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* booster: Integrate VMP-based mountingShehjar Tikoo2009-05-051-2/+110
| | | | | | | | | | | | | | | | | | | | | | | | This commit brings into booster the use of VMP based operations which will allow users of booster to specifiy a VMP and use it for transparently operating on a glusterfs client context. Since applications are oblivious to booster's presence, because it is LD_PRELOAD'ed, we need to specify the VMPs and the corresponding options like volfile, logfile, loglevel, through a conf file. By default, this conf file is the /etc/booster.conf. This can be over-ridden through the GLFS_BOOSTER_CONF environment variable for the application. The format of the conf file is very simple for now. Each VMP is described on a single line with space separated fields. Format: <Virtual Mount Point> <volfile-path> <log-file> <log-level> <log-level> takes the string representation of the usual glusterfs log levels. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: A Fix deadlock in ftruncateShehjar Tikoo2009-05-051-1/+1
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Conform'ify glusterfs_readdirShehjar Tikoo2009-05-052-22/+31
| | | | | | | | | | | This commit does two things: 1. Changes glusterfs_readdir prototype to conform to the POSIX readdir(). 2. Uses a 1024-byte value instead of sizeof(struct dirent) for the @size for libgf_client_readdir. This allows even larger names to fit into a single readdir request to the server. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Add VMP-based lchownShehjar Tikoo2009-05-052-3/+96
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Add remove APIShehjar Tikoo2009-05-052-0/+86
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Add lightweight path resolutionShehjar Tikoo2009-05-051-85/+300
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Add lgetxattr APIShehjar Tikoo2009-05-052-17/+71
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Add setxattr,lsetxattr APIShehjar Tikoo2009-05-052-23/+81
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Make stat resolve all symlinksShehjar Tikoo2009-05-051-11/+10
| | | | | | | | We want to resolve even nested symlinks when calling stat, therefore, we need to depend on realpath-like functionality and not just a readlink. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Fix realpath operationShehjar Tikoo2009-05-051-23/+25
| | | | | | | | | | | | | | | This commit does two things: 1. Ensures we go on to traverse nested symlinks by calling realpath recursively on the symlink. 2. Makes glusterfs_realpath, a VMP-based operation, return a resolved /real path that actually has the VMP pre-fixed to the resolved path. If this is not done, we'll be returning a path that is valid only within the glusterfs context, i.e. the path will point to a real file/dir only if a glusterfs handle identifies which glusterfs context the file is in. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Dont lookup oldpath on symlinkShehjar Tikoo2009-05-051-13/+1
| | | | | | | The target of the symlink does not have to be interpreted in any way. It should be sent across as it is. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Improve path matching heuristicShehjar Tikoo2009-05-051-7/+73
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Guard against un-inited VMP searchesShehjar Tikoo2009-05-051-0/+6
| | | | | | | | | | | On my system, an selinux module gets inited before booster even though the FS calls from the selinux module get routed through our LD_PRELOAD'ed wrappers. In this scenario, the VMP list is un-inited, resulting in a seg-fault if it is dereferenced. The list_empty check does not help because the pointers in the list have non-NULL values. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Add comments to APIShehjar Tikoo2009-05-051-30/+773
| | | | | | | | | | | Some of the functions have also been moved within the header to reflect the order in which users will read through and try to understand how to use the lib. For eg. the init, mount and umount functions have been moved to the beginning to clarify how to start by init and de-initing. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Expose a few remaining APIsShehjar Tikoo2009-05-051-0/+14
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* libglusterfsclient: Add VMP-based renameShehjar Tikoo2009-05-052-2/+47
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Do not lock entire file for metadata operations.Vikas Gorur2009-05-052-8/+8
| | | | | | | | Metadata operations now lock only a single byte at offset (LLONG_MAX - 1) instead of the whole file, to avoid contention with writev(). Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Made afr_flush a 'quick-unwind' transaction.Vikas Gorur2009-05-051-6/+67
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: Clarify thread count rangeShehjar Tikoo2009-05-052-16/+23
| | | | | | | | | | | | | | | This patch cleans up io-threads behaviour regarding the range values that can be specified for min-threads and max-threads. THe major change is that the min threads have been reduced to 2 to signify that io-threads needs minimum two threads for its operation, while keeping the default number of threads at 16. The idea is to decouple the default thread count from the minimum thread count. Note to Avati: This applies over Raghu's indentation and logging take-3 patch. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-cache: indentation and logging fixesRaghavendra G2009-05-054-509/+426
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* io-threads: indentation and logging fixesRaghavendra G2009-05-052-199/+250
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Cleaned up log messages in storage/posix.Vikas Gorur2009-05-051-181/+214
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* write-behind: indentation and logging fixesRaghavendra G2009-04-301-158/+74
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* read-ahead: indentation and logging fixesRaghavendra G2009-04-302-105/+84
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Fix a conditional during dependency checkHarshavardhana2009-04-301-2/+2
| | | | | | Conditional was wrong and dependency check would fail. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* bug fix in server protocol segfault when the volume file key is NULLAmar Tumballi2009-04-301-0/+4
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Cleaned up log messages in features/locks.Vikas Gorur2009-04-303-57/+64
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* cluster/unify - unify_forget() should not try to access inode->ctx, if ↵Basavanagowda Kanur2009-04-301-1/+1
| | | | | | inode->st_mode is not set. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* mod_glusterfs/apache/2.2: fix segmentation faultRaghavendra G2009-04-301-1/+1
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* memory leak fix in auth/login.cRaghavendra G2009-04-301-0/+2
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* protocol/server indentation fixesAnand V. Avati2009-04-281-1532/+1048
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* protocol/server log level fixesAnand V. Avati2009-04-281-117/+118
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* protocol client log cleanupAnand V. Avati2009-04-282-31/+37
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* fuse-bridge log cleanupAnand V. Avati2009-04-281-486/+373
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* socket transport logging cleanupAnand V. Avati2009-04-281-5/+6
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* dht logging cleanupAnand V. Avati2009-04-283-10/+14
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* afr logging cleanupAnand V. Avati2009-04-284-52/+45
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* libglusterfs log cleanupAnand V. Avati2009-04-282-10/+6
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* log message cleanup in distributeAnand V. Avati2009-04-249-291/+242
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* log message supressing in DNS resolutionAnand V. Avati2009-04-241-4/+4
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* cleanup of logs in socket and ib-verbs transportsAnand V. Avati2009-04-243-64/+65
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Cleaned up log messages in replicate.Vikas Gorur2009-04-2410-186/+179
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Cleaned up log messages in client-protocol.Vikas Gorur2009-04-242-88/+97
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Cleaned up log messages in mount/fuse.Vikas Gorur2009-04-241-120/+120
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Cleaned up log messages in xlator.cVikas Gorur2009-04-241-20/+20
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Cleaned up log messages in spec.yVikas Gorur2009-04-241-31/+28
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Cleaned up log messages in inode.cVikas Gorur2009-04-241-41/+4
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Changed logging format to remove line number & function name from NORMAL and ↵Vikas Gorur2009-04-241-4/+10
| | | | | | higher levels. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Introduce new log level GF_LOG_TRACE.Vikas Gorur2009-04-243-4/+9
| | | | | | | TRACE is the most verbose log level, meant to have a full trace of operation. Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
* Remove log level TRACE and the macro GF_TRACE.Vikas Gorur2009-04-244-13/+1
| | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
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