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Hi Christoph,

The linux-next tree, since the next-20230522 tag, LTP/writev07[1]
starts to fail on xfs, not on other fs. It was pass on the previous
tag next-20230519.

After those 2 commits reverted on the top of 0522 tree, it passed.

    iomap: update ki_pos in iomap_file_buffered_write
    iomap: assign current->backing_dev_info in iomap_file_buffered_write

(the second one was reverted because the first one depends on it)

The test case writev07 forms an iovec with a bad address in the middle,
then writes to the file, expecting a fault return and file not being written.
Now it fails with a fault return but the file has been written.

Looks like it is related to the pos update, could you help to take a look ?

Thanks,
Murphy


[1] https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/syscalls/writev/writev07.c



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