| Commit message (Collapse) | Author | Age | Files | Lines |
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Backport of http://review.gluster.org/8739
Problem:
When one of the brick is taken down and brough back up in a replica pair, locks
on that brick will be allowed. Afr returns inodelk success even when one of the
bricks already has the lock taken.
Fix:
If any brick returns EAGAIN return failure to parent xlator.
Note: This change only works for non-blocking inodelks. This patch addresses
dht-synchronization which uses non-blocking locks for rename. Blocking lock is
issued by only one of the rebalance processes. So for now there is no
possibility of deadlock.
BUG: 1151308
Change-Id: I72f15d8789442c29b5c7be2d5dabf7bae6bfa845
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/8923
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
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Before Anonymous fds are available, afr had to queue up
transactions if the file is not opened on one of its
subvolumes. This happens until the attempt to open the
file either succeeds or fails. These attempts happen
until the file is successfully opened on the subvolume.
Now client xlator uses anonymous fds to perform the fops
if the fd used for the fop is not 'opened'.
Fops will be successful even when the file is not opened
so there is no need to queue up the transactions anymore in afr.
Open is attempted on the subvolume where it is not
opened independent of the fop.
Change-Id: I6d59293023e2de41c606395028c8980b83faca3f
BUG: 953887
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4868
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Problem:
With the present implementation, eager-lock is issued for
any fd fop. eager-lock is being transferred to metadata
transactions. But the lk-owner is set to local->fd address
only for DATA transactions, but for METADATA transactions
it is frame->root. Because of this unlock on the eager-lock fails
and rebalance hangs.
Fix:
Enable eager-lock for fd DATA transactions
This is a backport of change If30df7486a0b2f5e4150d3259d1261f81473ce8a
http://review.gluster.org/#/c/4588/
BUG: 916226
Change-Id: Id41ac17f467c37e7fd8863e0c19932d7b16344f8
Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org>
Reviewed-on: http://review.gluster.org/4899
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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fd based operations such as readv checked only for data split brain
instead of complete split-brain (i.e both data + metadata) assuming that
open would have done the complete split-brain check. However open-behind
would have unwound open, without winding to afr thus preventing the complete
split-brain check and some appliations will be able to read the contents
of the file even though the file has metadata split-brain. So let all
the fd based fops do a defensive check of complete split-brain.
Change-Id: I0ea52f782b371ce73e8e1c61f9def438fce1bd28
BUG: 846240
Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com>
Reviewed-on: http://review.gluster.org/4620
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Change-Id: I7049c0c64e36a9dfa4cc0e0b34de7ec111d2f6c1
BUG: 908302
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4076
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I5d84ef72615f9d71b4af210976e2449de6e02326
BUG: 888174
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4446
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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* There are upto 3 entry lockees that may be needed to perform
entrylk'ing in posix dir-write operations.
* For eg, rmdir ("/a/b") needs to acquire locks on two entities,
- entrylk ("/a", "b")
- entrylk ("/a/b", null)
* Changed existing entrylk/rename/selfheal (entrylk) transactions
to use the new book-keeping structures
* Fixed few issues in afr_trace_entry_lk{in,out} functions. Tracing is now
aware of the new entry lockee structure.
Implementation notes:
* Changed 'cookie' sent in stack_wind to encode lockee_entity_no
and subvol_no.
cookie is a non-negative integer such that 0 <= cookie < replica_count,
When more than one lock is being acquired across the subvolumes,
cookie % replica_count gives the subvol_no
cookie / replica_count gives the lockee_entity_no.
Change-Id: Idbf41803387a7d59a0f7fcb1453d91cea74da153
BUG: 765564
Signed-off-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-on: http://review.gluster.org/2828
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Problem:
Afr prevents opens on a file in split-brian but the
fd that is already open still has the capability to perform
both reads and writes to the file.
Fix:
Fail readvs on a file with EIO.
Change-Id: I8e07f24c36fab800499b36ab374f984b743332cd
BUG: 873962
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4199
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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The most important errno logic historically only prioritized ESTALE
over ENOENT. Commit c8c0942d added EIO prioritization over ENOENT
to ensure that split-brain was reported when it occurs in
conjunction with bricks missing the file entry. The unintended side
effect of this change is that (non split-brain) EIO errors reported
from the bricks themselves are now reported to the client when the
expectation is that afr should squash said errors in favor of
marking the file inconsistent.
