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  1. 23 Mar, 2010 5 commits
    • Sage Weil's avatar
      ceph: clean up handle_cap_grant, handle_caps wrt session mutex · 15637c8b
      Sage Weil authored 
      Drop session mutex unconditionally in handle_cap_grant, and do the
check_caps from the handle_cap_grant helper.  This avoids using a magic
return value.

Also avoid using a flag variable in the IMPORT case and call
check_caps at the appropriate point.
Signed-off-by: default avatarSage Weil <sage@newdream.net>
      15637c8b
    • Sage Weil's avatar
      ceph: fix session locking in handle_caps, ceph_check_caps · cdc2ce05
      Sage Weil authored 
      Passing a session pointer to ceph_check_caps() used to mean it would leave
the session mutex locked.  That wasn't always possible if it wasn't passed
CHECK_CAPS_AUTHONLY.   If could unlock the passed session and lock a
differet session mutex, which was clearly wrong, and also emitted a
warning when it a racing CPU retook it and we did an unlock from the wrong
context.

This was only a problem when there was more than one MDS.

First, make ceph_check_caps unconditionally drop the session mutex, so that
it is free to lock other sessions as needed.  Then adjust the one caller
that passes in a session (handle_cap_grant) accordingly.
Signed-off-by: default avatarSage Weil <sage@newdream.net>
      cdc2ce05
    • Sage Weil's avatar
      ceph: drop unnecessary WARN_ON in caps migration · 4ea0043a
      Sage Weil authored 
      If we don't have the exported cap it's because we already released it. No
need to WARN.
Signed-off-by: default avatarSage Weil <sage@newdream.net>
      4ea0043a
    • Sage Weil's avatar
      ceph: fix null pointer deref of r_osd in debug output · 12eadc19
      Sage Weil authored 
      This causes an oops when debug output is enabled and we kick
an osd request with no current r_osd (sometime after an osd
failure).  Check the pointer before dereferencing.
Signed-off-by: default avatarSage Weil <sage@newdream.net>
      12eadc19
    • Sage Weil's avatar
      ceph: clean up service ticket decoding · 0a990e70
      Sage Weil authored 
      Previously we would decode state directly into our current ticket_handler.
This is problematic if for some reason we fail to decode, because we end
up with half new state and half old state.

We are probably already in bad shape if we get an update we can't decode,
but we may as well be tidy anyway.  Decode into new_* temporaries and
update the ticket_handler only on success.
Signed-off-by: default avatarSage Weil <sage@newdream.net>
      0a990e70
  3. 21 Mar, 2010 6 commits
  5. 20 Mar, 2010 3 commits
  7. 19 Mar, 2010 26 commits
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