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* volgen: reimplement volgenCsaba Henk2010-10-023-62/+51
| | | | | | | | | | | | | | | | | Generating a volfile occurs in two steps: - Build a graph (ie, glusterfs_graph_t instance) by graph manipulation primitives - Write out the graph to a file by the the graph printing API. Graph builder routines can optionally make use of a "modifier dict", which can contain overrides wrt. volume options. This can be used for a "dry-run" graph generation. Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1750 (clean up volgen) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1750
* implemented graph printingCsaba Henk2010-10-026-9/+285
| | | | | | | | Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1750 (clean up volgen) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1750
* xlator: make it possible to do type setting and dynamic loading separatelyCsaba Henk2010-10-022-8/+34
| | | | | | | | Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1750 (clean up volgen) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1750
* Replace assert in mem_put with gf_log_callingfnshishir gowda2010-10-021-1/+6
| | | | | | | | Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1759 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1759
* Changes to replace flock with gf_flock across GlusterFS.Pavan Sondur2010-10-017-32/+40
| | | | | | | | Signed-off-by: Pavan Vilas Sondur <pavan@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 865 (Add locks recovery support in GlusterFS) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=865
* cluster/afr: Recover locks on child_up from source to sink.Pavan Sondur2010-10-011-1/+1
| | | | | | | | Signed-off-by: Pavan Vilas Sondur <pavan@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 865 (Add locks recovery support in GlusterFS) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=865
* glusterfsd: perform init new graph if re-configure failsVijay Bellur2010-09-301-4/+12
| | | | | | | | Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1235 (Bug for all pump/migrate commits) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1235
* protocol/client: cluster/afr: Support lock recovery and self heal.Pavan Sondur2010-09-301-1/+14
| | | | | | | | Signed-off-by: Pavan Vilas Sondur <pavan@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 865 (Add locks recovery support in GlusterFS) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=865
* features/quiesce: new translatorAmar Tumballi2010-09-291-0/+4
| | | | | | | | | | | | | | | | | 'Quiesce' is used to describe pausing or altering the state of running processes on a computer In GlusterFS context, this translator looks for CHILD_DOWN/CHILD_UP events, and will hold the requests for some time if the child node is in disconnected state current timeout is 20seconds, will be made tunable soon Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1500 (Mount point should not be in-accessible between reconnect to server) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1500
* defaults.{c,h}: _resume functions addedAmar Tumballi2010-09-292-1166/+1340
| | | | | | | | | | | * cleaned up whitespace * untabify Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1500 (Mount point should not be in-accessible between reconnect to server) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1500
* mgmt/glusterd: prevent cleanup_and_exit if its already startedPranith K2010-09-281-0/+1
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1706 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1706
* more proper error returns in case of graph topology validationAmar Tumballi2010-09-282-9/+5
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* change the loglevel from error to debug while reconfiguringRaghavendra Bhat2010-09-281-1/+1
| | | | | | | | Signed-off-by: Raghavendra Bhat <raghavendrabhat@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1729 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1729
* stack.h: remove the time/latency measurement codeAmar Tumballi2010-09-241-37/+0
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1701 (better statistics gathering in glusterd) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1701
* dict: add dict_get_str_boolean() function handily query string-boolean valuesCsaba Henk2010-09-242-0/+62
| | | | | | | | Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1670 (Volume set enable disable support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1670
* core: Introduce string representation of GF_EVENTSShehjar Tikoo2010-09-222-0/+30
| | | | | | | | Signed-off-by: Shehjar Tikoo <shehjart@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1643 (Initial requests after mount ESTALE if DHT subvolumes connect after nfs startup) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1643
* libglusterfs: handle failure properly in gf_system()Csaba Henk2010-09-211-1/+6
| | | | | | | | | | | | | | | | - Child must be terminated if execve(2) fails, otherwise it will deadlock parent - Status, as of given by waitpid(2), is aggregated data, should not be returned as is. In fact, there is not much point in threading up the exitvalue: callers usually return gf_system result as is, and according to glusterfs conventions, they should return -1 on failure. Therefore now we check only for success/fail, and return 0/-1. Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1665 (glusterd hangs if spawning a child is failed) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1665
* Glusterd: gluster volume set <volume> <option> <value>Kaushik BV2010-09-184-0/+74
| | | | | | | | Signed-off-by: Kaushik BV <kaushikbv@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1159 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1159
* check for 'link_inode' in server protocolAmar Tumballi2010-09-181-2/+2
| | | | | | | | | | * also log and return in case of 'fd_bind' getting fd with NULL inode. Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1635 (running mixed tests glusterfs crashed) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1635
* nfs3: Unref & unbind dir fd with inode lock on EOFv3.1.0qa26Shehjar Tikoo2010-09-172-0/+26
| | | | | | | | | | | | | | ..so that when EOF is reached on this fd, any further requests on the same inode do not get handled through this fd but result in a new fd being opened. Unbinding results in the fd getting deleted from the inode's fd list. Signed-off-by: Shehjar Tikoo <shehjart@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1619 (glusterfs nfs server crashed on dht+replica(2x2)) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1619
* cli: add a simplistic option parser, convert "mode script" to "--mode=script"Csaba Henk2010-09-162-0/+14
| | | | | | | | Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1570 (geosync related changes) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1570
* logging: fix a crash in gf_log_callingfn()Amar Tumballi2010-09-161-3/+10
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1623 (crash in logging callingfn()) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1623
* performance/write-behind: dump contents of wb-fileRaghavendra G2010-09-166-28/+164
| | | | | | | | Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1059 (enhancements for getting statistics from performance translators) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1059
* Deadlock in state dumping while holding the logging lockKaushik BV2010-09-151-15/+10
| | | | | | | | Signed-off-by: Kaushik BV <kaushikbv@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 976 (Deadlock in state dumping while holding the logging lock) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=976
