3 files changed, 18 insertions, 15 deletions

diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 9da9125ba3ef..a8d3217c5cfe 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -1136,9 +1136,11 @@ struct buffer_head *ext3_bread(handle_t *handle, struct inode *inode,
         bh = ext3_getblk(handle, inode, block, create, err);
         if (!bh)
                 return bh;
-        if (buffer_uptodate(bh))
+        if (bh_uptodate_or_lock(bh))
                 return bh;
-        ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &bh);
+        get_bh(bh);
+        bh->b_end_io = end_buffer_read_sync;
+        submit_bh(READ | REQ_META | REQ_PRIO, bh);
         wait_on_buffer(bh);
         if (buffer_uptodate(bh))
                 return bh;
@@ -2068,12 +2070,10 @@ static int ext3_block_truncate_page(struct inode *inode, loff_t from)
         if (PageUptodate(page))
                 set_buffer_uptodate(bh);
 
-        if (!buffer_uptodate(bh)) {
-                err = -EIO;
-                ll_rw_block(READ, 1, &bh);
-                wait_on_buffer(bh);
+        if (!bh_uptodate_or_lock(bh)) {
+                err = bh_submit_read(bh);
                 /* Uhhuh. Read error. Complain and punt. */
-                if (!buffer_uptodate(bh))
+                if (err)
                         goto unlock;
         }
 
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 642dc6d66dfd..337c3f3375c4 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -921,9 +921,12 @@ restart:
                                 num++;
                                 bh = ext3_getblk(NULL, dir, b++, 0, &err);
                                 bh_use[ra_max] = bh;
-                                if (bh)
-                                        ll_rw_block(READ | REQ_META | REQ_PRIO,
-                                                    1, &bh);
+                                if (bh && !bh_uptodate_or_lock(bh)) {
+                                        get_bh(bh);
+                                        bh->b_end_io = end_buffer_read_sync;
+                                        submit_bh(READ | REQ_META | REQ_PRIO,
+                                                  bh);
+                                }
                         }
                 }
                 if ((bh = bh_use[ra_ptr++]) == NULL)
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 767fa3a2bd17..662cef4569ab 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2231,11 +2231,11 @@ static journal_t *ext3_get_dev_journal(struct super_block *sb,
                 goto out_bdev;
         }
         journal->j_private = sb;
-        ll_rw_block(READ, 1, &journal->j_sb_buffer);
-        wait_on_buffer(journal->j_sb_buffer);
-        if (!buffer_uptodate(journal->j_sb_buffer)) {
-                ext3_msg(sb, KERN_ERR, "I/O error on journal device");
-                goto out_journal;
+        if (!bh_uptodate_or_lock(journal->j_sb_buffer)) {
+                if (bh_submit_read(journal->j_sb_buffer)) {
+                        ext3_msg(sb, KERN_ERR, "I/O error on journal device");
+                        goto out_journal;
+                }
         }
         if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {
                 ext3_msg(sb, KERN_ERR,