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* api: versioned symbols in libgfapi.so for compatibilityKaleb S. KEITHLEY2015-02-091-19/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use versioned symbols to keep libgfapi at libgfapi.so.0.0.0 Some nits uncovered: + there are a couple functions declared that do not have an associated definition, e.g. glfs_truncate(), glfs_caller_specific_init() + there are five private/internal functions used by heal/src/glfsheal and the gfapi master xlator (glfs-master.c): glfs_loc_touchup(), glfs_active_subvol(), and glfs_subvol_done(), glfs_init_done(), glfs_resolve_at(); which are not declared in glfs.h; + for this initial pass at versioned symbols, we use the earliest version of all public symbols, i.e. those for which there are declarations in glfs.h or glfs-handles.h. Further investigation as we do backports to 3.6, 3.4, and 3.4 will be required to determine if older implementations need to be preserved (forward ported) and their associated alias(es) and symbol version(s) defined. FWIW, we should consider linking all of our libraries with a map, it'll result in a cleaner ABI. Perhaps something for an intern to do or a Google Summer of Code project. Change-Id: I513b9aad9c5fd7d8b34ff33acac35f37b6baaab6 BUG: 1160711 Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com> Reviewed-on: http://review.gluster.org/9056 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Niels de Vos <ndevos@redhat.com>
* gfapi: In glfs_set_volfile_server() remove the port number check.Poornima G2014-07-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The documentation for glfs_set_volfile_server() api says that the port zero is a valid value. Specifying 0 uses the default port number GF_DEFAULT_BASE_PORT. Hence removing the check for port being zero. Master branch commit 6567d141c1b0112acb35e711371ae5a879fc645a: > Change-Id: I942a7fe54a418231a438ab67756537df8f28d2de > BUG: 1084964 > Signed-off-by: Poornima G <pgurusid@redhat.com> > Reviewed-on: http://review.gluster.org/7409 > Reviewed-by: Raghavendra Talur <rtalur@redhat.com> > Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> > Tested-by: Gluster Build System <jenkins@build.gluster.com> > Reviewed-by: Vijay Bellur <vbellur@redhat.com> Change-Id: I942a7fe54a418231a438ab67756537df8f28d2de BUG: 1124728 Signed-off-by: Poornima G <pgurusid@redhat.com> Reviewed-on: http://review.gluster.org/8374 Reviewed-by: Niels de Vos <ndevos@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>
* gfapi: glfs_set_volfile_server() now entertains multiple callsHarshavardhana2014-05-091-20/+104
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Backport from - http://review.gluster.org/7317 Previous API: glfs_set_volfile_server (..., const char *host, ...) - single call New API's: glfs_set_volfile_server (..., const char *host1, ...) glfs_set_volfile_server (..., const char *host2, ...) Multiple calls to this function with different volfile servers, port or transport-type would create a list of volfile servers which would be polled during `volfile_fetch_attempts()` glfs_unset_volfile_server (..., const char *host, ...) to remove a server from the list (this is provided for future usage) >> Change-Id: I313efbd3efbd0214e2a71465f33195788df406cc >> BUG: 986429 >> Signed-off-by: Harshavardhana <harsha@harshavardhana.net> >> Reviewed-on: http://review.gluster.org/7317 >> Tested-by: Gluster Build System <jenkins@build.gluster.com> >> Reviewed-by: Niels de Vos <ndevos@redhat.com> >> Reviewed-by: Anand Avati <avati@redhat.com> Change-Id: If0020f6b8775bdbe987563247c83d59a2d3744ad BUG: 986429 Signed-off-by: Harshavardhana <harsha@harshavardhana.net> Reviewed-on: http://review.gluster.org/7384 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Niels de Vos <ndevos@redhat.com>
* gfapi: Closed the logfile fd and initialize to NULL in glfs_finiPoornima G2014-01-201-2/+2
| | | | | | | | | | | | | | | | | | | Backport of http://review.gluster.org/6552 Currently if logfile is closed and other threads call gf_log after glfs_fini() is executed, it may lead to memory corruption. Adding gf_log_fini() which closes the logfile and initializes the logfile to NULL, thus any further logging happens to stderr. Also added gf_log_globals_fini() which should be filled in the future to release all the logging resources. BUG: 1030228 Change-Id: I90f7fb744b05bc6bd14c61fe143c0814896991e2 Signed-off-by: Poornima G <pgurusid@redhat.com> Reviewed-on: http://review.gluster.org/6552 Reviewed-on: http://review.gluster.org/6731 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* gfapi: Closed the logfile fd in glfs_finiPoornima2013-11-141-0/+3
