genode/repos/dde_rump/src
Alexander Boettcher accc7e7521 fs servers: handle result propagation better
This patch removes the notion of partial writes from the file-system
servers. Since write operations are asynchronously submitted, they are
expected to succeed completely, except for I/O errors. I/O errors are
propagated with the write acknowledgement but those are usually handled
out of band at the client side. Partial writes must never occur because
they would go undetected by clients, which usually don't wait for the
completion of each single write operation.

Until now, most file-system servers returned the number of written bytes
in the acknowledgement packet. If a server managed to write a part of
the request only, it issued the acknowledgement immediately where it
should have cared about writing the remaining part first.

The patch detects such misbehaving server-side code. If partial writes
unexpectedly occur, it prints a message and leaves the corresponding
request unacknowdleged.

Issue #2672
2018-02-15 10:22:08 +01:00
..
ld Introduce 'spec' subdirectories to outline aspects 2015-09-16 13:58:50 +02:00
lib VFS Rump: increase open file limit 2018-02-14 20:41:07 +01:00
rump_dummy Exclude higher-level repos from strict warnings 2018-01-17 12:14:36 +01:00
server/rump_fs fs servers: handle result propagation better 2018-02-15 10:22:08 +01:00
test/blk_crypt Exclude higher-level repos from strict warnings 2018-01-17 12:14:36 +01:00