The high-level problem is that EIO is overloaded with different
meanings from different contexts. This commit adds an eio parameter
to the errno priority logic to conditionally flag when EIO is of
higher priority and should be propagated to the client.
BUG: 892730
Change-Id: Ib692a8a1f1737ef190d57894f392ec53ffb33aab
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-on: http://review.gluster.org/4376
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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afr_more_important_error() is written to return whether a new errno
should override an existing errno for high-level operations that
could span multiple sub-operations. It specifically prioritizes
ESTALE over EIO over ENOENT, and otherwise defaults to the latest
error passed having priority.
This change preserves current behavior, but rewrites the logic to
return the higher priority error of the existing and new errno. The
purpose of the change is to make the logic a bit more clear and set
the stage for future changes to make the logic flexible based on
context.
BUG: 892730
Change-Id: Id1aa48855dfb0507abc9d1ef22f2259b30472576
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-on: http://review.gluster.org/4375
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Along with this change, fixed the race of setting the
split-brain status in inode-ctx after unwinding the fop from
self-heal in case of back-ground self-heal.
Change-Id: Ifc829300df485f50f139443802e8b6dc7038b4ad
BUG: 873962
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4198
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Problem:
When create/mknod fails on some of the nodes, appropriate pending
data/metadata changelogs are not assigned. This was not considered
to be an issue because entry self-heal would do the assigning of
appropriate changelog after creating new entries. But using
the combination of rebalance and remove brick we can construct a
case where a file with same name and gfid can be created in a dir
with different data and link-to xattr without any changelog.
Fix:
When a create/mknod failure is observed mark the appropriate
changelog on the new file created.
Change-Id: I4c32cbf5594a13fb14deaf97ff30b2fff11cbfd6
BUG: 858212
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4207
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Flush is historically a transaction to ensure all previous writes
were complete. This is no longer required as write-behind has
learned to make flush a barrier operation (re: conversation w/
Avati).
Flush taking a full file lock causes VMs running on afr volumes
to stall when a migration occurs and self-heal is in progress.
Make afr_flush() a non-transactional operation.
BUG: 874045
Change-Id: If2db83823e280c86b1b29b41361eed7081601632
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-on: http://review.gluster.org/4261
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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In a replica pair unlike files, directories may not have their
content in same order, so readdir for same (offset, size) may
not give same entries on both the sobvolumes of replica pair.
Switching over from one subvolume to another may not be a good
idea sometimes. It may lead to duplicate entries or fewer entries
or both. This patch provides a way to disable readdir-failover
so that applications like rebalance can retry if they want to.
Change-Id: I2b23eb224a2e84016a561362932613ac824c11a0
BUG: 859387
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/4159
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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The current failure to handle short writes on writev fops leaves
us open to file corruption. A short write on a user request is
ignored and leaves replicas in an inconsistent state. A short write
during a self-heal is ignored and incorrectly marks the files as
consistent if the heal completes.
Modify user writev handling to return the best case return value
from each of the replicas. Short writes that occur relative to this
value are marked as failed and will require a heal. Modify
self-heal to set an error on a short write and abort the heal.
BUG: 853690
Change-Id: I18b30f58702326249230eeebb361b29e40b535f5
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-on: http://review.gluster.org/4150
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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The functional issue is described by the subject line. This patch also
addresses several efficiency/structure issues, such as...
* Calling dict_set_ptr once for each txn type, instead of once overall.
* Calling afr_index_for_transaction_type once per iteration instead of
once per call (or better yet zero since the conversion is unnecessary).
* Implementation of inner functions in a different file than their one
caller, creating a spurious header-file dependency.
Change-Id: I29e0df906a820533b66b9ced73e015dfe77267d2
BUG: 865825
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.org/4070
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Problem:
Whenever gluster volume heal vol full command is executed, the entries
stored in the circual buffer for sh->healed are added in the dictionary
in the _crawl_post_sh_action function irrespective of whether actual self heal
(due to non-zero values in chage log) takes place or not.
Fix:
Value of key (actual-sh-done) will be set to 1 whenever self heal takes place
due to non-zero change log values and if for some FOP self heal daemon finds
that no self heal required after examining the pending matrix, the value will
be 0.
