Re: [PATCH 17/32 V2] xfs: verify dquot blocks as they are read from disk

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On 11/15/12 14:48, Dave Chinner wrote:
On Thu, Nov 15, 2012 at 11:55:47AM -0600, Mark Tinguely wrote:
On 11/14/12 00:50, Dave Chinner wrote:
xfs: verify dquot blocks as they are read from disk

From: Dave Chinner<dchinner@xxxxxxxxxx>

Add a dquot buffer verify callback function and pass it into the
buffer read functions. This checks all the dquots in a buffer, but
cannot completely verify the dquot ids are correct. Also, errors
cannot be repaired, so an additional function is added to repair bad
dquots in the buffer if such an error is detected in a context where
repair is allowed.

Signed-off-by: Dave Chinner<dchinner@xxxxxxxxxx>
Reviewed-by: Phil White<pwhite@xxxxxxx>
---
V2: quotacheck wasn't verifying dquots as they were read from disk


FYI:

The xfs_quota program does not generate output with V2 which causes
xfstest 050 to fails.

I don't think that has anything to do with this patch orthechange
for V2 - V2 only changes quotacheck behaviour, and that doesn't
impact xfs_quota behaviour. The test passes just fine here:

$ sudo ./check 050
FSTYP         -- xfs (debug)
PLATFORM      -- Linux/x86_64 test-2 3.7.0-rc5-dgc+
MKFS_OPTIONS  -- -f -bsize=4096 /dev/vdb
MOUNT_OPTIONS -- /dev/vdb /mnt/scratch

050 14s ... 15s
Ran: 050
Passed all 1 tests

So perhaps there's something else going wrong on your machine?

Cheers,

Dave.

I will do more investigating. With V2 050 output:

QA output created by 050
*** user
meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks
data     = bsize=XXX blocks=XXX, imaxpct=PCT
         = sunit=XXX swidth=XXX, unwritten=X
naming   =VERN bsize=XXX
log      =LDEV bsize=XXX blocks=XXX
realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX

*** report no quota settings

*** report initial settings

*** push past the soft inode limit

*** push past the soft block limit

...

Maybe it is my xfs_quota app, although it works fine with V1 kernel sources.

--Mark.


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