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* glusterfs: add gf_mkostemp api and use it instead of mkostemp of libcRaghavendra Bhat2012-10-171-0/+1
| | | | | | | | | Change-Id: Icc12b99e2233d22037e2c4bb2b6966e45668b7dd BUG: 764890 Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com> Reviewed-on: http://review.gluster.org/4091 Reviewed-by: Anand Avati <avati@redhat.com> Tested-by: Anand Avati <avati@redhat.com>
* build: remove useless explicit -fPIC -shared fromJeff Darcy2012-10-031-1/+1
| | | | | | | | | | | | | | | | | | | | CFLAGS libtool will automatically add "-fPIC" to the compiler command line as needed, so there is no need to specify it separately. "-shared" is normally a linker flag and has an odd effect when used with libtool --mode=compile, namely that it inhibits production of static objects. For that however, using AC_DISABLE_STATIC is a lot simpler. Change-Id: Ic4cba0fad18ffd985cf07f8d6951a976ae59a48f BUG: 862082 Original-author: Jan Engelhardt <jengelh@inai.de> Signed-off-by: Jan Engelhardt <jengelh@inai.de> Signed-off-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-on: http://review.gluster.org/4027 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* build: remove -nostartfiles flagJeff Darcy2012-10-021-1/+1
| | | | | | | | | | | | | | | The "-nostartfiles" is a discouraged option and is documented to potentially result in undesired behavior. Since I see no reason why it should be in glusterfs, remove it. Change-Id: I56f2b08874516ebad91447b2583ca2fb776bb7ab BUG: 862082 Original-author: Jan Engelhardt <jengelh@inai.de> Signed-off-by: Jan Engelhardt <jengelh@inai.de> Signed-off-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-on: http://review.gluster.org/4018 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* build: consolidate common compilation flags into one variableJeff Darcy2012-10-011-3/+3
| | | | | | | | | | | | | | | Some -D flags are present in all files, so collect them. This adds -D${GF_HOST_OS} to some compiler command lines, but this should not be a problem. Change-Id: I1aeb346143d4984c9cc4f2750c465ce09af1e6ca BUG: 862082 Original-author: Jan Engelhardt <jengelh@inai.de> Signed-off-by: Jan Engelhardt <jengelh@inai.de> Signed-off-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-on: http://review.gluster.org/4013 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* Fix parallel build issuesKacper Kowalik (Xarthisius)2012-09-261-0/+1
| | | | | | | | | | | | | Prevent creating symbolic links in not yet created sbindir. Since lex creates two files, make them depend on each other to prevent race condition. Change-Id: I72b633b24de33407006d70571b0a40adaa99dc2b BUG: 859843 Signed-off-by: Kacper Kowalik (Xarthisius) <xarthisius.kk@gmail.com> Reviewed-on: http://review.gluster.org/3968 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* event: peel out poll and epoll specific code into separate filesAnand Avati2012-09-121-1/+3
| | | | | | | | | | | code re-org, no change in logic. Change-Id: Ib1cb3d3f4cf8989a916df7476479c26570d07a84 BUG: 821087 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/3932 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* Add missing contrib/libgen files to distributionEmmanuel Dreyfus2012-08-301-1/+2
| | | | | | | | | | BUG: 764655 Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org> Change-Id: I3f49eb4a1a186cb2d178539ada6a05c8c1aa8265 Reviewed-on: http://review.gluster.org/3882 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com> Reviewed-by: Anand Avati <avati@redhat.com>
* Add support for --enable-debug configure optionDeepak C Shetty2012-08-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Currently default build adds -g -O2 to CFLAGS unconditionally and there is no way to control them from configure. This patch adds support for --enable-debug option to the configure cmdline. If yes, then only -g is added. If no, then -g -O2 is added. Build defaults to --enable-debug=no. Also fixes couple of Makefile.am's which had -g hardcoded. v2: Adds -O0 for debug=yes case. v3: Added bugID while submitting patch Change-Id: I7505619be6fc683de463a0bd44ba5500b0bedfe1 BUG: 851092 Signed-off-by: Deepak C Shetty <deepakcs@linux.vnet.ibm.com> Reviewed-on: http://review.gluster.org/3822 Tested-by: Gluster Build System <jenkins@build.gluster.com> Tested-by: Deepak Shetty <dpkshetty@gmail.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* core: remove libglusterfs/src/scheduler.[ch]Amar Tumballi2012-08-011-2/+1