Change-Id: I11fd0b9ee76759af17c5bca6bfafbaf66bcaacbc
BUG: 863068
Signed-off-by: Venkatesh Somyajula <vsomyaju@redhat.com>
Reviewed-on: http://review.gluster.org/4181
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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As the callings of GF_CALLOC can seldom come to a failure, glusterfs client
will crash due to segment fault. We should have returned once the variables
of transaction's local can't be alloced.
Change-Id: Ia3798b8349d832b23c7825e64dbad93ebe29cd1b
BUG: 861335
Signed-off-by: linbaiye <linbaiye@gmail.com>
Reviewed-on: http://review.gluster.org/4005
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I48733967facc526fb523a8dc9bd068f8c5cc5971
BUG: 764282
Signed-off-by: Varun Shastry <vshastry@redhat.com>
Reviewed-on: http://review.gluster.org/3950
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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- (Excessive) Logging has been very useful as 'bread-crumbs' in
many a root-cause analyses. This patch aims at avoiding logging when
the information could be reconstructed using the xattrs, statedump,
and/or "volume heal" CLI commands.
Change-Id: Iebc6b10ae18f0dd9704bdc6dd03bcfe0f2a09abd
BUG: 844804
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/3805
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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RCA
The bug is observed because the decision to mark
a file in split-brain is taken outside appropriate locks.
Lookup gathers xattrs outside any lock. The xattrs being
in split-brain in lookup should only be taken as a hint.
Appropriate inodelks should be taken before confirming
a split-brain. Self-heal confirms this at the moment.
If data/metadata self-heal is turned off, inspecting of
xattrs could not be performed so split-brain behavior
does not work correctly if the self-heal options are turned off.
Fix
Self-heals are launched to inspect xattrs even when the
data/metadata self-heal options are turned off. The decision
to heal data/metadata after the xattrs are inspected is based
on whether the options are turned on/off. So decision to set/reset
split-brain flag is taken inside appropriate locks.
Testcases:
tests 33-36 in
https://github.com/pranithk/gluster-tests/blob/master/afr/self-heal.sh
Change-Id: Ia8aeab08208b50c06609ad35a9d72f3d553ee343
BUG: 833727
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3626
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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See comments in http://bugzilla.redhat.com/839925 for
the code to perform this change.
Signed-off-by: Jim Meyering <meyering@redhat.com>
BUG: 839925
Change-Id: I10e4ecff16c3749fe17c2831c516737e08a3205a
Reviewed-on: http://review.gluster.com/3661
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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post-op-delay introduces an artificial delay between the OP and
POST-OP-CHANGELOG phases of a write transaction to increase the
probability of changelog-piggyback and eager-locking to work
more efficiently.
Also enable eager-locking by default.
Change-Id: I865ca4b68512c44818719c7e388952f15d53e6c2
BUG: 836033
Signed-off-by: Anand Avati <avati@redhat.com>
Reviewed-on: http://review.gluster.com/3621
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pranithk@gluster.com>
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changed order of prevered read child in afr_select_read_child_from_policy
when a read child is set over config option read-subvolume it shoudl be first to return
Change-Id: I1c5a8171379bb2bad76f6653e9d68a9349d55142
BUG: 833750
Original-author: domwo <glusterfs@wollina.de>
Signed-off-by: domwo <glusterfs@wollina.de>
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.com/3614
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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BUG: 804606
Change-Id: I8cefcb6efa687fac4ad412403c085b3767218f72
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3586
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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gfid_req is set only by the fuse xlator. Fresh lookups
performed by self-heal-daemon, rebalance will not have
gfid at all.
Change-Id: I6712e3063067ecc5f19956e75d28c86bfc19fc65
BUG: 829203
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3529
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Controlled by the "choose-local" option (on by default).
Change-Id: I560f27c81703f2c9c62fdb51532c8eb763826df7
BUG: 806462
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.com/3005
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Both the first-to-respond method and the round-robin method are susceptible
to clients repeatedly choosing the same servers across a series of opens,
creating hot spots. Also, the code to handle a replica being down will
ignore both methods and just choose the first remaining (which is not an
issue for two-way but can be otherwise). The hashed method more reliably
avoids such hot spots. There are three values/modes.
0: use the old (broken) methods.
