The patch titled
hostfs convert to new aops fix
has been added to the -mm tree. Its filename is
hostfs-convert-to-new-aops-fix.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: hostfs convert to new aops fix
From: Nick Piggin <npiggin@xxxxxxx>
Fix lock ordering for hostfs. It seems that this filesystem may not be
vulnerable to the bug, given that it implements its own writepage, but
it is better to retain the safe ordering.
Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>
Signed-off-by: Nick Piggin <npiggin@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/hostfs/hostfs_kern.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff -puN fs/hostfs/hostfs_kern.c~hostfs-convert-to-new-aops-fix fs/hostfs/hostfs_kern.c
--- a/fs/hostfs/hostfs_kern.c~hostfs-convert-to-new-aops-fix
+++ a/fs/hostfs/hostfs_kern.c
@@ -16,6 +16,7 @@
#include <linux/list.h>
#include <linux/statfs.h>
#include <linux/kdev_t.h>
+#include <linux/swap.h> /* mark_page_accessed */
#include <asm/uaccess.h>
#include "hostfs.h"
#include "kern_util.h"
@@ -493,14 +494,15 @@ int hostfs_write_end(struct file *file,
if (!PageUptodate(page) && err == PAGE_CACHE_SIZE)
SetPageUptodate(page);
- unlock_page(page);
- page_cache_release(page);
/* If err > 0, write_file has added err to pos, so we are comparing
* i_size against the last byte written.
*/
if (err > 0 && (pos > inode->i_size))
inode->i_size = pos;
+ unlock_page(page);
+ mark_page_accessed(page);
+ page_cache_release(page);
return err;
}
_
Patches currently in -mm which might be from npiggin@xxxxxxx are
origin.patch
mm-fix-fault-vs-invalidate-race-for-linear-mappings.patch
mm-merge-populate-and-nopage-into-fault-fixes-nonlinear.patch
mm-fault-feedback-1.patch
mm-fault-feedback-2.patch
mm-fault-feedback-2-fix.patch
mm-fault-feedback-2-fix-2.patch
mm-fix-clear_page_dirty_for_io-vs-fault-race.patch
mm-revert-kernel_ds-buffered-write-optimisation.patch
revert-81b0c8713385ce1b1b9058e916edcf9561ad76d6.patch
revert-6527c2bdf1f833cc18e8f42bd97973d583e4aa83.patch
mm-clean-up-buffered-write-code.patch
mm-debug-write-deadlocks.patch
mm-trim-more-holes.patch
mm-buffered-write-cleanup.patch
mm-write-iovec-cleanup.patch
mm-fix-pagecache-write-deadlocks.patch
mm-buffered-write-iterator.patch
fs-fix-data-loss-on-error.patch
fs-introduce-write_begin-write_end-and-perform_write-aops.patch
introduce-write_begin-write_end-aops-important-fix.patch
mm-restore-kernel_ds-optimisations.patch
implement-simple-fs-aops.patch
block_dev-convert-to-new-aops.patch
ext2-convert-to-new-aops.patch
ext3-convert-to-new-aops.patch
ext3-convert-to-new-aops-fix.patch
ext4-convert-to-new-aops.patch
ext4-convert-to-new-aops-fix.patch
xfs-convert-to-new-aops.patch
fs-new-cont-helpers.patch
fat-convert-to-new-aops.patch
hfs-convert-to-new-aops.patch
hfsplus-convert-to-new-aops.patch
hpfs-convert-to-new-aops.patch
bfs-convert-to-new-aops.patch
qnx4-convert-to-new-aops.patch
reiserfs-use-generic-write.patch
reiserfs-convert-to-new-aops.patch
reiserfs-convert-to-new-aops-fix.patch
reiserfs-use-generic_cont_expand_simple.patch
with-reiserfs-no-longer-using-the-weird-generic_cont_expand-remove-it-completely.patch
nfs-convert-to-new-aops.patch
smb-convert-to-new-aops.patch
fuse-convert-to-new-aops.patch
hostfs-convert-to-new-aops.patch
hostfs-convert-to-new-aops-fix.patch
jffs2-convert-to-new-aops.patch
ufs-convert-to-new-aops.patch
udf-convert-to-new-aops.patch
udf-convert-to-new-aops-fix.patch
sysv-convert-to-new-aops.patch
minix-convert-to-new-aops.patch
jfs-convert-to-new-aops.patch
fs-adfs-convert-to-new-aops.patch
fs-affs-convert-to-new-aops.patch
affs-convert-to-new-aops-fix.patch
ocfs2-convert-to-new-aops.patch
fs-remove-some-aop_truncated_page.patch
fs-reiserfs-cleanups.patch
fs-introduce-write_begin-write_end-and-perform_write-aops-revoke.patch
reiser4-fix-for-new-aops-patches.patch
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