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DAOS-13938 dfuse: adjust offset in readdir cache entry list #15213

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DAOS-13938 dfuse: adjust offset in readdir cache entry list #15213

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Commits on Sep 27, 2024

  1. DAOS-13938 dfuse: adjust offset in readdir cache entry list 

    The dfuse readdir caching feature stats entries returned by
dfs readdir that might be legimitely deleted by another process
or another node. When this happens, the dfuse code decides to
skip the deleted entry, but might leave the readdir entry cache
in an inconsistent state causing the following assertion failure
in dfuse_dre_drop():
drc->drc_next_offset == expected_offset + 1 || drc->drc_next_offset == READDIR_EOD

This patch fixes the offset in the linked list of cached readdir
entries to support skipped entries.

Change-Id: Icbd5abb648110559851002301e758128e4ced2c7
Signed-off-by: Johann Lombardi <johann.lombardi@gmail.com>
    @johannlombardi @jolivier23
    johannlombardi authored and jolivier23 committed Sep 27, 2024
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