| | | | | | | | | | | | | | | | The logfile fd is not closed even after calling glfs_fini, hence in smb mount if connection to glusterfs volume fails at a point after the log file was opened, the fd would remain open until the process dies. This patch closes the logfile fd in glfs_fini. Change-Id: I608bfac9c6833b42750b0383ad26fd33ee378ee1 BUG: 1030228 Signed-off-by: Poornima <pgurusid@redhat.com> Reviewed-on: http://review.gluster.org/6263 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* gfapi: introduce glfs_readdir() and glfs_readdirplus() APIsAnand Avati2013-11-131-0/+3
| | | | | | | | | Change-Id: I6b233bf647585675f233898351bf593f251716cc BUG: 839950 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/6201 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Raghavendra Talur <rtalur@redhat.com>
* gfapi: fix mem-types initialisationKrutika Dhananjay2013-10-241-1/+1
| | | | | | | | | | | | ... and also fill the body of mem_acct_init(). Change-Id: I457d0629c20f999dd2f50e710c75b1c7575b6c19 BUG: 1021904 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: http://review.gluster.org/6134 Reviewed-by: Amar Tumballi <amarts@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* gfapi: fix return value of glfs_finiKrishnan Parthasarathi2013-10-171-4/+8
| | | | | | | | | | Change-Id: I5b90c7602334226a978bbdae2f9516e8701b403f BUG: 1004519 Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com> Reviewed-on: http://review.gluster.org/6092 Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* gfapi: object handle based API extensionsR.Shyamsundar2013-10-111-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is an ongoing effort to integrate NFS Ganesha ( https://github.com/nfs-ganesha/nfs-ganesha/wiki ) with GlusterFS as one of the file system back ends. Towards this we need extensions to gfapi that can handle object based operations. Meaning, instead of using full paths or relative paths from cwd, it is required that we can work with APIs, like the *at POSIX variants, to be able to create, lookup, open etc. files and directories. Hence the objects are the files or directories themselves and we give out handles to these objects that can be used for further operations. This code drop is an initial implementation of the proposed APIs. The new APIs are implemented as glfs_h_XXX variants in the file glfs-handleops.c to mirror glfs-fops.c style. The code leverages holding onto inode references and doling these out as opaque/cookie type objects to the callers, to enable them to be used as handles in other operations. An fd based approach was considered, but due to the extra footprint that the fd structure and its counterparts would incur, this was dropped to take the approach of holding inode references themselves. Tested by extending glfsxmp.c to invoke and exercise the added APIs, and further tested with a reference integration of the same as an FSAL with NFS Ganesha. Change-Id: I23629c99e905b54070fa2e6565147812e5f3fa5d BUG: 1016000 Signed-off-by: R.Shyamsundar <srangana@redhat.com> Reviewed-on: http://review.gluster.org/5936 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* core: block unused signals in created threadsAnand Avati2013-09-251-1/+1
| | | | | | | | | | | | | | | Block all signal except those which are set for explicit handling in glusterfs_signals_setup(). Since thread spawning code in libglusterfs and xlators can get called from application threads when used through libgfapi, it is necessary to do this blocking. Change-Id: Ia320f80521a83d2edcda50b9ad414583a0175281 BUG: 1011662 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/5995 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* logging: Expose set_log_file_path() in libglusterfs.Vijay Bellur2013-09-241-6/+14
| | | | | | | | | | | | | This patch also changes the behavior of glfs_set_logging(). If logfile argument is not provided to glfs_set_logging(), libgfapi uses set_log_file_path() to create a logfile. Change-Id: I49ec66c7f16f5604ff2f7cf7b365b08a05b5460d BUG: 764890 Signed-off-by: Vijay Bellur <vbellur@redhat.com> Reviewed-on: http://review.gluster.org/5910 Reviewed-by: Anand Avati <avati@redhat.com> Tested-by: Anand Avati <avati@redhat.com>
