From: Lukas Czerner Subject: [PATCH v3 05/18] xfs: use ->invalidatepage() length argument Date: Tue, 9 Apr 2013 11:14:14 +0200 Message-ID: <1365498867-27782-6-git-send-email-lczerner@redhat.com> References: <1365498867-27782-1-git-send-email-lczerner@redhat.com> Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, Lukas Czerner , xfs@oss.sgi.com To: linux-mm@kvack.org Return-path: In-Reply-To: <1365498867-27782-1-git-send-email-lczerner@redhat.com> Sender: owner-linux-mm@kvack.org List-Id: linux-ext4.vger.kernel.org ->invalidatepage() aop now accepts range to invalidate so we can make use of it in xfs_vm_invalidatepage() Signed-off-by: Lukas Czerner Cc: xfs@oss.sgi.com --- fs/xfs/xfs_aops.c | 5 +++-- fs/xfs/xfs_trace.h | 41 ++++++++++++++++++++++++++++++++++++++++- 2 files changed, 43 insertions(+), 3 deletions(-) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index e426796..e8018d3 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -826,8 +826,9 @@ xfs_vm_invalidatepage( unsigned int offset, unsigned int length) { - trace_xfs_invalidatepage(page->mapping->host, page, offset); - block_invalidatepage(page, offset, PAGE_CACHE_SIZE - offset); + trace_xfs_invalidatepage(page->mapping->host, page, offset, + length); + block_invalidatepage(page, offset, length); } /* diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 16a8129..91d6434 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -991,7 +991,46 @@ DEFINE_EVENT(xfs_page_class, name, \ TP_ARGS(inode, page, off)) DEFINE_PAGE_EVENT(xfs_writepage); DEFINE_PAGE_EVENT(xfs_releasepage); -DEFINE_PAGE_EVENT(xfs_invalidatepage); + +TRACE_EVENT(xfs_invalidatepage, + TP_PROTO(struct inode *inode, struct page *page, unsigned int off, + unsigned int len), + TP_ARGS(inode, page, off, len), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_ino_t, ino) + __field(pgoff_t, pgoff) + __field(loff_t, size) + __field(unsigned int, offset) + __field(unsigned int, length) + __field(int, delalloc) + __field(int, unwritten) + ), + TP_fast_assign( + int delalloc = -1, unwritten = -1; + + if (page_has_buffers(page)) + xfs_count_page_state(page, &delalloc, &unwritten); + __entry->dev = inode->i_sb->s_dev; + __entry->ino = XFS_I(inode)->i_ino; + __entry->pgoff = page_offset(page); + __entry->size = i_size_read(inode); + __entry->offset = off; + __entry->length = len; + __entry->delalloc = delalloc; + __entry->unwritten = unwritten; + ), + TP_printk("dev %d:%d ino 0x%llx pgoff 0x%lx size 0x%llx offset %x " + "length %x delalloc %d unwritten %d", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->ino, + __entry->pgoff, + __entry->size, + __entry->offset, + __entry->length, + __entry->delalloc, + __entry->unwritten) +) DECLARE_EVENT_CLASS(xfs_imap_class, TP_PROTO(struct xfs_inode *ip, xfs_off_t offset, ssize_t count, -- 1.7.7.6 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org