From patchwork Fri Aug 31 22:21:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [05/15,v2] ocfs2: implement invalidatepage_range aop Date: Fri, 31 Aug 2012 12:21:41 -0000 From: Lukas Czerner X-Patchwork-Id: 181066 Message-Id: <1346451711-1931-6-git-send-email-lczerner@redhat.com> To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, tytso@mit.edu, hughd@google.com, linux-mm@kvack.org, Lukas Czerner , ocfs2-devel@oss.oracle.com mm now supports invalidatepage_range address space operation which is useful to allow truncating page range which is not aligned to the end of the page. This will help in punch hole implementation once truncate_inode_pages_range() is modify to allow this as well. With this commit ocfs2 now register only invalidatepage_range. Signed-off-by: Lukas Czerner Cc: ocfs2-devel@oss.oracle.com --- fs/ocfs2/aops.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 6577432..a101232 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -603,11 +603,12 @@ static void ocfs2_dio_end_io(struct kiocb *iocb, * from ext3. PageChecked() bits have been removed as OCFS2 does not * do journalled data. */ -static void ocfs2_invalidatepage(struct page *page, unsigned long offset) +static void ocfs2_invalidatepage_range(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); + jbd2_journal_invalidatepage_range(journal, page, offset, length); } static int ocfs2_releasepage(struct page *page, gfp_t wait) @@ -2091,7 +2092,7 @@ const struct address_space_operations ocfs2_aops = { .write_end = ocfs2_write_end, .bmap = ocfs2_bmap, .direct_IO = ocfs2_direct_IO, - .invalidatepage = ocfs2_invalidatepage, + .invalidatepage_range = ocfs2_invalidatepage_range, .releasepage = ocfs2_releasepage, .migratepage = buffer_migrate_page, .is_partially_uptodate = block_is_partially_uptodate,