* Cleaning up mem_get0.shishir gowda2010-09-151-25/+3
| | | | | | | | | | | mem_get0 is exactly the same as mem_get, but with the addition of a call to memset(0). hence, making mem_get0 to call mem_get Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1520 (gnfs crashes on start-up in mem_get0) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1520
* remove 'gen' from iatt/protocol structuresAmar Tumballi2010-09-141-5/+0
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* Add checks in mem_pool to catch possible double freesshishir gowda2010-09-141-3/+17
| | | | | | | | Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1520 (gnfs crashes on start-up in mem_get0) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1520
* mgmt/glusterd: free xdr allocationsPranith Kumar K2010-09-142-2/+50
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1186 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1186
* logging: provide a API to print calling functionsAmar Tumballi2010-09-133-2/+152
| | | | | | | | | | * logs 3 calling functions Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1493 (log enhancement to print calling function..) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1493
* posix: remove gen related xattr usageAmar Tumballi2010-09-131-2/+2
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* dict.c: fix a redundant log in DEBUG levelAmar Tumballi2010-09-091-2/+2
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1493 (log enhancement to print calling function..) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1493
* changes in fuse proc thread initializationAmar Tumballi2010-09-061-2/+2
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1527 (mount time defunct window with remote volumes) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1527
* gfid: changes in symlink() prototype to have params dictionary with uuid in itAnand Avati2010-09-045-25/+22
| | | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* gfid: changes in mkdir() prototype to have params dictionary with uuid in itAnand Avati2010-09-045-27/+22
| | | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* gfid: changes in mknod() prototype to have params dictionary with uuid in itAnand Avati2010-09-045-32/+23
| | | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* gfid: change in create() prototype to have params dictionary with uuid in itAnand Avati2010-09-045-28/+23
| | | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* gfid: changes in inode managementAnand Avati2010-09-042-227/+66
| | | | | | | | | | | | | - incorporate usage of uuid (gfid) as the key for finding inodes - deprecate inode number/generation number based inode_get - undo code specific to generation numbers (attic list etc.) Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* gfid: introduce uuid based handles for inodesAnand Avati2010-09-043-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | gfid represents a gluter file id. This is a universally unique id assigned to a logical inode, independent of the inode numbers assigned by the various backend filesystems to that file/directory. The gfid of a file/directory will be the same on servers depending on the cluster translator in picture. The same gfid can be used as a handle across layers of various translators and across servers and clients. This was not the case previously as the cluster translators would pick the backend inode number from one of the servers and convert that into a logical inode number by performing some mathematical transforms. This new technique of addressing inodes also makes dynamic volume management have a more robust implementation as the file handles remain the same on all versions of the graphs, and allows for seamless NFS daemon restarts as well. This change makes way for server originating communication which was not possible earlier as the servers did not have any reliable way of addressing client side inodes at all. gfid solves this problem by preserving the same uuid as the handle on all the servers and across all clients Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* mgmt/glusterd: memory leak fixesPranith Kumar K2010-08-315-82/+96
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1186 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1186
* 'gluster volume log' feature addedAmar Tumballi2010-08-312-9/+6
| | | | | | | | | * 'gluster volume log filename <VOLNAME> [BRICK] <path>' * 'gluster volume log locate <VOLNAME> [BRICK]' * 'gluster volume log rotate <VOLUME> [BRICK]' Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>
* Add command logging facility for glusterdshishir gowda2010-08-312-0/+104
| | | | | | | | | | | | | | | Added new command logging facility to gf_cmd_log() which can be used to log all commands to a .cmd_log_history file situated in the glusterd working directory. Accepts 1 st argument a domain string (e.g: volume, peer..) followed by msg string (similar to gf_log) Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1404 (need a dump of all the op/mgmt commands) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1404
* changes to client to make use of the rdma functionality.Raghavendra G2010-08-301-0/+3
| | | | | | | | | | | - preallocate buffers in client and pass them to transport layer whenever a large response is expected. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 513 (Introduce 0 copy rdma) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=513
* Bring in new transport rdma.Raghavendra G2010-08-301-0/+9
| | | | | | | | | | | | - rdma is new transport and improvement over current ib-verbs. It uses rdma-read and rdma-write for efficiently transferring large buffers. For more details please refer to rfc-5666 and rfc-5667. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 513 (Introduce 0 copy rdma) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=513
* Provides the ability to filter the output of state dumpKaushik BV2010-08-303-27/+228
| | | | | | | | Signed-off-by: Kaushik BV <kaushikbv@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 828 (glusterdump filled up the /) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=828
* performance/stat-prefetch: while removing an entry from cache, remove it ↵Raghavendra G2010-08-281-1/+1
| | | | | | | | | | from caches stored in all opened fds. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1414 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1414
* fix notify mechanism to send CHILD_UP to fuseAmar Tumballi2010-08-271-1/+15
| | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>
* glusterfsd: Clang error fixes.Sachidananda2010-08-261-1/+1
| | | | | | | | Signed-off-by: Sachidananda Urs <sac@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1077 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1077
* glusterd: support for volume version and cksumv3.1.0qa8Vijay Bellur2010-08-232-194/+221
| | | | | | | | Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1310 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1310
* rpcsvc: allow creation of both rdma and socket for a single server transport.Raghavendra G2010-08-231-2/+2
| | | | | | | | Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 513 (Introduce 0 copy rdma) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=513
* gf_system: fork/exec instead of systemAmar Tumballi2010-08-212-0/+58
| | | | | | | | | | * most of the glusterd 'system()' are replaced with 'gf_system()' Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1292 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1292
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