AMD IOMMU: avoid unnecessary low zone allocation in alloc_coherent

[linux-2.6-omap-h63xx.git] / fs / jbd2 / commit.c

diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index f8b3be8732262f1642c0a1b4e19399bd048b964f..f2ad061e95ec93937b7b5f3adfe48fb2b446ad0d 100644 (file)
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -67,7 +67,7 @@ static void release_buffer_page(struct buffer_head *bh)
                goto nope;
 
        /* OK, it's a truncated page */
-       if (TestSetPageLocked(page))
+       if (!trylock_page(page))
                goto nope;
 
        page_cache_get(page);
@@ -262,8 +262,18 @@ static int journal_finish_inode_data_buffers(journal_t *journal,
                jinode->i_flags |= JI_COMMIT_RUNNING;
                spin_unlock(&journal->j_list_lock);
                err = filemap_fdatawait(jinode->i_vfs_inode->i_mapping);
-               if (!ret)
-                       ret = err;
+               if (err) {
+                       /*
+                        * Because AS_EIO is cleared by
+                        * wait_on_page_writeback_range(), set it again so
+                        * that user process can get -EIO from fsync().
+                        */
+                       set_bit(AS_EIO,
+                               &jinode->i_vfs_inode->i_mapping->flags);
+
+                       if (!ret)
+                               ret = err;
+               }
                spin_lock(&journal->j_list_lock);
                jinode->i_flags &= ~JI_COMMIT_RUNNING;
                wake_up_bit(&jinode->i_flags, __JI_COMMIT_RUNNING);
@@ -670,8 +680,14 @@ start_journal_io:
         * commit block, which happens below in such setting.
         */
        err = journal_finish_inode_data_buffers(journal, commit_transaction);
-       if (err)
-               jbd2_journal_abort(journal, err);
+       if (err) {
+               char b[BDEVNAME_SIZE];
+
+               printk(KERN_WARNING
+                       "JBD2: Detected IO errors while flushing file data "
+                       "on %s\n", bdevname(journal->j_fs_dev, b));
+               err = 0;
+       }
 
        /* Lo and behold: we have just managed to send a transaction to
            the log.  Before we can commit it, wait for the IO so far to