dquot: move dquot initialization responsibility into the filesystem
[pandora-kernel.git] / fs / ext3 / inode.c
index 455e6e6..d7962b0 100644 (file)
@@ -196,6 +196,9 @@ void ext3_delete_inode (struct inode * inode)
 {
        handle_t *handle;
 
+       if (!is_bad_inode(inode))
+               vfs_dq_init(inode);
+
        truncate_inode_pages(&inode->i_data, 0);
 
        if (is_bad_inode(inode))
@@ -1378,7 +1381,7 @@ static int ext3_journalled_write_end(struct file *file,
         */
        if (pos + len > inode->i_size && ext3_can_truncate(inode))
                ext3_orphan_add(handle, inode);
-       EXT3_I(inode)->i_state |= EXT3_STATE_JDATA;
+       ext3_set_inode_state(inode, EXT3_STATE_JDATA);
        if (inode->i_size > EXT3_I(inode)->i_disksize) {
                EXT3_I(inode)->i_disksize = inode->i_size;
                ret2 = ext3_mark_inode_dirty(handle, inode);
@@ -1417,7 +1420,7 @@ static sector_t ext3_bmap(struct address_space *mapping, sector_t block)
        journal_t *journal;
        int err;
 
-       if (EXT3_I(inode)->i_state & EXT3_STATE_JDATA) {
+       if (ext3_test_inode_state(inode, EXT3_STATE_JDATA)) {
                /*
                 * This is a REALLY heavyweight approach, but the use of
                 * bmap on dirty files is expected to be extremely rare:
@@ -1436,7 +1439,7 @@ static sector_t ext3_bmap(struct address_space *mapping, sector_t block)
                 * everything they get.
                 */
 
-               EXT3_I(inode)->i_state &= ~EXT3_STATE_JDATA;
+               ext3_clear_inode_state(inode, EXT3_STATE_JDATA);
                journal = EXT3_JOURNAL(inode);
                journal_lock_updates(journal);
                err = journal_flush(journal);
@@ -1528,6 +1531,7 @@ static int ext3_ordered_writepage(struct page *page,
        int err;
 
        J_ASSERT(PageLocked(page));
+       WARN_ON_ONCE(IS_RDONLY(inode));
 
        /*
         * We give up here if we're reentered, because it might be for a
@@ -1600,6 +1604,9 @@ static int ext3_writeback_writepage(struct page *page,
        int ret = 0;
        int err;
 
+       J_ASSERT(PageLocked(page));
+       WARN_ON_ONCE(IS_RDONLY(inode));
+
        if (ext3_journal_current_handle())
                goto out_fail;
 
@@ -1642,6 +1649,9 @@ static int ext3_journalled_writepage(struct page *page,
        int ret = 0;
        int err;
 
+       J_ASSERT(PageLocked(page));
+       WARN_ON_ONCE(IS_RDONLY(inode));
+
        if (ext3_journal_current_handle())
                goto no_write;
 
@@ -1670,7 +1680,7 @@ static int ext3_journalled_writepage(struct page *page,
                                PAGE_CACHE_SIZE, NULL, write_end_fn);
                if (ret == 0)
                        ret = err;
-               EXT3_I(inode)->i_state |= EXT3_STATE_JDATA;
+               ext3_set_inode_state(inode, EXT3_STATE_JDATA);
                unlock_page(page);
        } else {
                /*
@@ -1785,8 +1795,9 @@ retry:
                handle = ext3_journal_start(inode, 2);
                if (IS_ERR(handle)) {
                        /* This is really bad luck. We've written the data
-                        * but cannot extend i_size. Bail out and pretend
-                        * the write failed... */
+                        * but cannot extend i_size. Truncate allocated blocks
+                        * and pretend the write failed... */
+                       ext3_truncate(inode);
                        ret = PTR_ERR(handle);
                        goto out;
                }
@@ -2402,7 +2413,7 @@ void ext3_truncate(struct inode *inode)
                goto out_notrans;
 
        if (inode->i_size == 0 && ext3_should_writeback_data(inode))
-               ei->i_state |= EXT3_STATE_FLUSH_ON_CLOSE;
+               ext3_set_inode_state(inode, EXT3_STATE_FLUSH_ON_CLOSE);
 
        /*
         * We have to lock the EOF page here, because lock_page() nests
@@ -2721,7 +2732,7 @@ int ext3_get_inode_loc(struct inode *inode, struct ext3_iloc *iloc)
 {
        /* We have all inode data except xattrs in memory here. */
        return __ext3_get_inode_loc(inode, iloc,
-               !(EXT3_I(inode)->i_state & EXT3_STATE_XATTR));
+               !ext3_test_inode_state(inode, EXT3_STATE_XATTR));
 }
 
 void ext3_set_inode_flags(struct inode *inode)
@@ -2893,7 +2904,7 @@ struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
                                        EXT3_GOOD_OLD_INODE_SIZE +
                                        ei->i_extra_isize;
                        if (*magic == cpu_to_le32(EXT3_XATTR_MAGIC))
-                                ei->i_state |= EXT3_STATE_XATTR;
+                                ext3_set_inode_state(inode, EXT3_STATE_XATTR);
                }
        } else
                ei->i_extra_isize = 0;
@@ -2955,7 +2966,7 @@ again:
 
        /* For fields not not tracking in the in-memory inode,
         * initialise them to zero for new inodes. */
-       if (ei->i_state & EXT3_STATE_NEW)
+       if (ext3_test_inode_state(inode, EXT3_STATE_NEW))
                memset(raw_inode, 0, EXT3_SB(inode->i_sb)->s_inode_size);
 
        ext3_get_inode_flags(ei);
@@ -3052,7 +3063,7 @@ again:
        rc = ext3_journal_dirty_metadata(handle, bh);
        if (!err)
                err = rc;
-       ei->i_state &= ~EXT3_STATE_NEW;
+       ext3_clear_inode_state(inode, EXT3_STATE_NEW);
 
        atomic_set(&ei->i_sync_tid, handle->h_transaction->t_tid);
 out_brelse:
@@ -3140,6 +3151,8 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
        if (error)
                return error;
 
+       if (ia_valid & ATTR_SIZE)
+               vfs_dq_init(inode);
        if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
                (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
                handle_t *handle;
@@ -3152,7 +3165,7 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
                        error = PTR_ERR(handle);
                        goto err_out;
                }
-               error = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0;
+               error = dquot_transfer(inode, attr);
                if (error) {
                        ext3_journal_stop(handle);
                        return error;
@@ -3328,7 +3341,7 @@ int ext3_mark_inode_dirty(handle_t *handle, struct inode *inode)
  * i_size has been changed by generic_commit_write() and we thus need
  * to include the updated inode in the current transaction.
  *
- * Also, vfs_dq_alloc_space() will always dirty the inode when blocks
+ * Also, dquot_alloc_space() will always dirty the inode when blocks
  * are allocated to the file.
  *
  * If the inode is marked synchronous, we don't honour that here - doing