Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

[linux-2.6-omap-h63xx.git] / fs / reiserfs / super.c

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 7054aaef049312b82239b34be4dd5a09ebd70b4a..a005451930b7e1b01d8dfb4a8db8f756a4c37bf2 100644 (file)
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -18,10 +18,10 @@
 #include <linux/reiserfs_fs.h>
 #include <linux/reiserfs_acl.h>
 #include <linux/reiserfs_xattr.h>
-#include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/blkdev.h>
 #include <linux/buffer_head.h>
+#include <linux/exportfs.h>
 #include <linux/vfs.h>
 #include <linux/mnt_namespace.h>
 #include <linux/mount.h>
@@ -433,12 +433,13 @@ int remove_save_link(struct inode *inode, int truncate)
 static void reiserfs_kill_sb(struct super_block *s)
 {
        if (REISERFS_SB(s)) {
+#ifdef CONFIG_REISERFS_FS_XATTR
                if (REISERFS_SB(s)->xattr_root) {
                        d_invalidate(REISERFS_SB(s)->xattr_root);
                        dput(REISERFS_SB(s)->xattr_root);
                        REISERFS_SB(s)->xattr_root = NULL;
                }
-
+#endif
                if (REISERFS_SB(s)->priv_root) {
                        d_invalidate(REISERFS_SB(s)->priv_root);
                        dput(REISERFS_SB(s)->priv_root);
@@ -511,14 +512,12 @@ static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags
 {
        struct reiserfs_inode_info *ei = (struct reiserfs_inode_info *)foo;
 
-       if (flags & SLAB_CTOR_CONSTRUCTOR) {
-               INIT_LIST_HEAD(&ei->i_prealloc_list);
-               inode_init_once(&ei->vfs_inode);
+       INIT_LIST_HEAD(&ei->i_prealloc_list);
+       inode_init_once(&ei->vfs_inode);
 #ifdef CONFIG_REISERFS_FS_POSIX_ACL
-               ei->i_acl_access = NULL;
-               ei->i_acl_default = NULL;
+       ei->i_acl_access = NULL;
+       ei->i_acl_default = NULL;
 #endif
-       }
 }
 
 static int init_inodecache(void)
@@ -528,7 +527,7 @@ static int init_inodecache(void)
                                                         reiserfs_inode_info),
                                                  0, (SLAB_RECLAIM_ACCOUNT|
                                                        SLAB_MEM_SPREAD),
-                                                 init_once, NULL);
+                                                 init_once);
        if (reiserfs_inode_cachep == NULL)
                return -ENOMEM;
        return 0;
@@ -1562,9 +1561,10 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
        REISERFS_SB(s)->s_alloc_options.preallocmin = 0;
        /* Preallocate by 16 blocks (17-1) at once */
        REISERFS_SB(s)->s_alloc_options.preallocsize = 17;
+#ifdef CONFIG_REISERFS_FS_XATTR
        /* Initialize the rwsem for xattr dir */
        init_rwsem(&REISERFS_SB(s)->xattr_dir_sem);
-
+#endif
        /* setup default block allocator options */
        reiserfs_init_alloc_options(s);
 
@@ -1915,8 +1915,11 @@ static int reiserfs_release_dquot(struct dquot *dquot)
        ret =
            journal_begin(&th, dquot->dq_sb,
                          REISERFS_QUOTA_DEL_BLOCKS(dquot->dq_sb));
-       if (ret)
+       if (ret) {
+               /* Release dquot anyway to avoid endless cycle in dqput() */
+               dquot_release(dquot);
                goto out;
+       }
        ret = dquot_release(dquot);
        err =
            journal_end(&th, dquot->dq_sb,
@@ -2067,6 +2070,12 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type,
        size_t towrite = len;
        struct buffer_head tmp_bh, *bh;
 
+       if (!current->journal_info) {
+               printk(KERN_WARNING "reiserfs: Quota write (off=%Lu, len=%Lu)"
+                       " cancelled because transaction is not started.\n",
+                       (unsigned long long)off, (unsigned long long)len);
+               return -EIO;
+       }
        mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
        while (towrite > 0) {
                tocopy = sb->s_blocksize - offset < towrite ?
@@ -2098,7 +2107,7 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type,
                data += tocopy;
                blk++;
        }
-      out:
+out:
        if (len == towrite)
                return err;
        if (inode->i_size < off + len - towrite)