linux-toradex.git/drivers/mtd/ubi, branch v2.6.27.50

UBI: fix volume creation input checking

2010-04-01T22:52:15+00:00

commit c5ce5b46af76f52dea21f467397d24c4ae6cb3ff upstream.

Do not use an unchecked variable UBI_IOCMKVOL ioctl.

Signed-off-by: Mika Westerberg 
Signed-off-by: Artem Bityutskiy 
Signed-off-by: Greg Kroah-Hartman

UBI: always start the background thread

2008-07-25T08:35:15+00:00

This fix only affects UBI debugging.

If the the background thread is disabled for debugging purposes,
start it anyway, because otherwise we see tonns of kernel debugging
complaints like this:

INFO: task ubi_bgt0d:26857 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
ubi_bgt0d     D dd37bf94     0 26857      2
       dd37bfcc 00000086 f8e17cea dd37bf94 00000046 00000000 00000000 f5c62430
       f5c62430 f5c62590 c2a09c80 f6cbd498 dd8e9cbc 00000296 dd37bfb0 00000296
       dd8e9cb8 dd8e9cbc dd37bfcc c0119774 00000000 00000000 c0132e89 f6961560
Call Trace:
 [] ? ubi_thread+0x0/0x127 [ubi]
 [] ? complete+0x43/0x4b
 [] ? kthread+0x0/0x5b
 [] ? ubi_thread+0x0/0x127 [ubi]
 [] kthread+0x25/0x5b
 [] ? kthread+0x0/0x5b
 [] kernel_thread_helper+0x7/0x14
 =======================

So start it, and go sleep inside it, instead of creating it and never
start.

Signed-off-by: Artem Bityutskiy

UBI: fix gcc warning

2008-07-24T10:36:10+00:00

Fix the following warning:

drivers/mtd/ubi/vmt.c: In function 'ubi_rename_volumes':
drivers/mtd/ubi/vmt.c:642: warning: statement with no effect

Signed-off-by: Artem Bityutskiy

UBI: remove pre-sqnum images support

2008-07-24T10:36:09+00:00

Before UBI got into mainline, there was a slight flash format
change - we did not have sequence number support, then added it.

We have carried full support of those ancient images till this
moment. Now the support is removed, well, not fully removed.

Now UBI will support only _clean_ old images, which were cleanly
detached last time (just before kernel upgrade). This is most
likely the case.

But we will not support unclean ancient images. Surprisingly,
this allows us to remove a big chunk of legacy code.

And the same should be true for downgrading: clean images should
downgrade fine, but unclean ones will not.

Signed-off-by: Artem Bityutskiy

UBI: fix kernel-doc errors and warnings

2008-07-24T10:36:09+00:00

No functional changes, just tweak comments to make kernel-doc
work fine and stop complaining.

Signed-off-by: Artem Bityutskiy

UBI: fix checkpatch.pl errors and warnings

2008-07-24T10:36:09+00:00

Just out or curiousity ran checkpatch.pl for whole UBI,
and discovered there are quite a few of stylistic issues.
Fix them.

Signed-off-by: Artem Bityutskiy

UBI: bugfix - do not torture PEB needlessly

2008-07-24T10:34:46+00:00

This is probably a copy-paste bug - we torture the old PEB
in the atomic LEB change function, but we should not do this.

Signed-off-by: Artem Bityutskiy

UBI: rework scrubbing messages

2008-07-24T10:34:46+00:00

If bit-flips happen often, UBI prints to many messages. Lessen
the amount by only printing the messages when the PEB has been
scrubbed. Also, print torturing messages.

Signed-off-by: Artem Bityutskiy

UBI: implement multiple volumes rename

2008-07-24T10:34:46+00:00

Quite useful ioctl which allows to make atomic system upgrades.
The idea belongs to Richard Titmuss 

Signed-off-by: Artem Bityutskiy

UBI: fix and re-work debugging stuff

2008-07-24T10:34:45+00:00

Signed-off-by: Artem Bityutskiy