Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=03f981cf2ec95dd8bc43d2ecccaec4e83c8375e2
Commit: 03f981cf2ec95dd8bc43d2ecccaec4e83c8375e2
Parent: e6c352dbc0f4dc7e3f82feafb9e6207c5814a189
Author: Joel Becker <[EMAIL PROTECTED]>
AuthorDate: Thu Jan 4 14:54:41 2007 -0800
Committer: Mark Fasheh <[EMAIL PROTECTED]>
CommitDate: Wed Mar 14 14:37:16 2007 -0700
ocfs2: add some missing address space callbacks
Under load, OCFS2 would crash in invalidate_inode_pages2_range() because
invalidate_complete_page2() was unable to invalidate a page. It would
appear that JBD is holding on to the page. ext3 has a specific
->releasepage() handler to cover this case.
Steal ext3's ->releasepage(), ->invalidatepage(), and ->migratepage(), as
they appear completely appropriate for OCFS2.
Signed-off-by: Joel Becker <[EMAIL PROTECTED]>
Signed-off-by: Mark Fasheh <[EMAIL PROTECTED]>
---
fs/ocfs2/aops.c | 26 +++++++++++++++++++++++++-
1 files changed, 25 insertions(+), 1 deletions(-)
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 93628b0..875c114 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -614,6 +614,27 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
ocfs2_rw_unlock(inode, 0);
}
+/*
+ * ocfs2_invalidatepage() and ocfs2_releasepage() are shamelessly stolen
+ * from ext3. PageChecked() bits have been removed as OCFS2 does not
+ * do journalled data.
+ */
+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);
+}
+
+static int ocfs2_releasepage(struct page *page, gfp_t wait)
+{
+ journal_t *journal =
OCFS2_SB(page->mapping->host->i_sb)->journal->j_journal;
+
+ if (!page_has_buffers(page))
+ return 0;
+ return journal_try_to_free_buffers(journal, page, wait);
+}
+
static ssize_t ocfs2_direct_IO(int rw,
struct kiocb *iocb,
const struct iovec *iov,
@@ -661,5 +682,8 @@ const struct address_space_operations ocfs2_aops = {
.commit_write = ocfs2_commit_write,
.bmap = ocfs2_bmap,
.sync_page = block_sync_page,
- .direct_IO = ocfs2_direct_IO
+ .direct_IO = ocfs2_direct_IO,
+ .invalidatepage = ocfs2_invalidatepage,
+ .releasepage = ocfs2_releasepage,
+ .migratepage = buffer_migrate_page,
};
-
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