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Code Issues

generic-2.6/2.6.30: more mini_fo fixes

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SVN-Revision: 16346
This commit is contained in:
Gabor Juhos 2009-06-05 15:24:59 +00:00
parent 9fb98fc03c
commit 4af9570756
1 changed files with 51 additions and 16 deletions
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67
target/linux/generic-2.6/patches-2.6.30/215-mini_fo_2.6.30.patch
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@ -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;
}
}