| | | | | | | | | | | | * as its not part of the build * confuses with some TAGS and 'git greps' Change-Id: I1f97307a8ce486ba56a4a3ad0151276b0a72e096 Signed-off-by: Amar Tumballi <amarts@redhat.com> BUG: 764890 Reviewed-on: http://review.gluster.com/3769 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
* glusterfs_ctx_t: un-globalize the filesystem contextAnand Avati2012-07-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | So far there has been a global glusterfs_ctx_t object which represents the running instance of the filesystem (client or server). It contains the various graphs, connection to the management daemon over which new graphs are obtained, calls stacks issued on this filesystem, and a bunch of such things. With the introduction of libgfapi, it is no more true that there will be only one filesystem context in a process. Applications can be written to use libgfapi and obtain serveral instances of different filesystems/volumes in the same process. This involves messy untangling of assumptions inside libglusterfs that there would only be one global glusterfs_ctx_t and offload that assumption to glusterfsd/ and cli/ (where it is true). Change-Id: Ifd7d1259428c26076140a5764a2dc7361694139c BUG: 839950 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.com/3678 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* libglusterfs,mount/fuse: implement gidcache mechanism in fuse-bridgeBrian Foster2012-07-171-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | This change genericizes the cache mechanism implemented in commit 8efd2845 into libglusterfs/src/gidcache.[ch] and adds fuse-bridge as a client. The cache mechanism is fundamentally equivalent, with some minor changes: - Change cache key from uid_t to uint64_t. - Modify the cache add logic to locate and use an entry with a matching ID, should it already exist. This addresses a bug in the existing mechanism where an expired entry supercedes a newly added entry in lookup, causing repeated adds and flushing of a cache bucket. The fuse group cache is disabled by default. It can be enabled via the 'gid-timeout' fuse-bridge translator option and accompanying mount option (i.e., '-o gid-timeout=1' for a 1s entry timeout). BUG: 800892 Change-Id: I0b34a2263ca48dbb154790a4a44fc70b733e9114 Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-on: http://review.gluster.com/3676 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-by: Anand Avati <avati@redhat.com>
* Replace GPLV3 MD5 with OpenSSL MD5Kaleb KEITHLEY2012-04-041-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ric asked me to look at replacing the GPL licensed MD5 code with something better, i.e. perhaps faster, and with a less restrictive license, etc. So I took a couple hour holiday from working on wrapping up the client_t and did this. OpenSSL (nee SSLeay) is released under the OpenSSL license, a BSD/MIT style license. OpenSSL (libcrypto.so) is used on Linux, OS X and *BSD, Open Solaris, etc. IOW it's universally available on the platforms we care about. It's written by Eric Young (eay), now at EMC/RSA, and I can say from experience that the OpenSSL implementation of MD5 (at least) is every bit as fast as RSA's proprietary implementation (primarily because the implementations are very, very similar.) The last time I surveyed MD5 implementations I found they're all pretty much the same speed. I changed the APIs (and ABIs) for the strong and weak checksums. Strictly speaking I didn't need to do that. They're only called on short strings of data, i.e. pathnames, so using int32_t and uint32_t is ostensibly okay. My change is arguably a better, more general API for this sort of thing. It's also what bit me when gerrit/jenkins validation failed due to glusterfs segv-ing. (I didn't pay close enough attention to the implementation of the weak checksum. But it forced me to learn what gerrit/jenkins are doing and going forward I can do better testing before submitting to gerrit.) Now resubmitting with a BZ Change-Id: I545fade1604e74fc68399894550229bd57a5e0df BUG: 807718 Signed-off-by: Kaleb KEITHLEY <kkeithle@redhat.com> Reviewed-on: http://review.gluster.com/3019 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
* libglusterfs: Implement circular buffer and event historyRaghavendra Bhat2012-02-201-2/+2
| | | | | | | | | | | | | | | | | Implement circular buffer framework, so that it can be used by other components such as event history management. And event history is implemented which can be used by xlator to dump some information to a file (such as information of some structure etc). Through statedump, history of each xlator can be dumped. An option called history should be given to the statedump command. Change-Id: I7c5e8f6bd1018584eaee856e933e7c4b94c6709c BUG: 795419 Signed-off-by: Raghavendra Bhat <raghavendrabhat@gluster.com> Reviewed-on: http://review.gluster.com/2769 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vijay@gluster.com>
