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This simplifies the process of timing out messages. We
keep lru of current messages that are in flight. If a
timeout has passed, we reset the osd connection, so that
messages will be retransmitted. This is a failsafe in case
we hit some sort of problem sending out message to the OSD.
Normally, we'll get notification via an updated osdmap if
there are problems.
If a request is older than the keepalive timeout, send a
keepalive to ensure we detect any breaks in the TCP connection.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
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Use a global counter for the minimum number of allocated caps instead of
hard coding a check against readdir_max. This takes into account multiple
client instances, and avoids examining the superblock mount options when a
cap is dropped.
Signed-off-by: Sage Weil <sage@newdream.net>
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Instead of removing osd connection immediately when the
requests list is empty, put the osd connection on an lru.
Only if that osd has not been used for more than a specified
time, will it be removed.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
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Add infrastructure to allow the mon_client to periodically renew its auth
credentials. Also add a messenger callback that will force such a renewal
if a peer rejects our authenticator.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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Set bdi congestion bit when amount of write data in flight exceeds adjustable
threshold.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
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Also, print fsid using standard format, NOT hex dump.
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Yehuda Sadeh <yehuda@newdream.net>
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We may first learn our fsid from any of the mon, osd, or mds maps
(whichever the monitor sends first). Consolidate checks in a single
helper. Initialize the client debugfs entry then, since we need the
fsid (and global_id) for the directory name.
Also remove dead mount code.
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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When we open a monitor session, we send an initial AUTH message listing
the auth protocols we support, our entity name, and (possibly) a previously
assigned global_id. The monitor chooses a protocol and responds with an
initial message.
Initially implement AUTH_NONE, a dummy protocol that provides no security,
but works within the new framework. It generates 'authorizers' that are
used when connecting to (mds, osd) services that simply state our entity
name and global_id.
This is a wire protocol change.
Signed-off-by: Sage Weil <sage@newdream.net>
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Unwind initializing if we get ENOMEM during client initialization.
Signed-off-by: Sage Weil <sage@newdream.net>
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Use the __le macro, even though for -1 it doesn't matter.
Signed-off-by: Sage Weil <sage@newdream.net>
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This keeps bdi setup/teardown in line with client life cycle.
Signed-off-by: Sage Weil <sage@newdream.net>
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This simplifies much of the error handling during mount. It also means
that we have the mount args before client creation, and we can initialize
based on those options.
Signed-off-by: Sage Weil <sage@newdream.net>
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Clearly demark int and string argument options, and do not try to convert
string arguments to ints.
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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Since we've increased the max mon count, we shouldn't put the addr array
on the parse_mount_args stack. Put it on the heap instead.
Signed-off-by: Sage Weil <sage@newdream.net>
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Get rid of separate max mon limit; use the system limit instead. This
allows mounts when there are lots of mon addrs provided by mount.ceph (as
with a host with lots of A/AAAA records).
Signed-off-by: Sage Weil <sage@newdream.net>
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Initialized bdi->ra_pages to enable readahead. Use 512KB default.
Signed-off-by: Sage Weil <sage@newdream.net>
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Writeback doesn't work without the bdi set, and writeback on
umount doesn't work if we unregister the bdi too early.
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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Kill the old git revision; print the ceph version and protocol
versions instead.
Signed-off-by: Sage Weil <sage@newdream.net>
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Mount option parsing, client setup and teardown, and a few odds and
ends (e.g., statfs).
Signed-off-by: Sage Weil <sage@newdream.net>
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