1: select a read-child based on a hash of the file's GFID, so all clients
will choose the same subvolume for a file (ensuring maximum consistency)
but will distribute load for a set of files.
2: select a read-child based on a hash of the file's GFID plus the client's
PID, so different children will distribute load even for one file.
Mode 2 will probably be optimal for most cases. Using response time when we
open the file is problematic, both because a single sample might not have
been representative even then and because load might have shifted in the
hours or days since (for long-lived files). Trying to use more current load
information can lead to "herd following" behavior which is just as bad.
Pseudo-random distribution is likely to be the best we can reasonably do,
just as it is for DHT.
Change-Id: I798c2760411eacf32e82a85f03bb7b08a4a49461
BUG: 802513
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.com/2926
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: Ia2944f891dd62e72f3c79678c3a1fed389854a90
BUG: 811970
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3158
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I45be4ea7f04ee79b67a83134fe8ebd18067a707f
BUG: 820355
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3373
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Raghavendra Bhat <raghavendrabhat@gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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The xattrop order in pre/post op on all the subvols
is client-0, client-1... client-n where n is (replica-count - 1).
This order can lead to invalid split-brains if the brick
dies in the middle of xattrops.
Example: transaction completed pre-op, so on all the subvolumes
xattrs have '1' changelog. Now post-op is sent to both the subvols.
On subvol-0 change-log of client-0 is decremented to 0, before
decrementing change-log of client-1 to 0 the brick dies.
This change-log status on subvol-0 gives the meaning that a
change is done on subvol-0 successfully but on subvol-1 it failed.
Which is not what happened.
Changes done when the subvol-0 was down will lead to pending
change-log on subvol-1 for subvol-0. Which is correct.
When the subvol-0 is brought back up, the change-log will be in
split-brain state even when it is not a legitimate split-brain.
If the brick dies in the middle of xattrops it should remain fool.
Pre-op should perform xattrop of the local change-log first and
post-op should perform xattrop of the local change-log last.
In case of optimistic changelogs txn_changelog should be done
last on local if it succeeds, first if it fails.
Change-Id: Ib6eeb20cdc49b0b1fd2f454f25a9c8e08388c6e7
BUG: 765194
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3226
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I4dada6fd509aa289e97fdb0b50b28300a15e6a0e
Signed-off-by: Amar Tumballi <amarts@redhat.com>
BUG: 820355
Reviewed-on: http://review.gluster.com/3325
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I8fb2369caffae8f295774b8b12a086c66ec714c7
BUG: 800884
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3332
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Note that the license was not changed in any of the following:
.../argp-standalone/...
.../booster/...
.../cli/...
.../contrib/...
.../extras/...
.../glusterfsd/...
.../glusterfs-hadoop/...
.../mod_clusterfs/...
.../scheduler/...
.../swift/...
The license was not changed in any of the non-building xlators. The
license was not changed in any of the xlators that seemed — to me — to
be clearly server-side only, e.g. protocol/server
Note too that copyright was changed along with the license; I did
not change the copyright in files where the license did not change.
If you find any errors or ommissions please don't hesitate to let me know.