* gfapi: implement a minimial glfs_fini()Anand Avati2013-09-171-4/+44
| | | | | | | | | | | | | | | At the very least, we should PARENT_DOWN on the currently active graph and disconnect ourselves from glusterd. Further cleanups underway. Change-Id: I9276686a84b0975b5ce272b4cbec1b80920d5c5c BUG: 1004519 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/5788 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* synctask: minor enhancementsAnand Avati2013-08-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | - Enhance syncenv_new() to accept scaling parameters of syncproc. Previously the scaling parameters were hardcoded and decided at compile time. - New API synctask_create() which returns the created synctask. This is similar to synctask_new which only returned the status of whether a synctask could be created or not. The meaning of NULL cbk in synctask_create() means the task is "joinable". Until synctask_join() is called on such a synctask, the task is not reaped and resources are not destroyed. The task would be in a zombie state after synctask_fn returns and before synctask_join() is called. Change-Id: I368ec9037de9510d2ba951f0aad86aaf18d9a6b6 BUG: 986775 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/5365 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Brian Foster <bfoster@redhat.com>
* log: set ident to openlogBala.FA2013-08-131-1/+2
| | | | | | | | | | | | | | | | | | | | at syslog side, log message is identified by its properties like programname, pid, etc. brick/mount processes need to be identified uniquely as they are different process of gluterfsd/glusterfs. At rsyslog side, log separated by programname/app-name with pid works but bit hard to identify them in long run which process is for what brick/mount. This patch fixes by setting identity string at openlog() which sets programname/app-name as similar to old style log file prefixed by gluster, glusterd, glusterfs or glusterfsd Change-Id: Ia05068943fa67ae1663aaded1444cf84ea648db8 BUG: 928648 Signed-off-by: Bala.FA <barumuga@redhat.com> Reviewed-on: http://review.gluster.org/5541 Reviewed-by: Vijay Bellur <vbellur@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>
* gfapi: handle graph switch (cwd, fds, locks)Anand Avati2013-05-281-49/+26
| | | | | | | | | | | | | | - Migrate open fds to new graph - Migrate locks held in open fd to new fd - Refresh CWD, so resolution of relative paths happens on refreshed inode (on new graph). Change-Id: I4b18083b9b290107ebda1f917fc85b635ab72fb4 BUG: 953694 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/5059 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Raghavendra G <raghavendra@gluster.com>
* gfapi: ignore NULL and -1 parameters in glfs_set_logging()Anand Avati2013-05-251-5/+8
| | | | | | | | | | | | Permit changing either logfile or level by specifying the other as -1 or NULL respectively. Change-Id: I7df05db7b613c57e0106a5cce846ae26d2a160d4 BUG: 953694 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/5085 Reviewed-by: Vijay Bellur <vbellur@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>
* gfapi: provide stable st_dev in stat structureAnand Avati2013-05-251-0/+2
| | | | | | | | | | | | | Samba depends on st_dev being unique and stable for different filesystems (it uses st_dev+st_ino as key to store metadata of a file). Change-Id: Ia022fabadfb5ef3fc9724c1b1ca86f1a20f98af9 BUG: 953694 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/5045 Reviewed-by: Vijay Bellur <vbellur@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>
* gfapi: add new API glfs_set_xlator_option()Anand Avati2013-05-021-1/+41
| | | | | | | | | | | | This is the equivalent of specifying --xlator-option command line argument to glusterfsd. Change-Id: I1171dd518a85db4bd456fa0790f450e889a956cd BUG: 953694 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/4927 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* gfapi: POSIX locking supportAnand Avati2013-04-241-0/+1
| | | | | | | | | Change-Id: I37d9e1fb4a715094876be6af3856c1b4cf398021 BUG: 953694 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/4881 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* gfapi: support for chdir() and familyAnand Avati2013-04-191-1/+17
