[kernel] fix mini_fo bug on 2.6.25

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11135 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 68 insertions, 0 deletions

diff --git a/target/linux/generic-2.6/patches-2.6.25/211-mini_fo_2.6.25_dentry_open_war.patch b/target/linux/generic-2.6/patches-2.6.25/211-mini_fo_2.6.25_dentry_open_war.patch
new file mode 100644
index 0000000000..44e89f8a23
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.25/211-mini_fo_2.6.25_dentry_open_war.patch
@@ -0,0 +1,68 @@
+Index: linux-2.6.25.1/fs/mini_fo/meta.c
+===================================================================
+--- linux-2.6.25.1.orig/fs/mini_fo/meta.c
++++ linux-2.6.25.1/fs/mini_fo/meta.c
+@@ -442,6 +442,11 @@ int meta_write_d_entry(dentry_t *dentry,
+ 			   S_IRUSR | S_IWUSR);
+ #endif
+ 	}
++
++	/* $%& err, is this correct? */
++	meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
++	mntget(meta_mnt);
++
+         /* open META-file for writing */
+         meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
+         if(!meta_file || IS_ERR(meta_file)) {
+@@ -535,6 +540,11 @@ int meta_write_r_entry(dentry_t *dentry,
+ 			   meta_dentry, S_IRUSR | S_IWUSR);
+ #endif
+ 	}
++
++	/* $%& err, is this correct? */
++	meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
++	mntget(meta_mnt);
++
+         /* open META-file for writing */
+         meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
+         if(!meta_file || IS_ERR(meta_file)) {
+@@ -671,14 +681,16 @@ int meta_sync_d_list(dentry_t *dentry, i
+ 		}
+ 	}
+ 
++	/* $%& err, is this correct? */
++	meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
++	mntget(meta_mnt);
++
+         /* open META-file for writing */
+         meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
+         if(!meta_file || IS_ERR(meta_file)) {
+                 printk(KERN_CRIT "mini_fo: meta_sync_d_list: \
+                                   ERROR opening meta file.\n");
+-		/* we don't mntget so we dont't mntput (for now)
+-		 * mntput(meta_mnt);
+-		 */
++		mntput(meta_mnt);
+ 		dput(meta_dentry);
+ 		err = -1;
+                 goto out;
+@@ -811,14 +823,16 @@ int meta_sync_r_list(dentry_t *dentry, i
+ 		}
+ 	}
+ 
++	/* $%& err, is this correct? */
++	meta_mnt = stopd(dentry->d_inode->i_sb)->hidden_mnt2;
++	mntget(meta_mnt);
++
+         /* open META-file for writing */
+         meta_file = dentry_open(meta_dentry, meta_mnt, 0x1);
+         if(!meta_file || IS_ERR(meta_file)) {
+                 printk(KERN_CRIT "mini_fo: meta_sync_r_list: \
+                                   ERROR opening meta file.\n");
+-		/* we don't mntget so we dont't mntput (for now)
+-		 * mntput(meta_mnt);
+-		 */
++		mntput(meta_mnt);
+ 		dput(meta_dentry);
+ 		err = -1;
+                 goto out;