The complete list of files with the license change is:
libglusterfs/src/byte-order.h
libglusterfs/src/call-stub.c
libglusterfs/src/call-stub.h
libglusterfs/src/checksum.c
libglusterfs/src/checksum.h
libglusterfs/src/circ-buff.c
libglusterfs/src/circ-buff.h
libglusterfs/src/common-utils.c
libglusterfs/src/common-utils.h
libglusterfs/src/compat-errno.c
libglusterfs/src/compat-errno.h
libglusterfs/src/compat.c
libglusterfs/src/compat.h
libglusterfs/src/daemon.c
libglusterfs/src/daemon.h
libglusterfs/src/defaults.c
libglusterfs/src/defaults.h
libglusterfs/src/dict.c
libglusterfs/src/dict.h
libglusterfs/src/event-history.c
libglusterfs/src/event-history.h
libglusterfs/src/event.c
libglusterfs/src/event.h
libglusterfs/src/fd-lk.c
libglusterfs/src/fd-lk.h
libglusterfs/src/fd.c
libglusterfs/src/fd.h
libglusterfs/src/gf-dirent.c
libglusterfs/src/gf-dirent.h
libglusterfs/src/globals.c
libglusterfs/src/globals.h
libglusterfs/src/glusterfs.h
libglusterfs/src/graph-print.c
libglusterfs/src/graph-utils.h
libglusterfs/src/graph.c
libglusterfs/src/hashfn.c
libglusterfs/src/hashfn.h
libglusterfs/src/iatt.h
libglusterfs/src/inode.c
libglusterfs/src/inode.h
libglusterfs/src/iobuf.c
libglusterfs/src/iobuf.h
libglusterfs/src/latency.c
libglusterfs/src/latency.h
libglusterfs/src/list.h
libglusterfs/src/lkowner.h
libglusterfs/src/locking.h
libglusterfs/src/logging.c
libglusterfs/src/logging.h
libglusterfs/src/mem-pool.c
libglusterfs/src/mem-pool.h
libglusterfs/src/mem-types.h
libglusterfs/src/options.c
libglusterfs/src/options.h
libglusterfs/src/rbthash.c
libglusterfs/src/rbthash.h
libglusterfs/src/run.c
libglusterfs/src/run.h
libglusterfs/src/scheduler.c
libglusterfs/src/scheduler.h
libglusterfs/src/stack.c
libglusterfs/src/stack.h
libglusterfs/src/statedump.c
libglusterfs/src/statedump.h
libglusterfs/src/syncop.c
libglusterfs/src/syncop.h
libglusterfs/src/syscall.c
libglusterfs/src/syscall.h
libglusterfs/src/timer.c
libglusterfs/src/timer.h
libglusterfs/src/trie.c
libglusterfs/src/trie.h
libglusterfs/src/xlator.c
libglusterfs/src/xlator.h
libglusterfsclient/src/libglusterfsclient-dentry.c
libglusterfsclient/src/libglusterfsclient-internals.h
libglusterfsclient/src/libglusterfsclient.c
libglusterfsclient/src/libglusterfsclient.h
rpc/rpc-lib/src/auth-glusterfs.c
rpc/rpc-lib/src/auth-null.c
rpc/rpc-lib/src/auth-unix.c
rpc/rpc-lib/src/protocol-common.h
rpc/rpc-lib/src/rpc-clnt.c
rpc/rpc-lib/src/rpc-clnt.h
rpc/rpc-lib/src/rpc-transport.c
rpc/rpc-lib/src/rpc-transport.h
rpc/rpc-lib/src/rpcsvc-auth.c
rpc/rpc-lib/src/rpcsvc-common.h
rpc/rpc-lib/src/rpcsvc.c
rpc/rpc-lib/src/rpcsvc.h
rpc/rpc-lib/src/xdr-common.h
rpc/rpc-lib/src/xdr-rpc.c
rpc/rpc-lib/src/xdr-rpc.h
rpc/rpc-lib/src/xdr-rpcclnt.c
rpc/rpc-lib/src/xdr-rpcclnt.h
rpc/rpc-transport/rdma/src/name.c
rpc/rpc-transport/rdma/src/name.h
rpc/rpc-transport/rdma/src/rdma.c
rpc/rpc-transport/rdma/src/rdma.h
rpc/rpc-transport/socket/src/name.c
rpc/rpc-transport/socket/src/name.h
rpc/rpc-transport/socket/src/socket.c
rpc/rpc-transport/socket/src/socket.h
xlators/cluster/afr/src/afr-common.c
xlators/cluster/afr/src/afr-dir-read.c
xlators/cluster/afr/src/afr-dir-read.h
xlators/cluster/afr/src/afr-dir-write.c
xlators/cluster/afr/src/afr-dir-write.h
xlators/cluster/afr/src/afr-inode-read.c
xlators/cluster/afr/src/afr-inode-read.h
xlators/cluster/afr/src/afr-inode-write.c
xlators/cluster/afr/src/afr-inode-write.h
xlators/cluster/afr/src/afr-lk-common.c
xlators/cluster/afr/src/afr-mem-types.h
xlators/cluster/afr/src/afr-open.c
xlators/cluster/afr/src/afr-self-heal-algorithm.c
xlators/cluster/afr/src/afr-self-heal-algorithm.h
xlators/cluster/afr/src/afr-self-heal-common.c
xlators/cluster/afr/src/afr-self-heal-common.h
xlators/cluster/afr/src/afr-self-heal-data.c
