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* Fix in return value of afr_sh_mark_sourcesVikas Gorur2009-04-063-10/+26
| | | | | | | | | | | | afr_sh_mark_sources now returns: -1 if two wise subvols conflict (split-brain) 0 if all subvols are innocent (no self-heal needed) >0 if sources found Also, changes to callers of afr_sh_mark_sources to handle return value properly. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* bitrot-13 fixCsaba Henk2009-04-061-0/+2
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Fix an incorrect type-cast in libglusterfsclient.cVikas Gorur2009-04-061-1/+1
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Cleaner stub destructionShehjar Tikoo2009-04-061-0/+3
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Sanity check worker thread idxShehjar Tikoo2009-04-061-20/+62
| | | | | | | | This patch adds sanity check for the ordered worker thread index returned from the inode's context. If the index is corrupted we STACK_UNWIND with ECANCELED. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* disabling boosterAnand V. Avati2009-04-031-920/+0
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* distribute to take care of available disk space while creating new dirs, and ↵Amar Tumballi2009-04-035-26/+384
| | | | | | | | files. distribute gets awareness about disk-space while creating the files Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* fix broken transport-type unixRommer2009-04-031-1/+5
| | | | | | | fix broken transport-type "unix" however unix transport not working with defined transport.socket.bind-path Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient - reimplement glusterfs_fgetxattr and glusterfs_fsetxattrRaghavendra G2009-04-031-90/+137
| | | | | | | | - glusterfs_fgetxattr and glusterfs_fsetxattr earlier used lookup and setxattr fops for implementation. Change it to use fgetxattr and fsetxattr fops instead. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient - fix bug in __do_path_resolveRaghavendra G2009-04-031-22/+26
| | | | | | | | - add argument lookup_basename to __do_path_resolve which indicates whether to lookup basename(path). This is necessary for apis like glusterfs_get, which dont want basename(path) to be looked up by libgf_client_lookup_path. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient - move lookup timeout related code to ↵Raghavendra G2009-04-033-227/+181
| | | | | | | | | | libgf_client_path_lookup - this simplifies the resolution of path to inode, the apis which receive path as argument just need to call libgf_client_path_lookup for path->inode translation. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient - fix indentationRaghavendra G2009-04-033-78/+155
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient - change implementation of glusterfs_getRaghavendra G2009-04-033-41/+49
| | | | | | - remove redundent lookups happening in glusterfs_get. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* mod_glusterfs/lighttpd/1.4 port and memory leak fixesRaghavendra G2009-04-032-99/+196
| | | | | | - port owing to changes in interface of libglusterfsclient. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* mod_glusterfs/apache/1.3 portRaghavendra G2009-04-031-25/+26
| | | | | | - port owing to changes in interface of libglusterfsclient. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* mod_glusterfs/apache/2.2 portRaghavendra G2009-04-031-20/+21
| | | | | | - port owing to changes in interface of libglusterfsclient. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient code changesRaghavendra G2009-04-037-436/+1194
| | | | | | | | | | | | - add dentry support to libglusterfsclient. - changes related to using array, to store context in inode instead of dictionary. - code changes related to cleanup of libglusterfsclient interface. - added glusterfs_mkdir and glusterfs_rmdir - other changes in libglusterfsclient to make it work with code changes in other parts of glusterfs. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* server-protocol - reimplement connection cleanup to happen in 2 phasesRaghavendra G2009-04-036-32/+261
| | | | | | | | | | | - first phase, which happens when POLLERR is received on transport, releases all locks, flushes all open fds. - second phase, which happens when both the transports of connection destroyed, destroys the containers like lock table, fd table along with the connection. - the first phase, clears up any references to transport held by translators like posix-locks(in the form of blocked locks) paving way for the second phase. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Made afr inode context a 64-bit packed value instead of a structure.Vikas Gorur2009-04-034-313/+205
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Load balance read operations among subvolumes in afrVikas Gorur2009-04-024-110/+513
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Defined afr_inode_ctx_t structure.Vikas Gorur2009-04-022-11/+76
| | | | | | | | Notification of a split-brain situation, which was earlier signalled by the mere presence of inode context is now signalled by the 'split_brain' member in the structure. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Support autoscaling volfile optionsShehjar Tikoo2009-04-022-24/+104
| | | | | | | | | | | | | | | | | This commit finally makes the autoscaling feature visible to the user. Know that we're now using two separate thread-pools, one for data requests, called ordered thread-pool in io-threads, and the other for meta-data requests, called un-ordered thread-pool. We do not expose this information to the user to keep io-threads simple. Consequently, when the user specifies a min-threads and max-threads value, the number of threads assigned to each pool is equal, i.e. both pools start with their min threads set to half of the option "min-threads" and both scale up their threads at most up to half of option "max-threads". Volfile options will be added to the wiki and user-guide. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Cleanup request queueing,thread firingShehjar Tikoo2009-04-021-30/+38