* protocol/client,server: fcntl lock self healing.Mohammed Junaid2012-02-201-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently(with out this patch), on a disconnect the server cleans up the transport which inturn closes the fd's and releases the locks acquired on those fd's by that client. On a reconnect, client just reopens the fd's but doesn't reacquire the locks. The application that had previously acquired the locks still is under the assumption that it is the owner of those locks which might have been granted to other clients(if they request) by the server leading to data corruption. This patch allows the client to reacquire the fcntl locks (held on the fd's) during client-server handshake. * The server identifies the client via process-uuid-xl (which is a combination of uuid and client-protocol name, it is assumed to be unique) and lk-version number. * The client maintains a list of process-uuid-xl, lk-version pair for each accepted connection. On a connect, the server traverses the list for a matching pair, if a matching pair is not found the the server returns lk-version with value 0, else it returns the lk-version it has in store. * On a disconnect, the server and client enter grace period, and on the completion of the grace period, the client bumps up its lk-version number (which means, it will reacquire the locks the next time) and the server will distroy the connection. If reconnection happens within the grace period, the server will find the matching (process-uuid-xl, lk-version) pair in its list which guarantees that the fd's and there corresponding locks are still valid for this client. Configurable options: To set grace-timeout, the following options are option server.grace-timeout value option client.grace-timeout value To enable or disable the lk-heal, option lk-heal [on|off] gluster volume set command can be used to configurable options Change-Id: Id677ef1087b300d649f278b8b2aa0d94eae85ed2 BUG: 795386 Signed-off-by: Mohammed Junaid <junaid@redhat.com> Reviewed-on: http://review.gluster.com/2766 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vijay@gluster.com>
* core: change lk-owner as a 1k bufferAmar Tumballi2012-01-241-1/+1
| | | | | | | | | | | | | so, NLM can send the lk-owner field directly to the locks translators, while doing the same effort, also enabled sending maximum of 500 aux gid over protocol. Change-Id: I87c2514392748416f7ffe21d5154faad2e413969 Signed-off-by: Amar Tumballi <amar@gluster.com> BUG: 767229 Reviewed-on: http://review.gluster.com/779 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@gluster.com>
* bz 3826, fix for parallel make in fedora build systemKaleb KEITHLEY2011-12-011-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | builds of glusterfs in the fedora build system often fail due to a race condition between running yacc and starting to compile the y.tab.c produced by yacc We found that the previous fix would still occasionally trip the race condition. This revised patch changes the automake Makefile.am to generate the parser files without incurring the race condition. An extra dimension of the problem is that the tarball from http://download.gluster.com/pub/gluster/glusterfs/3.2/3.2.5/glusterfs-3.2.5.tar.gz contains files that you don't get when you clone from the git repo (e.g. libgluster/src/{graph.lex.c,y.tab.c}, and all the Makefile.in files) so build issues on fedora build systems do not manifest themselves on jenkins and vice versa. This works on jenkins, the fedora build system, and my f16 vm/guest machines. (Finding the right combination that works on all three was an exercise to say the least. I'm open to other suggestions for avoiding the race condition.) Run autogen.sh to (re)generate the Makefile.ins. Then run configure to produce all Makefiles, followed by `make -j X` where X>1 see also https://bugzilla.redhat.com/show_bug.cgi?id=756510 BUG: 3826 Change-Id: Iaeecb59c61a77bf3927da18253c83cf5ffed4254 Reviewed-on: http://review.gluster.com/765 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-by: Anand Avati <avati@gluster.com>
* contrib/uuid: Make sure that uuid_types.h are generated per system specific.Harshavardhana2011-11-301-1/+4
