-22 02:14:46.000000000 +0800
@@ -217,6 +217,13 @@ int d_invalidate(struct dentry * dentry)
spin_unlock(&dcache_lock);
return 0;
}
+
+ /* network invalidation by Lustre */
+ if (dentry->d_flags & DCACHE_LUSTRE_INVALID) {
+ spin_unlock(&dcache_lock);
+ return 0;
+ }
+
/*
* Check whether to do a partial shrink_dcache
* to get rid of unused child entries.
Index: linux-2.6.6/include/linux/dcache.h
===================================================================
--- linux-2.6.6.orig/include/linux/dcache.h 2004-05-22 02:10:01.000000000 +0800
+++ linux-2.6.6/include/linux/dcache.h 2004-05-22 02:15:17.000000000 +0800
@@ -153,6 +153,7 @@ d_iput: no no yes
#define DCACHE_REFERENCED 0x0008 /* Recently used, don't discard. */
#define DCACHE_UNHASHED 0x0010
+#define DCACHE_LUSTRE_INVALID 0x0020 /* invalidated by Lustre */
extern spinlock_t dcache_lock;
reply other threads:[~2004-07-07 12:51 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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