Merge branch 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / fs / ext3 / namei.c

diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index aad6400..7b0e44f 100644 (file)
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1699,7 +1699,7 @@ static int ext3_create (struct inode * dir, struct dentry * dentry, int mode,
 retry:
        handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
-                                       2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
+                                       EXT3_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
@@ -1733,7 +1733,7 @@ static int ext3_mknod (struct inode * dir, struct dentry *dentry,
 retry:
        handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
-                                       2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
+                                       EXT3_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
@@ -1769,7 +1769,7 @@ static int ext3_mkdir(struct inode * dir, struct dentry * dentry, int mode)
 retry:
        handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
-                                       2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
+                                       EXT3_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
@@ -1920,7 +1920,7 @@ int ext3_orphan_add(handle_t *handle, struct inode *inode)
        struct ext3_iloc iloc;
        int err = 0, rc;
 
-       lock_super(sb);
+       mutex_lock(&EXT3_SB(sb)->s_orphan_lock);
        if (!list_empty(&EXT3_I(inode)->i_orphan))
                goto out_unlock;
 
@@ -1929,9 +1929,13 @@ int ext3_orphan_add(handle_t *handle, struct inode *inode)
 
        /* @@@ FIXME: Observation from aviro:
         * I think I can trigger J_ASSERT in ext3_orphan_add().  We block
-        * here (on lock_super()), so race with ext3_link() which might bump
+        * here (on s_orphan_lock), so race with ext3_link() which might bump
         * ->i_nlink. For, say it, character device. Not a regular file,
         * not a directory, not a symlink and ->i_nlink > 0.
+        *
+        * tytso, 4/25/2009: I'm not sure how that could happen;
+        * shouldn't the fs core protect us from these sort of
+        * unlink()/link() races?
         */
        J_ASSERT ((S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
                S_ISLNK(inode->i_mode)) || inode->i_nlink == 0);
@@ -1968,7 +1972,7 @@ int ext3_orphan_add(handle_t *handle, struct inode *inode)
        jbd_debug(4, "orphan inode %lu will point to %d\n",
                        inode->i_ino, NEXT_ORPHAN(inode));
 out_unlock:
-       unlock_super(sb);
+       mutex_unlock(&EXT3_SB(sb)->s_orphan_lock);
        ext3_std_error(inode->i_sb, err);
        return err;
 }
@@ -1986,11 +1990,9 @@ int ext3_orphan_del(handle_t *handle, struct inode *inode)
        struct ext3_iloc iloc;
        int err = 0;
 
-       lock_super(inode->i_sb);
-       if (list_empty(&ei->i_orphan)) {
-               unlock_super(inode->i_sb);
-               return 0;
-       }
+       mutex_lock(&EXT3_SB(inode->i_sb)->s_orphan_lock);
+       if (list_empty(&ei->i_orphan))
+               goto out;
 
        ino_next = NEXT_ORPHAN(inode);
        prev = ei->i_orphan.prev;
@@ -2040,7 +2042,7 @@ int ext3_orphan_del(handle_t *handle, struct inode *inode)
 out_err:
        ext3_std_error(inode->i_sb, err);
 out:
-       unlock_super(inode->i_sb);
+       mutex_unlock(&EXT3_SB(inode->i_sb)->s_orphan_lock);
        return err;
 
 out_brelse:
@@ -2175,7 +2177,7 @@ static int ext3_symlink (struct inode * dir,
 retry:
        handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
                                        EXT3_INDEX_EXTRA_TRANS_BLOCKS + 5 +
-                                       2*EXT3_QUOTA_INIT_BLOCKS(dir->i_sb));
+                                       EXT3_MAXQUOTAS_INIT_BLOCKS(dir->i_sb));
        if (IS_ERR(handle))
                return PTR_ERR(handle);