From 4af957075692f67b2c054aac722e677eb9b00b03 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Fri, 5 Jun 2009 15:24:59 +0000 Subject: [PATCH] generic-2.6/2.6.30: more mini_fo fixes SVN-Revision: 16346 --- .../patches-2.6.30/215-mini_fo_2.6.30.patch | 67 ++++++++++++++----- 1 file changed, 51 insertions(+), 16 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) @@ -91,22 +127,21 @@ 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 - goto out; - } - } -+ -+ mutex_lock(&dtohd2(dentry)->d_inode->i_mutex); - meta_dentry = lookup_one_len(META_FILENAME, - dtohd2(dentry), - 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 +@@ -641,9 +650,13 @@ int meta_sync_d_list(dentry_t *dentry, i + goto out; + } + } ++ ++ mutex_lock(&dtohd2(dentry)->d_inode->i_mutex); + meta_dentry = lookup_one_len(META_FILENAME, + dtohd2(dentry), + 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 +797,13 @@ int meta_sync_r_list(dentry_t *dentry, i goto out; } }