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(parent: 559c7a5) | patch
dd: support iflag=direct with arbitrary sized files
authorPádraig Brady <P@draigBrady.com>
Mon, 16 Oct 2017 06:54:29 +0000 (23:54 -0700)
committerPádraig Brady <P@draigBrady.com>
Sat, 25 Nov 2017 00:28:57 +0000 (16:28 -0800)
commit5f02cddc184a55b47d2b27c50c25d093d35ce13a
treed428e57e3553a098f1402a933eda89c80fc7edabtree
parent559c7a57c73d619bbf68b2f6176bed0801d9716ccommit | diff
dd: support iflag=direct with arbitrary sized files

* src/dd.c (iread): Handle read error with a non-aligned
file offset in the O_DIRECT case.  This is not an issue
on XFS at least, but on EXT4 the final read will return
EINVAL rather than the expected 0 to indicate EOF.
* tests/dd/direct.sh: Test the iflag=direct case also.
* NEWS: Mention the improvement.
NEWS diff | blob | blame | history
src/dd.c diff | blob | blame | history
tests/dd/direct.sh diff | blob | blame | history
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