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Allow scaling to be switched offShehjar Tikoo2009-04-022-11/+73
| | | | | | | | The default is also to provide no scaling. For both, ordered and unordered request pools, when scaling is off, we maintain atleast the minimum number of threads specified in the volfile. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Add ordered threadpool state and codeShehjar Tikoo2009-04-022-58/+182
| | | | | | | | | | | Now we have the remaining fops going through the ordered thread-pool. To route a request through ordered thread, we use iot_schedule_ordered(..) and the worker thread for ordered requests is iot_worker_ordered(..) Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Add un-ordered thread-pool.Shehjar Tikoo2009-04-022-98/+334
| | | | | | | | | | | | | | | | | | This commit adds everything needed to: a. Get un-ordered request going through the un-ordered thread-pool. This happens through, the iot_schedule_unordered(..). The unordered thread-pool consists of thread running the iot_worker_unordered(..) function. b. Make threads in the un-ordered thread pool start-up and exit depending on the thread state. Note that at this point the requests that need ordering are still going through iot_schedule(..). Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Classify requests for threadpool typeShehjar Tikoo2009-04-021-26/+33
| | | | | | | | | | | | | | | | | New io-threads will serve requests through two separate threadpools. One thread pool for requests that must be ordered on a file that is open. so that the server can process the requests in the order they were entered in the requests queue, and not in the order the io-thread is able to send a request, which in turn is determined by how the thread gets scheduled. This can also be called the data-intensive ops thread pool. Second thread-pool for requests that dont care about ordering, i.e. requests like lookup, open, create, mkdir, etc. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for rename fopShehjar Tikoo2009-04-021-0/+55
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for symlink fopShehjar Tikoo2009-04-021-0/+53
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for rmdir fopShehjar Tikoo2009-04-021-0/+40
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for mkdir fopShehjar Tikoo2009-04-021-0/+44
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for mknod fopShehjar Tikoo2009-04-021-0/+47
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for readlink fopShehjar Tikoo2009-04-021-0/+43
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for access fopShehjar Tikoo2009-04-021-0/+43
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for fchown fopShehjar Tikoo2009-04-021-0/+46
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for chownShehjar Tikoo2009-04-021-0/+46
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for fchmod fopShehjar Tikoo2009-04-021-0/+43
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for chmod fopShehjar Tikoo2009-04-021-0/+42
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Wire in support for lookup fopShehjar Tikoo2009-04-021-0/+46
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* wb_flush - keep reference on fd for process_frame to perform STACK_WIND of ↵Anand V. Avati2009-04-021-0/+4
| | | | | | | | flush. This patch fixes bug report by Greg <greg@easyflirt.com> on gluster-users@ with subject 'glusterfsd crash' Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* change char to int in execute_cmd (based on comment on #26006 from Giorgio ↵Anand V. Avati2009-04-021-1/+1
| | | | | | Marinelli <gio@reversiva.net> Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Changed few lines to ensure Optimization (lesser code).Bharat Shetty Barkur2009-04-021-3/+1
| | | | | | Changed few lines to ensure lesser code optimization while checking the EOF for the file pointed to by specfp. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Build fixes for ib-verbs compilation on solarisHarshavardhana2009-04-022-6/+22
| | | | | | Build fixes for solaris on ib-verbs with recent OFUV Update 3 release. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* unify-self-heal: Fix un-ref'ing of incorrect dictShehjar Tikoo2009-04-021-1/+1
| | | | | | | | | | | | | dict_unref'ing of the dict in local results in a crash due to de-referencing a NULL spinlock. That is because after a STACK_UNWIND(..), we cannot expect the frame->local to be allocated still. Fix by using the other available reference to local->dict. Ref: https://savannah.nongnu.org/bugs/?26058 Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Print log message when AFR receives CHILD_UP/DOWN notificationVikas Gorur2009-04-021-0/+6
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* socket_connect() - if socket is already created, do not fail ↵Anand V. Avati2009-04-021-0/+1
| | | | | | | | transport_connect() -- causes spurious CHILD_DOWN events to be sent up when reconnect() thread misinterprets the failure of transport_connect() to be an actual teardown of the transport the spurious CHILD_DOWN events cause self-heal in replicate to not heal files in that subvolume, writev to not modify that subvolume etc, accounting for a lot of discrepencies in replicate which are being in the mailing lists recently. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Fixes server goes into infinite loop on Solaris when poll_err is not set.Harshavardhana2009-04-021-2/+3
| | | | | | Server goes into infinite loop when poll_err is not set. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* mount/fuse to silently send fresh lookup for ESTALEd revalidates. log only ↵Basavanagowda Kanur2009-04-021-1/+4
| | | | | | in DEBUG level. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* cluster/stripe to propogate ESTALE to parent.Basavanagowda Kanur2009-04-021-2/+4
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* cluster/unify propogates ESTALE to parent translator, if any subvolume ↵Basavanagowda Kanur2009-04-021-4/+30
| | | | | | returns ESTALE during revalidate. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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