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authorJan Kara <jack@suse.cz>2013-11-12 15:07:08 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 12:09:02 +0900
commit41ecc345984bcc8bf341a3e758c1eb3fc543dd83 (patch)
tree6b1d1e3a3f47b1ec5182e466d737f0496744013c /fs
parentd00d2f8ab9f20f8e6a0fc3804847b418498d80b8 (diff)
ocfs2: simplify ocfs2_invalidatepage() and ocfs2_releasepage()
Ocfs2 doesn't do data journalling. Thus its ->invalidatepage and ->releasepage functions never get called on buffers that have journal heads attached. So just use standard variants of functions from buffer.c. Signed-off-by: Jan Kara <jack@suse.cz> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/ocfs2/aops.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index f959a1532767..aeb44e879c51 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -594,26 +594,11 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
ocfs2_rw_unlock(inode, level);
}
-/*
- * 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 int offset,
- unsigned int length)
-{
- journal_t *journal = OCFS2_SB(page->mapping->host->i_sb)->journal->j_journal;
-
- jbd2_journal_invalidatepage(journal, page, offset, length);
-}
-
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 jbd2_journal_try_to_free_buffers(journal, page, wait);
+ return try_to_free_buffers(page);
}
static ssize_t ocfs2_direct_IO(int rw,
@@ -2092,7 +2077,7 @@ const struct address_space_operations ocfs2_aops = {
.write_end = ocfs2_write_end,
.bmap = ocfs2_bmap,
.direct_IO = ocfs2_direct_IO,
- .invalidatepage = ocfs2_invalidatepage,
+ .invalidatepage = block_invalidatepage,
.releasepage = ocfs2_releasepage,
.migratepage = buffer_migrate_page,
.is_partially_uptodate = block_is_partially_uptodate,