xlators/cluster/afr/src/afr-self-heal-entry.c
xlators/cluster/afr/src/afr-self-heal-metadata.c
xlators/cluster/afr/src/afr-self-heal.h
xlators/cluster/afr/src/afr-self-heald.c
xlators/cluster/afr/src/afr-self-heald.h
xlators/cluster/afr/src/afr-transaction.c
xlators/cluster/afr/src/afr-transaction.h
xlators/cluster/afr/src/afr.c
xlators/cluster/afr/src/afr.h
xlators/cluster/afr/src/pump.c
xlators/cluster/afr/src/pump.h
xlators/cluster/dht/src/dht-common.c
xlators/cluster/dht/src/dht-common.h
xlators/cluster/dht/src/dht-diskusage.c
xlators/cluster/dht/src/dht-hashfn.c
xlators/cluster/dht/src/dht-helper.c
xlators/cluster/dht/src/dht-inode-read.c
xlators/cluster/dht/src/dht-inode-write.c
xlators/cluster/dht/src/dht-layout.c
xlators/cluster/dht/src/dht-linkfile.c
xlators/cluster/dht/src/dht-mem-types.h
xlators/cluster/dht/src/dht-rebalance.c
xlators/cluster/dht/src/dht-rename.c
xlators/cluster/dht/src/dht-selfheal.c
xlators/cluster/dht/src/dht.c
xlators/cluster/dht/src/nufa.c
xlators/cluster/dht/src/switch.c
xlators/cluster/stripe/src/stripe-helpers.c
xlators/cluster/stripe/src/stripe-mem-types.h
xlators/cluster/stripe/src/stripe.c
xlators/cluster/stripe/src/stripe.h
xlators/features/index/src/index-mem-types.h ¹
xlators/features/index/src/index.c ¹
xlators/features/index/src/index.h ¹
xlators/performance/io-cache/src/io-cache.c
xlators/performance/io-cache/src/io-cache.h
xlators/performance/io-cache/src/ioc-inode.c
xlators/performance/io-cache/src/ioc-mem-types.h
xlators/performance/io-cache/src/page.c
xlators/performance/io-threads/src/io-threads.c
xlators/performance/io-threads/src/io-threads.h
xlators/performance/io-threads/src/iot-mem-types.h
xlators/performance/md-cache/src/md-cache-mem-types.h
xlators/performance/md-cache/src/md-cache.c
xlators/performance/quick-read/src/quick-read-mem-types.h
xlators/performance/quick-read/src/quick-read.c
xlators/performance/quick-read/src/quick-read.h
xlators/performance/read-ahead/src/page.c
xlators/performance/read-ahead/src/read-ahead-mem-types.h
xlators/performance/read-ahead/src/read-ahead.c
xlators/performance/read-ahead/src/read-ahead.h
xlators/performance/symlink-cache/src/symlink-cache.c
xlators/performance/write-behind/src/write-behind-mem-types.h
xlators/performance/write-behind/src/write-behind.c
xlators/protocol/auth/addr/src/addr.c ¹
xlators/protocol/auth/login/src/login.c ¹
xlators/protocol/client/src/client-callback.c
xlators/protocol/client/src/client-handshake.c
xlators/protocol/client/src/client-helpers.c
xlators/protocol/client/src/client-lk.c
xlators/protocol/client/src/client-mem-types.h
xlators/protocol/client/src/client.c
xlators/protocol/client/src/client.h
xlators/protocol/client/src/client3_1-fops.c
¹ Copyright only, license reverted to original
Change-Id: If560e826c61b6b26f8b9af7bed6e4bcbaeba31a8
BUG: 820551
Signed-off-by: Kaleb KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.com/3304
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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Change-Id: Icf08ef1752795276f88c343d1d74af104095c6cb
BUG: 796579
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3276
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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This patch addresses the case when the lookup on an entry is performed
while it is being renamed. The lookup can possibly return 2 different
gfids when lookup on one subvol reached before rename and on other
after rename. In such cases the conflicting entry self-heal is
triggered to resolve the issue, but if there are lot entry transactions
going on the parent directory of the entry then the non-blocking
locks could fail resulting in EIO. To avoid this, lookup queries
locks xlator if there are any parent-entrylk on entry's basename.
