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xenstored is incorrectly accounting domain nodes when transactions
fail. Store pending count changes in the transaction structure, and
apply at transaction completion, instead of directly applying the
changes.
Signed-off-by: Max Zhen <max.zhen@sun.com>
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xenstored.
Signed-off-by: Keir Fraser <keir@xensource.com>
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use stdint-format bitsize types (uint32_t and friends).
Signed-off-by: Keir Fraser <keir@xensource.com>
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connection, plus interleaving of transactional and
non-transactional accesses. A transaction identifier is added
to the xsd_sockmsg header structure (0 means 'not in context
of a transaction'). The user and kernel xs interfaces accept
a pointer to a transaction handle where appropriate --
currently this is directly cast to an integer identifier in
the client library / kernel driver, but will allow for keeping
extra dynamic client-side state in future if we need to.
The transaction mutex has now gone. It's replaced with a
read-write mutex, but this is only acquired for exclusive
access during suspend/resume, to ensure there are no in-progress
transactions.
Signed-off-by: Keir Fraser <keir@xensource.com>
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Transactions no longer take root dir, no longer lock & block: commit can fail spuriously with EAGAIN, not ETIMEDOUT.
Speeds up transactions by over 1000 times, should be NFS safe.
New program: xs_tdb_dump to dump raw TDB contents.
Don't do failure testing: we are no longer robust against all ENOMEM 8(
Introduce "struct node" which contains perms, children and data.
Make struct xs_permissions unpadded, so we can write to tdb w/o valgrind complaints.
Gently modify TDB to use talloc, not do alloc on tdb_delete.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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synchronous this makes it easier (because then we have two reasons
to block)
Instead of using return value, use explicit state member inside
struct connection.
Signed-off-by: Rusty Russel <rusty@rustcorp.com.au>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
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- add trace file support.
- update permissions code.
- trigger watches on children of nodes being removed.
- update test cases.
Signed-off-by: Rusty Russel <rusty@rustcorp.com.au>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
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Add xenstore daemon and library.
Makefile:
Add xenstore subdirectory.
Remove xs_stress on clean.
Many files:
new file
ignore:
Update ignore list for xenstore.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (authored)
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
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