From 29a9b5d7e11386493d356e8b2436894b7b6c9f91 Mon Sep 17 00:00:00 2001
From: wangdi <wangdi>
Date: Mon, 16 Feb 2004 12:33:48 +0000
Subject: [PATCH] Update smfs: 1.fix bugs in smfs_link 2) decrease i_count in
smfs_clear_inode
---
lustre/smfs/dir.c | 2 ++
lustre/smfs/inode.c | 12 ++++++++++++
2 files changed, 14 insertions(+)
diff --git a/lustre/smfs/dir.c b/lustre/smfs/dir.c
index c5f0554611..6996a0cbfd 100644
--- a/lustre/smfs/dir.c
+++ b/lustre/smfs/dir.c
@@ -215,6 +215,8 @@ static int smfs_link(struct dentry * old_dentry,
rc = cache_dir->i_op->link(&cache_old_dentry, cache_dir, &cache_dentry);
if (rc == 0) {
+ atomic_inc(&inode->i_count);
+ duplicate_inode(cache_old_dentry.d_inode, inode);
d_instantiate(dentry, inode);
}
diff --git a/lustre/smfs/inode.c b/lustre/smfs/inode.c
index 0c44fef4dd..24ff6c30a1 100644
--- a/lustre/smfs/inode.c
+++ b/lustre/smfs/inode.c
@@ -73,6 +73,18 @@ static void smfs_clear_inode(struct inode *inode)
cache_sb = S2CSB(inode->i_sb);
cache_inode = I2CI(inode);
+
+ /*FIXME: because i_count of cache_inode may not
+ * be 0 or 1 in before smfs_delete inode, So we
+ * need to dec it to 1 before we call delete_inode
+ * of the bellow cache filesystem Check again latter*/
+
+ if (atomic_read(&cache_inode->i_count) < 1)
+ BUG();
+
+ while (atomic_read(&cache_inode->i_count) != 1) {
+ atomic_dec(&cache_inode->i_count);
+ }
iput(cache_inode);
return;
--
GitLab