On Wed, Dec 7, 2016 at 6:49 AM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
> On Wed, Dec 7, 2016 at 5:47 AM, Dave Chinner <david@xxxxxxxxxxxxx> wrote:
>> From: Dave Chinner <dchinner@xxxxxxxxxx>
>>
>
> Thank you for fixing this!
> See some typo fixes below.
> I will test the fix later today.
>
Short of one compilation warning I commented on,
I tested these changes and found no regression with -g quick run
I also verified that my test can be converted to use the one shot commands,
e.g.:
$XFS_IO_PROG -r foo \
-C "open foo" \
-C "pwrite -S 0x61 0 16" \
-C "file 0" \
-C "pread -v 0 16" \
| _filter_xfs_io
$XFS_IO_PROG -r bar \
-C "mmap -r 0 16" \
-C "open bar" \
-C "pwrite -S 0x61 0 16" \
-C "mread -v 0 16" \
| _filter_xfs_io
Notice that I used explicit -C for all commands including the implicit
one shot commands.
1. Do you think that xfs_io should error on -c "open foo" to force
explicit -C "open foo"?
it can't be breaking any existing users, because -c "open foo" is
already very broken.
2. You marked mmap ONE_SHOT, but not all the m* commands.
Stands to reason that they should all be marked ONE_SHOT. because iterating
the file table has nothing to do with the m* commands. no?
About the fix to overlay/016.
How would you prefer to address the conditional availability of xfs_io -C?
1. new helper _require_xfs_io_one_shot_command
2. _require_xfs_io_command "open" (which internally checks for xfs_io -C "open")
3. third option?
Cheers,
Amir.
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