aio_read_events_ring(): make a bit more readable

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The logics for 'avail' is
	* not past the tail of cyclic buffer
	* no more than asked
	* not past the end of buffer
	* not past the end of a page

Unobfuscate the last part.

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

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Al Viro 2018-05-26 19:13:10 -04:00

parent 9061d14a8a

commit d2988bd412

1 changed files with 3 additions and 4 deletions

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7

fs/aio.c

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