Hi,
On Sat, 2005-09-17 at 16:51 +0200, Luca wrote:
> Jean Delvare <[email protected]> ha scritto:
> > Hi Anton, Bas, all,
> >
> > [Bas Vermeulen]
> >> > I get a kernel BUG when mounting my (dirty) NTFS volume.
> >> >
> >> > Sep 12 18:54:47 laptop kernel: [4294708.961000] NTFS volume version
> >> > 3.1. Sep 12 18:54:47 laptop kernel: [4294708.961000] NTFS-fs error
> >> > (device sda2): load_system_files(): Volume is dirty. Mounting
> >> > read-only. Run chkdsk and mount in Windows.
> >> > Sep 12 18:54:47 laptop kernel: [4294709.063000] ------------[ cut
> >> > here ]------------
> >> > Sep 12 18:54:47 laptop kernel: [4294709.063000] kernel BUG at
> >> > fs/ntfs/aops.c:403!
> >
> > I just hit the same BUG in different conditions. My NTFS volume is not
> > dirty, not compressed and the BUG triggered on use (updatedb), not
> > mount.
>
> Same here, but it only triggers accessing a compressed directory. I can
> reproduce at will just by using 'ls' inside a compressed dir.
Below is the fix I just sent off to Linus.
Best regards,
Anton
--
Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @)
Unix Support, Computing Service, University of Cambridge, CB2 3QH, UK
Linux NTFS maintainer / IRC: #ntfs on irc.freenode.net
WWW: http://linux-ntfs.sf.net/ & http://www-stu.christs.cam.ac.uk/~aia21/
Subject: [PATCH 2/3] NTFS: Fix handling of compressed directories that I broke in earlier changeset.
Signed-off-by: Anton Altaparmakov <[email protected]>
---
fs/ntfs/aops.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
4e64c88693fde1b1cbaa4cfecad43a0c3fad354e
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -389,9 +389,11 @@ retry_readpage:
* Only $DATA attributes can be encrypted and only unnamed $DATA
* attributes can be compressed. Index root can have the flags set but
* this means to create compressed/encrypted files, not that the
- * attribute is compressed/encrypted.
+ * attribute is compressed/encrypted. Note we need to check for
+ * AT_INDEX_ALLOCATION since this is the type of both directory and
+ * index inodes.
*/
- if (ni->type != AT_INDEX_ROOT) {
+ if (ni->type != AT_INDEX_ALLOCATION) {
/* If attribute is encrypted, deny access, just like NT4. */
if (NInoEncrypted(ni)) {
BUG_ON(ni->type != AT_DATA);
@@ -1341,9 +1343,11 @@ retry_writepage:
* Only $DATA attributes can be encrypted and only unnamed $DATA
* attributes can be compressed. Index root can have the flags set but
* this means to create compressed/encrypted files, not that the
- * attribute is compressed/encrypted.
+ * attribute is compressed/encrypted. Note we need to check for
+ * AT_INDEX_ALLOCATION since this is the type of both directory and
+ * index inodes.
*/
- if (ni->type != AT_INDEX_ROOT) {
+ if (ni->type != AT_INDEX_ALLOCATION) {
/* If file is encrypted, deny access, just like NT4. */
if (NInoEncrypted(ni)) {
unlock_page(page);
-
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