Attachment 307376 Details for Bug 449381 – Patch that fixes this problem.

[patch] Patch that fixes this problem.

rhel4-drop_caches-fix.patch (text/plain), 2.04 KB, created by Larry Woodman on 2008-06-02 15:04:35 UTC

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Creator: Larry Woodman

Created: 2008-06-02 15:04:35 UTC

Size: 2.04 KB

patch

obsolete

>--- linux-2.6.9/fs/inode.c.orig	2008-05-29 16:12:17.000000000 -0400
>+++ linux-2.6.9/fs/inode.c	2008-05-29 16:13:25.000000000 -0400
>@@ -315,7 +315,7 @@ static int invalidate_list(struct list_h
> 		if (inode->i_sb != sb)
> 			continue;
> 		if (pages)
>-			invalidate_inode_pages(inode->i_mapping);
>+			invalidate_all_mapping_pages(inode->i_mapping);
> 		else {
> 			invalidate_inode_buffers(inode);
> 			if (!atomic_read(&inode->i_count)) {
>--- linux-2.6.9/mm/truncate.c.orig	2008-05-29 16:12:18.000000000 -0400
>+++ linux-2.6.9/mm/truncate.c	2008-05-29 16:13:25.000000000 -0400
>@@ -184,6 +184,38 @@ void truncate_inode_pages(struct address
> 
> EXPORT_SYMBOL(truncate_inode_pages);
> 
>+void invalidate_all_mapping_pages(struct address_space *mapping)
>+{
>+	struct pagevec pvec;
>+	pgoff_t next = 0;
>+	int i;
>+
>+	pagevec_init(&pvec, 0);
>+	while (next <= ~0UL &&
>+		pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE)) {
>+		for (i = 0; i < pagevec_count(&pvec); i++) {
>+			struct page *page = pvec.pages[i];
>+
>+			if (TestSetPageLocked(page)) {
>+				next++;
>+				continue;
>+			}
>+			if (page->index > next)
>+				next = page->index;
>+			next++;
>+			if (!PageDirty(page) && !PageWriteback(page) &&
>+			    !page_mapped(page))
>+				invalidate_complete_page(mapping, page);
>+			unlock_page(page);
>+			if (next > ~0UL)
>+			break;
>+		}
>+		pagevec_release(&pvec);
>+	}
>+	return;
>+}
>+
>+
> /**
>  * invalidate_mapping_pages - Invalidate all the unlocked pages of one inode
>  * @mapping: the address_space which holds the pages to invalidate
>--- linux-2.6.9/include/linux/fs.h.orig	2008-05-29 16:16:03.000000000 -0400
>+++ linux-2.6.9/include/linux/fs.h	2008-05-29 16:15:53.000000000 -0400
>@@ -1380,6 +1380,7 @@ extern int invalidate_partition(struct g
> unsigned long invalidate_mapping_pages(struct address_space *mapping,
> 					pgoff_t start, pgoff_t end);
> unsigned long invalidate_inode_pages(struct address_space *mapping);
>+void  invalidate_all_mapping_pages(struct address_space *mapping);
> static inline void invalidate_remote_inode(struct inode *inode)
> {
> 	if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||

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Attachments on bug 449381: 307376