If afr finds that there are such locks and gfids are differing then
it chooses the file with latest ctime as the iatt of the entry.
This solution is not foolproof, but it decreases the probability of
hitting the EIO. The correct solution is to take blocking locks on
the parent-entry to find out the correct source. Taking blocking
locks in lookup is not good. One stale entry lock can hang the whole
filesystem. So we chose to go with this for now.
Change-Id: Ibebb6c3074f56f80a96893b6bf5b77941e30d400
BUG: 765551
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3179
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I78d9f0563e25047f392675ae32db38d2c94f6651
BUG: 795355
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3129
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: Ib967f0fe0b537fe60e51d7d05462b58a7f16596e
BUG: 806745
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/3077
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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with this change, the xlator APIs will have a dictionary as extra
argument, which is passed between all the layers. This can be
utilized for overloading in some of the operations.
Change-Id: I58a8186b3ef647650280e63f3e5e9b9de7827b40
Signed-off-by: Amar Tumballi <amarts@redhat.com>
BUG: 782265
Reviewed-on: http://review.gluster.com/2960
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I4919a98191bf7fe5edad9a149a129bcd177cd4a8
BUG: 802522
Signed-off-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-on: http://review.gluster.com/2927
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I5424ebfadb5b2773ee6f7370cc2867a555aa48dd
BUG: 800352
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/2962
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: I33e0268635ae7a1f247b0052994e027f990083da
BUG: 800755
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/2963
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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This change ensures that entry self-heal following a lookup on that entry
would have loc->gfid 'filled'.
Change-Id: If723c71ca43e1f062dcb99cbe5488342514dace0
BUG: 786087
Signed-off-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-on: http://review.gluster.com/2950
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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- Added local->dict cleanup into afr_local_cleanup
Change-Id: Ie1b96615735a9d2a2be1757cd016dbe225aae31c
BUG: 800412
Signed-off-by: Krishnan Parthasarathi <kp@gluster.com>
Reviewed-on: http://review.gluster.com/2922
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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If the {f}xattrop operation succeeds on one of the subvolumes and fails
on another (thus the xattr dict obtained from the failed subvolume in
the callback will be NULL), then afr would be unwinding with op_ret = 0
(since the operation was successful on one subvolume), but the xattr dict
would be NULL (afr is not saving the xattr it has received in the callback
in its local structure and will send the xattr it has received in the last
callback). xlators above afr might segfault when they access the xattr since
they would have assumed that xattr would be present as op_ret is 0.
Change-Id: I50761a302150285f31dfdaa397f890c9370a989a
BUG: 797119
Signed-off-by: Raghavendra Bhat <raghavendrabhat@gluster.com>
Reviewed-on: http://review.gluster.com/2813
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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When a transaction is in progress lookup depends on inode ctx
for read-child. If the lookup fails on the read-child while
another transaction is in progress, it should select the
read-child as the next success_child which is in fresh_children.
Change-Id: I33a04b102966b63a64bacf8d2e29f0d0119fdac6
BUG: 773225
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/2858
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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Afr xl needs to maintain inode-table inside the xl if it is in
self-heal-daemon. The code was depending on the option
self-heal-daemon to do this. This is wrong as the option can be
reconfigured to on/off. Added a new option which can't be
reconfigured for this purpose.
Change-Id: Idc42c403c4bd9b73d1f328427ae4158ff1420b3a
BUG: 795741
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/2787
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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in each translator, which uses 'frame->local', we are using
GF_CALLOC/GF_FREE, which would be costly considering the
number of allocation happening in a lifetime of 'fop'. It
would be good to utilize the mem pool framework for xlator's
local structures, so there is no allocation overhead.
Change-Id: Ida6e65039a24d9c219b380aa1c3559f36046dc94
Signed-off-by: Amar Tumballi <amar@gluster.com>
BUG: 765336
Reviewed-on: http://review.gluster.com/2772
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Avati <avati@redhat.com>
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Change-Id: Id92d3276e65a6c0fe61ab328b58b3954ae116c74
BUG: 763820
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/2775
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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Change-Id: Ic68eb00b356a6ee3cb88fe2bde50374be7a64ba3
BUG: 763820
Signed-off-by: Pranith Kumar K <pranithk@gluster.com>
Reviewed-on: http://review.gluster.com/2749
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vijay@gluster.com>
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