ocfs2: Add quota calls for allocation and freeing of inodes and space
[safe/jmp/linux-2.6] / fs / ocfs2 / aops.c
index 6af79ad..6b647ec 100644 (file)
@@ -27,6 +27,7 @@
 #include <linux/swap.h>
 #include <linux/pipe_fs_i.h>
 #include <linux/mpage.h>
+#include <linux/quotaops.h>
 
 #define MLOG_MASK_PREFIX ML_FILE_IO
 #include <cluster/masklog.h>
@@ -1730,6 +1731,11 @@ int ocfs2_write_begin_nolock(struct address_space *mapping,
 
        wc->w_handle = handle;
 
+       if (clusters_to_alloc && vfs_dq_alloc_space_nodirty(inode,
+                       ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc))) {
+               ret = -EDQUOT;
+               goto out_commit;
+       }
        /*
         * We don't want this to fail in ocfs2_write_end(), so do it
         * here.
@@ -1738,7 +1744,7 @@ int ocfs2_write_begin_nolock(struct address_space *mapping,
                                   OCFS2_JOURNAL_ACCESS_WRITE);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out_quota;
        }
 
        /*
@@ -1751,14 +1757,14 @@ int ocfs2_write_begin_nolock(struct address_space *mapping,
                                         mmap_page);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out_quota;
        }
 
        ret = ocfs2_write_cluster_by_desc(mapping, data_ac, meta_ac, wc, pos,
                                          len);
        if (ret) {
                mlog_errno(ret);
-               goto out_commit;
+               goto out_quota;
        }
 
        if (data_ac)
@@ -1770,6 +1776,10 @@ success:
        *pagep = wc->w_target_page;
        *fsdata = wc;
        return 0;
+out_quota:
+       if (clusters_to_alloc)
+               vfs_dq_free_space(inode,
+                         ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc));
 out_commit:
        ocfs2_commit_trans(osb, handle);