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(parent: 22c6186) | patch
new_sync_write(): discard ->ki_pos unless the return value is positive
authorAl Viro <viro@zeniv.linux.org.uk>
Tue, 7 Apr 2015 00:50:38 +0000 (20:50 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Sun, 12 Apr 2015 02:29:46 +0000 (22:29 -0400)
commitf765b134c0d3f294f6084d3e0a11de184059a387
treec4492b1ee9661d40f1e2e2b0e88c9ba369a1162ftree
parent22c6186ecea0be9eff1c399298ad36e94a59995fcommit | diff
new_sync_write(): discard ->ki_pos unless the return value is positive

That allows ->write_iter() instances much more convenient life wrt
iocb->ki_pos (and fixes several filesystems with borderline POSIX
violations when zero-length write succeeds and changes the current
position).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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