| | | | | | | | | | | | | Just the same way e2fsprogs maintains. This avoids unnecessary problems for different architectures. Change-Id: I3911998373756707996afb7b926ec0780ea18b81 BUG: 3833 Signed-off-by: Harshavardhana <fharshav@redhat.com> Reviewed-on: http://review.gluster.com/764 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-by: Amar Tumballi <amar@gluster.com>
* bz 3826, fix for parallel make in fedora build systemKaleb KEITHLEY2011-11-301-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | builds of glusterfs in the fedora build system often fail due to a race condition between running yacc and starting to compile the y.tab.c produced by yacc This patch changes the automake Makefile.am to generate the parser files without incurring the race condition This works on jenkins, the fedora build system, and my f16 vm/guest machines. (Finding the right combination that works on all three was an exercise to say the least. I'm open to other suggestions for avoiding the race condition.) Run autogen.sh to (re)generate the Makefile.ins. Then run configure to produce all Makefiles, followed by `make -j X` where X>1 see also https://bugzilla.redhat.com/show_bug.cgi?id=756510 BUG: 3826 Change-Id: I06ba0d0a1d59f0f44c0dd2cd9d227ca08d99e205 Reviewed-on: http://review.gluster.com/763 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Jeff Darcy <jdarcy@redhat.com> Reviewed-by: Anand Avati <avati@gluster.com>
* xlator options: revamp xlator option validation/reconfigure codeAnand Avati2011-08-181-5/+28
| | | | | | | | | | | | | | | | | - move option handling to options.c (new file) - remove duplication of option validation code - remove duplication of gf_log / sprintf - get rid of xlator_t->validate_options - get rid of option validation in rpc-transport - get rid of validate_options() in every xlator - use xlator_volume_option_get to clean up many functions - introduce primitives to init/reconfigure option types Change-Id: I51798af72c8dc0a2b9e017424036eb3667dfc7ff BUG: 3415 Reviewed-on: http://review.gluster.com/235 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@gluster.com>
* libglusterfs: Bring in os_daemon_* routines to replace modified FreeBSD codeVijay Bellur2011-07-281-3/+3
| | | | | | | | Change-Id: I41f4635b1b75adb6d22e2e325b99941f8d7a0b42 BUG: 3206 Reviewed-on: http://review.gluster.com/100 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amar@gluster.com>
* libglusterfs: add 'run' sub-lib for safe and convenient invocation of ↵Csaba Henk2011-05-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | external programs Summary: - arguments first collected, then the invocation happens with fork + exec - flexible specification of arguments (besides si{mp,ng}le argument addition, support for adding multiple of them at a time / specifying one with printf style formatting) [ ==> goodbye printf percentage soup when composing commands ] - single point of error check - simple command runs are done in just one line - support for redirection, popen(3) like functionality API is documented in details in libglusterfs/src/run.h Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2562 (invoke external commands precisely with fork + exec) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2562
* libglusterfs: clean up memory typesCsaba Henk2011-05-261-1/+1
| | | | | | | | | | Unify them in one header, weed out overlap. Signed-off-by: Csaba Henk <csaba@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2562 (invoke external commands precisely with fork + exec) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2562
* Fix solaris build failure in latest gitshishir gowda2011-03-101-3/+3
| | | | | | | | Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 2440 (Fix solaris build issues seen on latest git) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2440
* build fixes in mac os xv3.1.3qa5shishir gowda2011-03-071-2/+2
| | | | | | | | | | | | | | | | Looks good. ----- Original Message ----- From: "Amar Tumballi" <amar@gluster.com> To: rfc@dev.gluster.com Sent: Thursday, March 3, 2011 6:30:52 PM Subject: [PATCH BUG:625] build fixes in mac os x Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 625 (Gluster Fails to build on OS X 10.6.2) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=625
* Stop building uuid test programVijay Bellur2011-02-281-1/+1
| | | | | | | | | | Building tst_uuid.c results in a compilation error with -DDEBUG Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 2447 (Enable assert () and memory accounting with DEBUG) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2447
