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Change-Id: Ibb4b503e7d723c86ac381ad3747b1198334bd6ad
BUG: 1231619
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-on: http://review.gluster.org/11290
Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com>
Reviewed-by: Gaurav Kumar Garg <ggarg@redhat.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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With the absence of mknod() fop implementation in bitrot stub,
further operations that trigger versioning resulted in crashes
as they expect the inode context to be valid. Therefore, this
patch implements mknod() following similar simantics to fops
such as create().
Furthermore, bitrot stub test C program is fixed to stop lying
and validate obj versions according to the versioning protocol.
Change-Id: If76f252577445d1851d6c13c7e969e864e2183ef
BUG: 1221914
Original-Author: Raghavendra Bhat <raghavendra@redhat.com>
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-on: http://review.gluster.org/10790
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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br-stub.t forgot to unmount the NFS mount, leading to the situation
where cleanup code had to do it after glusterfs daemon were shut
down. NetBSD has trouble dealing with this situation and may enter
endless wait for the NFS server to come back.
Fix is simply to unmount before the end og the script
BUG: 1129939
Change-Id: I972d379172a75f29ad11abc66d700c2d31106194
Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org>
Reviewed-on: http://review.gluster.org/10748
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
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of open
* This patch brings in the changes where object versioning is done in write and
truncate fops instead of tracking them in open and create fops. This model
works for both regular and anonymous fds. It also removes the race associated
with open calls, create and lookups.
This patch follows the below method for object versioning and notifications:
Before sending writev on the fd, increase the ongoing
version first. This makes anonymous fd write similar to the regular
fd write by having the ongoing version increased before doing the
write.
Do following steps to do versioning:
1) For anonymous fds set the fd context (so that release is invoked) and add
the fd context to the list maintained in the inode context.
For regular fds the above think would have been done in open itself.
2) Increase the on-disk ongoing version
3) Increase the in memory ongoing version and mark inode as non-dirty
3) Once versioning is successfully done send write operation. If
versioning fails, then fail the write fop.
5) In writev_cbk mark inode as modified.
Change-Id: I7104391bbe076d8fc49b68745d2ec29a6e92476c
BUG: 1207979
Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com>
Reviewed-on: http://review.gluster.org/10233
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Instead of "trusted.glusterfs.bit-rot.*" use "trusted.bit-rot.*"
NOTE:
With this patch, data on existing volumes would be resigned
(which should be OK as of now since we do not expect many
users as of now :-))
Change-Id: I926c7bca266a9c8f2cb35d57c4d0359aa5cecfa0
BUG: 1170075
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-on: http://review.gluster.org/10181
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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This patch introduces basic object versioning test(s) which
is required for bitrot detection to work correctly. Basic
test(s) such as opening a file in read-only mode, single
open, multiple open()s are covered on FUSE mount _only_ as
stub does not support anonymous fds yet. For this reason,
the test case disables open-behind.
Actual verification is implemented as a C source which
makes use of the same on-disk data structures as used by
the stub code. The data structures are moved to separate
header file which is included by the test script. Such
modularization helps in future enhancements to keep the
version "data type" opaque and provide handful of APIs
version checking (equal/greater/etc..).
[
This is just a start and should grow over time as stub
is enhanced and codebase matures.
]
Change-Id: Ibee20e65a15b56bbdd59fd2703f9305b115aec7a
BUG: 1201724
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-on: http://review.gluster.org/10140
Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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