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[v2,0/2] Fixes for READ_PLUS

Message ID 20201208202925.597663-1-Anna.Schumaker@Netapp.com (mailing list archive)
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Series Fixes for READ_PLUS | expand

Message

Anna Schumaker Dec. 8, 2020, 8:29 p.m. UTC 
From: Anna Schumaker <Anna.Schumaker@Netapp.com>

These patches fix up hole and data segment decoding for READ_PLUS. It
turns out I wasn't handling data getting truncated off the end of the
message properly. These patches fix it up, and now xfstests generic/091
and generic/263 pass when run against servers exporting ext4 and btrfs.
These tests also pass against servers exporting xfs when the clone
operation is disabled, so it seems like there is something going on
inside the xfs filesystem causing these tests to still fail.

- Changes since v1:
  - Drop patch for allocating scratch page
  - Drop patch for disabling READ_PLUS behind a Kconfig option

Thanks,
Anna

Anna Schumaker (2):
  SUNRPC: Keep buf->len in sync with xdr->nwords when expanding holes
  SUNRPC: Check if the buffer has fewer bytes than requested

 net/sunrpc/xdr.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)