| | | | | | | | | | | | Add support for chdir, fchdir, getcwd, realpath equivalents in GFAPI. These are required for the Samba VFS plugin. Change-Id: I91d2db9146994403c98961c489c7640c51d5add2 BUG: 953694 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/4853 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* Better mechanism to handle memory accountingVijay Bellur2013-02-171-0/+2
| | | | | | | | | | | | | | Memory accounting will now be enabled if: 1) Any glusterfs process is spawned with argument --mem-accounting. 2) DEBUG is defined. Change-Id: I3345e114127a57ce61916be0e2c4e0049a4c3432 BUG: 834465 Signed-off-by: Vijay Bellur <vbellur@redhat.com> Reviewed-on: http://review.gluster.org/4523 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* gfapi: Mark fs->init status done in glfs_init_done for the case of ↵Mohammed Junaid2013-02-031-4/+15
| | | | | | | | | | | | | | | | glfs_init_async. This seen when we call glfs_init_async. The glfs_init_done function, calls the call-back function without assigning 1 to fs->init. The problem occurs when we call glfs_read or a similar api next time which checks if fs->init is 1 and will enter into an infinite wait if it is zero. Change-Id: I34a3d1652c80e737f5b05082a3fbb6e5978b14cd BUG: 839950 Signed-off-by: Mohammed Junaid <junaid@redhat.com> Reviewed-on: http://review.gluster.org/4445 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* syncop: handle 'dataonly' flag in syncop_fsync()Amar Tumballi2012-08-201-2/+0
| | | | | | | | | | | | * and also in syncop_readv(), don't look at _cbk args if op_ret is < 0. Change-Id: I3ab2982bc6d186e75b6adb74c8981e4ff7058bbe Signed-off-by: Amar Tumballi <amarts@redhat.com> BUG: 839950 Reviewed-on: http://review.gluster.org/3828 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* core: reduce the usage of global variablesAmar Tumballi2012-08-031-6/+9
| | | | | | | | | | | | | | | | | | | | | | | * move all the 'logging' related global variables into ctx * make gf_fop_list a 'const' global array, hence no init(), no edits. * make sure ctx is allocated without any dependancy on memory-accounting infrastructure, so it can be the first one to get allocated * globals_init() should happen with ctx as argument not yet fixed below in this patchset: * anything with 'THIS' related globals * anything related to compat_errno related globals as its one time init'd and not changed later on. * statedump related globals Change-Id: Iab8fc30d4bfdbded6741d66ff1ed670fdc7b7ad2 Signed-off-by: Amar Tumballi <amarts@redhat.com> BUG: 764890 Reviewed-on: http://review.gluster.com/3767 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* glfsxmp extensionAnand Avati2012-08-021-0/+1
| | | | | | | | | Change-Id: I3859621637025e464bc83d748bae7dff9808643f BUG: 839950 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.com/3735 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* gfapi: set errno in glfs_init()Anand Avati2012-08-021-0/+2
| | | | | | | | | | | save errno from glfs_init_done and set it in glfs_init_wait() Change-Id: I1a2f43a7e7b0f07f279c175df987ff94d642b629 BUG: 839950 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.com/3771 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* gfapi: missed setting port optionAnand Avati2012-08-021-0/+1
| | | | | | | | | | Change-Id: I72790de10cefaae3d3307b6fbb9899907b019ccc BUG: 839950 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.com/3733 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com> Reviewed-by: Bharata B Rao <bharata.rao@gmail.com>
* Warnings: Fix set, unused variable warningsPranith Kumar K2012-07-291-3/+0
| | | | | | | | | Change-Id: If7ee85aa0d93f9018a76e7f60fcb7dcaf849dbdc BUG: 839950 Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Reviewed-on: http://review.gluster.com/3742 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* gfapi: API/library for accessing gluster volumesAnand Avati2012-07-181-0/+546
Change-Id: Ie4cbcf91b58218bebf23cf951c313aceeb29f311 BUG: 839950 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.com/3664 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com> Reviewed-by: Bharata B Rao <bharata.rao@gmail.com>
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