[kernel] generic-2.6/2.6.30: more mini_fo fixes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16346 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 38 insertions, 3 deletions

diff --git a/target/linux/generic-2.6/patches-2.6.30/215-mini_fo_2.6.30.patch b/target/linux/generic-2.6/patches-2.6.30/215-mini_fo_2.6.30.patch
index ca122d9fad..2d20920614 100644
--- a/target/linux/generic-2.6/patches-2.6.30/215-mini_fo_2.6.30.patch
+++ b/target/linux/generic-2.6/patches-2.6.30/215-mini_fo_2.6.30.patch
@@ -51,6 +51,42 @@
  
  	/* catch error in lookup */
  	if (IS_ERR(hidden_dentry) || IS_ERR(hidden_sto_dentry)) {
+@@ -553,9 +559,11 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de
+ #endif
+ 
+ 		/* Delete an old WOL file contained in the storage dir */
++		mutex_lock(&hidden_sto_dentry->d_inode->i_mutex);
+ 		meta_dentry = lookup_one_len(META_FILENAME,
+ 					     hidden_sto_dentry,
+ 					     strlen(META_FILENAME));
++		mutex_unlock(&hidden_sto_dentry->d_inode->i_mutex);
+ 		if(meta_dentry->d_inode) {
+ 			err = vfs_unlink(hidden_sto_dentry->d_inode, meta_dentry);
+ 			dput(meta_dentry);
+@@ -643,9 +651,11 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de
+ #endif
+ 
+ 		/* Delete an old WOL file contained in the storage dir */
++		mutex_lock(&hidden_sto_dentry->d_inode->i_mutex);
+ 		meta_dentry = lookup_one_len(META_FILENAME,
+ 					     hidden_sto_dentry,
+ 					     strlen(META_FILENAME));
++		mutex_unlock(&hidden_sto_dentry->d_inode->i_mutex);
+ 		if(meta_dentry->d_inode) {
+ 			/* is this necessary? dget(meta_dentry); */
+ 			err = vfs_unlink(hidden_sto_dentry->d_inode,
+@@ -688,9 +698,11 @@ mini_fo_rmdir(inode_t *dir, dentry_t *de
+ #endif
+ 
+ 		/* Delete an old WOL file contained in the storage dir */
++		mutex_lock(&hidden_sto_dentry->d_inode->i_mutex);
+ 		meta_dentry = lookup_one_len(META_FILENAME,
+ 					     hidden_sto_dentry,
+ 					     strlen(META_FILENAME));
++		mutex_unlock(&hidden_sto_dentry->d_inode->i_mutex);
+ 		if(meta_dentry->d_inode) {
+ 			/* is this necessary? dget(meta_dentry); */
+ 			err = vfs_unlink(hidden_sto_dentry->d_inode,
 --- a/fs/mini_fo/meta.c
 +++ b/fs/mini_fo/meta.c
 @@ -43,9 +43,11 @@ int meta_build_lists(dentry_t *dentry)
@@ -91,7 +127,7 @@
          if(!meta_dentry->d_inode) {
                  /* We need to create a META-file */
  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-@@ -641,9 +650,14 @@ int meta_sync_d_list(dentry_t *dentry, i
+@@ -641,9 +650,13 @@ int meta_sync_d_list(dentry_t *dentry, i
  			goto out;
                  }
          }
@@ -102,11 +138,10 @@
  				     strlen(META_FILENAME));
 +	mutex_unlock(&dtohd2(dentry)->d_inode->i_mutex);
 +
-+
          if(!meta_dentry->d_inode) {
                  /* We need to create a META-file */
  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-@@ -784,9 +798,13 @@ int meta_sync_r_list(dentry_t *dentry, i
+@@ -784,9 +797,13 @@ int meta_sync_r_list(dentry_t *dentry, i
  			goto out;
                  }
          }