Alan Cox f78fd73fa6 Address several problems in vn_read and vn_write:
1. Make read-ahead work for pread and aio_read.

2. Fix one place where a comparison of uio_offset with -1
   wasn't updated to use FOF_OFFSET.

3. Honor O_APPEND in the FOF_OFFSET case.

In addition, use the variable name "ioflag" in both vn_read and
vn_write to avoid possible confusion between the variable "flag"
and the parameter "flags".

Submitted by:	Bruce Evans <bde@zeta.org.au> and me
1999-04-21 05:56:45 +00:00
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1999-03-15 05:11:27 +00:00
1999-04-17 09:12:35 +00:00
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1998-09-14 19:56:42 +00:00