- 08 Nov, 2012 40 commits
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Philipp Reisner authored
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Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by:
Lars Ellenberg <lars.ellenberg@linbit.com>
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Philipp Reisner authored
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Philipp Reisner authored
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Philipp Reisner authored
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Philipp Reisner authored
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Philipp Reisner authored
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Philipp Reisner authored
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Philipp Reisner authored
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Philipp Reisner authored
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Lars Ellenberg authored
Recent commit drbd: get rid of bio_split, allow bios of "arbitrary" size had a reference count leak: it only deactivated the first of several activity log extents for intervals crossing extent boundaries. This commit generalizes on bios spanning multiple activity log extents in drbd_al_begin_io, and adds the necessary loop around lc_put in drbd_al_complete_io as well. Signed-off-by:
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Lars Ellenberg authored
Where "arbitrary" size is currently 1 MiB, which is the BIO_MAX_SIZE for architectures with 4k PAGE_CACHE_SIZE (most). Signed-off-by:
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Lars Ellenberg authored
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Lars Ellenberg authored
We want to avoid bio_split for bios crossing activity log boundaries. So we may need to activate two activity log extents "atomically". drbd_al_begin_io() needs to know more than just the start sector. Signed-off-by:
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Lars Ellenberg authored
So we can initialize a clean on disk activity log area, without the module complaining with loud assert messages because of checksum or magic value mismatches. Signed-off-by:
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Andreas Gruenbacher authored
Packets of type P_HAND_SHAKE define which protocol versions and features a node supports. For clarity, call those packets P_CONNECTION_FEATURES instead. (This does not determine the features that a specific drbd device supports, such as drbd protocol A, B, C.) Signed-off-by:
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Andreas Gruenbacher authored
The first packets exchanged when a connection is established are referred to as P_HAND_SHAKE_S and P_HAND_SHAKE_M in the code, followed by P_HAND_SHAKE packets. To avoid confusion between these two unrelated things, call the initial packets P_INITIAL_DATA and P_INITIAL_META. Signed-off-by:
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
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Philipp Reisner authored
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Philipp Reisner authored
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Philipp Reisner authored
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Philipp Reisner authored
During a disconnect the oc variable in _conn_request_state() could become outdated. Determin the common old state after sleeping. While at it, I implemented that for all parts of the state Signed-off-by:
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Philipp Reisner authored
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Andreas Gruenbacher authored
The receive handlers do not all handle unknown volume numbers the same way. Signed-off-by:
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
These messages can only trigger in case there is a pretty obvious internal programming error. Signed-off-by:
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
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Philipp Reisner authored
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
There is no need to send protocol 80 headers to peers that understand protocol 95 headers. Make sure that we don't send protocol 95 headers until we have agreed upon a protocol version with our peer, though. Signed-off-by:
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Andreas Gruenbacher authored
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Andreas Gruenbacher authored
The pattern of receiving a fixed number of bytes and warning if a short packet is received and the receiver has not actively been interruped is repeated many times; clean that up. Signed-off-by:
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