* libglusterfs, glusterfsd: add shortname resolution + optname hinting support ↵Csaba Henk2010-10-261-2/+2
| | | | | | | | | | | | to VOLUME SET Trie code used for hinting is contributed by Avati. Signed-off-by: Csaba Henk <csaba@lowlife.hu> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1750 (clean up volgen) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1750
* implemented graph printingCsaba Henk2010-10-021-2/+2
| | | | | | | | 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
* gfid: introduce uuid based handles for inodesAnand Avati2010-09-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* syncop: initial implementationPavan Sondur2010-07-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Resending Avati's syncop patch with a few bug fixes. (please do not skip the IMPORTANT NOTES section) * Framework for SYNChronous OPerations -------------------------------------- This patch provides a framework for performing synchronous operations over the underlying actual asynchronous GlusterFS FOPS. * Use cases ----------- 1. Convenient implementation of crawler thread in replicate/pump 2. Convenient implementation of high level control flow in DVM * Background ------------ All (almost) threads in GlusterFS are hosts for executing aysnchronous file operations using the STACK_WIND and STACK_UNWIND primitives - as calls and callbacks. While the STACK_WIND and STACK_UNWIND macros provide high control for efficiently implementing file operations in a clustered/parallel environment, there are tasks where the nature of the task itself is sequential and the execution performance of the task is not critical. In these cases the complexity to implement the task with STACK_WIND/STACK_UNWIND based operations as calls and callbacks is an overkill. * Introduction --------------- syncop: are wrappers around the STACK_WIND/STACK_UNWIND based asynchronous fops. synctask: a sequential task (a C function) which uses syncops. syncenv: an environement to schedule and execute synctasks. The synchronicity is implemented via ucontext.h based continuations. Execution of synchronous tasks is possible only in a synchronous environment. Therefore, the first step is to create such an environment - struct syncenv *env = syncenv_new (0); This creates a synchronous environment, with a thread (scheduler) to host the synchronous tasks. Creation of this environment is generally to be done at the time of process initialization. Next is to spawn a synchronous task in this environment - int slow_self_heal (void *data); int completion_func (int ret, void *data); ret = synctask_new (env, slow_self_heal, completion_func, data); Here slow_self_heal is a task which is implemented using synchronous operations. When slow_self_heal() completes, completion_func() is called with the first parameter as the return value of slow_self_heal(). Both these functions get the @data argument as the same value passed to synctask_new(). int slow_self_heal (void *data) { xlator_t *child = FIRST_CHILD (THIS); fd_t *dir = NULL; ... dir = syncop_opendir (child, loc); entry = syncop_readdir (dir); ... return ret; } * IMPORTANT NOTES ----------------- - calling syncops in code executing outside the synchronous environment will very likely cause and undesired blocking of the executing thread leading to deadlocks!! The synchronous environment is a special thread where such sleeps are safe, and these sleeps result in the scheduler to 'swap in' other synctasks. - syncops can put the task to sleep. DO NOT issue syncops while holding mutexes. This is very similar to the blunder of holding a mutex and doing STACK_WIND. - It works best when synctasks use only syncops. If a call_frame is created and STACK_WIND'ed, the callback would very likely happen in a thread outside the synchronous enviroment, at an undefined time - as expected. So note that the synchronous environment does not tame the notorious behaviour of STACK_WIND. Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* Fix compilation issues when uuid/uuid.h is not presentVijay Bellur2010-07-151-1/+1
| | | | | | | | Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* Bring in uuid to contribVijay Bellur2010-07-151-2/+2
| | | | | | | | Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* protocol/lib: rename files to standardized names and placesAnand Avati2010-07-141-1/+1
| | | | | | | | | | | | - move xlators/protocol/lib/* to rpc/xdr/ - rename CLI and glusterd XDR filenames - remove xlators/protocol/lib (libgfproto1.so) Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875
