ocfs2: Implement quota recovery

[~andy/linux] / fs / ocfs2 / aops.c

diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index ed937fa9e4e3d064156c722ba4e593489a247bbf..6b647ec87bb3db4484b9df18fd6bda87f22b2a05 100644 (file)
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -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>
@@ -68,22 +69,13 @@ static int ocfs2_symlink_get_block(struct inode *inode, sector_t iblock,
                goto bail;
        }
 
-       status = ocfs2_read_block(OCFS2_SB(inode->i_sb),
-                                 OCFS2_I(inode)->ip_blkno,
-                                 &bh, OCFS2_BH_CACHED, inode);
+       status = ocfs2_read_inode_block(inode, &bh);
        if (status < 0) {
                mlog_errno(status);
                goto bail;
        }
        fe = (struct ocfs2_dinode *) bh->b_data;
 
-       if (!OCFS2_IS_VALID_DINODE(fe)) {
-               mlog(ML_ERROR, "Invalid dinode #%llu: signature = %.*s\n",
-                    (unsigned long long)le64_to_cpu(fe->i_blkno), 7,
-                    fe->i_signature);
-               goto bail;
-       }
-
        if ((u64)iblock >= ocfs2_clusters_to_blocks(inode->i_sb,
                                                    le32_to_cpu(fe->i_clusters))) {
                mlog(ML_ERROR, "block offset is outside the allocated size: "
@@ -128,8 +120,7 @@ static int ocfs2_symlink_get_block(struct inode *inode, sector_t iblock,
        err = 0;
 
 bail:
-       if (bh)
-               brelse(bh);
+       brelse(bh);
 
        mlog_exit(err);
        return err;
@@ -261,13 +252,11 @@ static int ocfs2_readpage_inline(struct inode *inode, struct page *page)
 {
        int ret;
        struct buffer_head *di_bh = NULL;
-       struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 
        BUG_ON(!PageLocked(page));
        BUG_ON(!(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL));
 
-       ret = ocfs2_read_block(osb, OCFS2_I(inode)->ip_blkno, &di_bh,
-                              OCFS2_BH_CACHED, inode);
+       ret = ocfs2_read_inode_block(inode, &di_bh);
        if (ret) {
                mlog_errno(ret);
                goto out;
@@ -485,11 +474,8 @@ handle_t *ocfs2_start_walk_page_trans(struct inode *inode,
        }
 
        if (ocfs2_should_order_data(inode)) {
-               ret = walk_page_buffers(handle,
-                                       page_buffers(page),
-                                       from, to, NULL,
-                                       ocfs2_journal_dirty_data);
-               if (ret < 0) 
+               ret = ocfs2_jbd2_file_inode(handle, inode);
+               if (ret < 0)
                        mlog_errno(ret);
        }
 out:
@@ -669,7 +655,7 @@ static void ocfs2_invalidatepage(struct page *page, unsigned long offset)
 {
        journal_t *journal = OCFS2_SB(page->mapping->host->i_sb)->journal->j_journal;
 
-       journal_invalidatepage(journal, page, offset);
+       jbd2_journal_invalidatepage(journal, page, offset);
 }
 
 static int ocfs2_releasepage(struct page *page, gfp_t wait)
@@ -678,7 +664,7 @@ static int ocfs2_releasepage(struct page *page, gfp_t wait)
 
        if (!page_has_buffers(page))
                return 0;
-       return journal_try_to_free_buffers(journal, page, wait);
+       return jbd2_journal_try_to_free_buffers(journal, page, wait);
 }
 
 static ssize_t ocfs2_direct_IO(int rw,
@@ -1075,10 +1061,7 @@ static void ocfs2_write_failure(struct inode *inode,
 
                if (page_has_buffers(tmppage)) {
                        if (ocfs2_should_order_data(inode))
-                               walk_page_buffers(wc->w_handle,
-                                                 page_buffers(tmppage),
-                                                 from, to, NULL,
-                                                 ocfs2_journal_dirty_data);
+                               ocfs2_jbd2_file_inode(wc->w_handle, inode);
 
                        block_commit_write(tmppage, from, to);
                }
@@ -1277,11 +1260,10 @@ static int ocfs2_write_cluster(struct address_space *mapping,
                        goto out;
                }
        } else if (unwritten) {
-               ocfs2_get_dinode_extent_tree(&et, inode, wc->w_di_bh);
+               ocfs2_init_dinode_extent_tree(&et, inode, wc->w_di_bh);
                ret = ocfs2_mark_extent_written(inode, &et,
                                                wc->w_handle, cpos, 1, phys,
                                                meta_ac, &wc->w_dealloc);
-               ocfs2_put_extent_tree(&et);
                if (ret < 0) {
                        mlog_errno(ret);
                        goto out;
@@ -1722,11 +1704,10 @@ int ocfs2_write_begin_nolock(struct address_space *mapping,
                     (long long)i_size_read(inode), le32_to_cpu(di->i_clusters),
                     clusters_to_alloc, extents_to_split);
 
-               ocfs2_get_dinode_extent_tree(&et, inode, wc->w_di_bh);
+               ocfs2_init_dinode_extent_tree(&et, inode, wc->w_di_bh);
                ret = ocfs2_lock_allocators(inode, &et,
                                            clusters_to_alloc, extents_to_split,
                                            &data_ac, &meta_ac);
-               ocfs2_put_extent_tree(&et);
                if (ret) {
                        mlog_errno(ret);
                        goto out;
@@ -1750,6 +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.
@@ -1758,7 +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;
        }
 
        /*
@@ -1771,14 +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)
@@ -1790,6 +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);
 
@@ -1920,10 +1910,7 @@ int ocfs2_write_end_nolock(struct address_space *mapping,
 
                if (page_has_buffers(tmppage)) {
                        if (ocfs2_should_order_data(inode))
-                               walk_page_buffers(wc->w_handle,
-                                                 page_buffers(tmppage),
-                                                 from, to, NULL,
-                                                 ocfs2_journal_dirty_data);
+                               ocfs2_jbd2_file_inode(wc->w_handle, inode);
                        block_commit_write(tmppage, from, to);
                }
        }