linux-stable.git/fs/ubifs/debug.c, branch linux-3.3.y

UBIFS: fix key printing

2012-01-13T10:50:42+00:00

Before commit 56e46742e846e4de167dde0e1e1071ace1c882a5 we have had locking
around all printing macros and we could use static buffers for creating
key strings and printing them. However, now we do not have that locking and
we cannot use static buffers. This commit removes the old DBGKEY() macros
and introduces few new helper macros for printing debugging messages plus
a key at the end. Thankfully, all the messages are already structures in
a way that the key is printed in the end.

Signed-off-by: Artem Bityutskiy

UBIFS: use snprintf instead of sprintf when printing keys

2012-01-13T10:46:21+00:00

Switch to 'snprintf()' which is more secure and reliable. This is also a
preparation to the subsequent key printing fixes.

Signed-off-by: Artem Bityutskiy

UBIFS: introduce a helper to dump scanning info

2011-08-22T13:23:56+00:00

This commit adds 'dbg_dump_sleb()' helper function to dump scanning
information.

Signed-off-by: Artem Bityutskiy

UBIFS: improve power cut emulation testing

2011-07-04T07:54:34+00:00

This patch cleans-up and improves the power cut testing:

1. Kill custom 'simple_random()' function and use 'random32()' instead.
2. Make timeout larger
3. When cutting the buffer - fill the end with random data sometimes, not
   only with 0xFFs.
4. Some times cut in the middle of the buffer, not always at the end.

Signed-off-by: Artem Bityutskiy

UBIFS: rename recovery testing variables

2011-07-04T07:54:34+00:00

Since the recovery testing is effectively about emulating power cuts by UBIFS,
use "power cut" as the base term for all the related variables and name them
correspondingly. This is just a minor clean-up for the sake of readability.

Signed-off-by: Artem Bityutskiy

UBIFS: remove custom list of superblocks

2011-07-04T07:54:33+00:00

This is a clean-up of the power-cut emulation code - remove the custom list of
superblocks which we maintained to find the superblock by the UBI volume
descriptor. We do not need that crud any longer, because now we can get the
superblock as a function argument.

Signed-off-by: Artem Bityutskiy

UBIFS: stop re-defining UBI operations

2011-07-04T07:54:33+00:00

Now when we use UBIFS helpers for all the I/O, we can remove the horrible hack
of re-defining UBI I/O functions.

Signed-off-by: Artem Bityutskiy

UBIFS: remove unused and unneeded debugging function

2011-07-04T07:54:32+00:00

This patch contains several minor clean-up and preparational cahnges.

1. Remove 'dbg_read()', 'dbg_write()', 'dbg_change()', and 'dbg_leb_erase()'
   functions as they are not used.
2. Remove 'dbg_leb_read()' and 'dbg_is_mapped()' as they are not really needed,
   it is fine to let reads go through in failure mode.
3. Rename 'offset' argument to 'offs' to be consistent with the rest of UBIFS
   code.

Signed-off-by: Artem Bityutskiy

UBIFS: add global debugfs knobs

2011-07-04T07:54:32+00:00

Now we have per-FS (superblock) debugfs knobs, but they have one drawback - you
have to first mount the FS and only after this you can switch self-checks
on/off. But often we want to have the checks enabled during the mount.
Introduce global debugging knobs for this purpose.

Signed-off-by: Artem Bityutskiy

UBIFS: introduce debugfs helpers

2011-07-04T07:54:32+00:00

Separate out pieces of code from the debugfs file read/write functions and
create separate 'interpret_user_input()'/'provide_user_output()' helpers. These
helpers will be needed in one of the following patches, so this is just a
preparational change.

Signed-off-by: Artem Bityutskiy