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Matthew Ahrens
82644107c4
Authored by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov> When writing pre-compressed buffers, arc_write() requires that the compression algorithm used to compress the buffer matches the compression algorithm requested by the zio_prop_t, which is set by dmu_write_policy(). This makes dmu_write_policy() and its callers a bit more complicated. We simplify this by making arc_write() trust the caller to supply the type of pre-compressed buffer that it wants to write, and override the compression setting in the zio_prop_t. OpenZFS-issue: https://www.illumos.org/issues/8155 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/b55ff58 Closes #6200