* mem-types: include *-mem-types.h in noinst_HEADERS variables in all Makefile.amAnand Avati2010-06-081-1/+1
| | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 329 (Replacing memory allocation functions with mem-type functions) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=329
* dynamic volume changes for graph replacementAnand Avati2010-06-071-9/+9
| | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 971 (dynamic volume management) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=971
* frame's 'op', 'type' restructuredAmar Tumballi2010-05-031-2/+2
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875
* structuring of protocol - 2Amar Tumballi2010-05-031-3/+3
| | | | | | | | | | | | * 'transports/' and 'auth/' moved to xlators/protocol/ * transport.{c,h}, authenticate.{c,h}, protocol.h moved to xlators/protocol/lib/src/ Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875
* core: Do internal latency measurement of FOPs.Vikas Gorur2010-04-041-2/+2
| | | | | | | | | | | | | | | | | | | This patch adds a facility by which each translator keeps track of the average latency of a FOP from its point of view. That is, the duration between the translator handing over the call to a lower-level translator and the reply coming back. The latency measurement is off by default, and can be toggled by sending SIGUSR2 to the GlusterFS process. Latency data is printed as part of the process state dump. Signed-off-by: Vikas Gorur <vikas@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 268 (Add timing instrumentation code) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=268
* introduce iatt.h for inode attributes (to replace 'struct stat')Anand V. Avati2010-03-161-1/+1
| | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 361 (GlusterFS 3.0 should work on Mac OS/X) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=361
* core: Add rbtree based hash tableShehjar Tikoo2009-10-061-3/+3
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 145 (NFSv3 related additions to 2.1 task list) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=145
* libglusterfs: Add checksum functions.Vikas Gorur2009-09-221-2/+2
| | | | | | | | | | | gf_rsync_weak_checksum: Calculates a simple 32-bit checksum. gf_rsync_strong_checksum: Calculates the MD5 checksum. The strong checksum function makes use of Christophe Devine's MD5 implementation (adapted from the rsync source code, version 3.0.6. <http://www.samba.org/ftp/rsync/>). Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* TAKE2[PATCH BUG:213 1/1] Support for Process State DumpVijay Bellur2009-08-191-2/+2
| | | | | | | | | Support for process state dump. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 213 (Support for process state dump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213
* globals: add globals.h/c THIS: macro to access thread specific current ↵Anand V. Avati2009-05-221-2/+2
| | | | | | | xlator CTX: macro to access glusterfs global context (glusterfs_ctx_t) Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* booster: Move fstab parsing into booster from libglusterfsShehjar Tikoo2009-05-201-2/+2
| | | | | | | | | | | This is another attempt at fixing build problems on Solaris. I am told that booster build is disabled on Solaris and I know that it is disabled on Mac OS X also. Getting it to work on both these systems is now on my TODO list, mainly because on both these systems, we can have a glusterfs client running without requiring FUSE. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* booster: Add fstab parsing supportShehjar Tikoo2009-05-081-2/+2
| | | | | | | | | | | | | This commit changes the booster.conf format from a simple custom format to that of the /etc/fstab.c See booster_mount(..) for the mount options supported/required for LD_PRELOADing booster. I'll write a small help doc soon. This commit also brings in fstab parsing code into libglusterfs because Darwin libc only supports reading the hardcoded /etc/fstab. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* IOBUF support (to be used by transports and fuse)Anand V. Avati2009-04-121-2/+2
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Add system call abstraction layerVikas Gorur2009-03-171-2/+2
| | | | | | | | | - syscall.c provides platform-independent system calls - previous code for this from compat.c removed - posix xlator uses new functions from syscall.c - solaris_flistxattr added to compat.c Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Added all filesVikas Gorur2009-02-181-0/+21
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