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mount/fuse:
	* direct-io-mode            GF_OPTION_TYPE_BOOL   on|off|yes|no
	* macfuse-local             GF_OPTION_TYPE_BOOL   on|off|yes|no
	* mount-point (mountpoint)  GF_OPTION_TYPE_PATH   <any-posix-valid-path>
	* attribute-timeout         GF_OPTION_TYPE_TIME   0-3600 
	* entry-timeout             GF_OPTION_TYPE_TIME   0-3600 

protocol/server:
 	* transport-type            GF_OPTION_TYPE_STR    tcp|socket|ib-verbs|unix|ib-sdp|
	  			    			  tcp/client|ib-verbs/client
        * volume-filename.*         GF_OPTION_TYPE_PATH
	* inode-lru-limit           GF_OPTION_TYPE_INT    0-(1 * GF_UNIT_MB)
	* client-volume-filename    GF_OPTION_TYPE_PATH

protocol/client:
	* username                  GF_OPTION_TYPE_ANY
	* password                  GF_OPTION_TYPE_ANY 
	* transport-type            GF_OPTION_TYPE_STR   tcp|socket|ib-verbs|unix|ib-sdp|
	  			    			 tcp/client|ib-verbs/client
	* remote-host               GF_OPTION_TYPE_ANY 
	* remote-subvolume          GF_OPTION_TYPE_ANY 
	* transport-timeout         GF_OPTION_TYPE_TIME  5-1013 

cluster/replicate:
	* read-subvolume	    GF_OPTION_TYPE_XLATOR
	* favorite-child 	    GF_OPTION_TYPE_XLATOR
	* data-self-heal 	    GF_OPTION_TYPE_BOOL 
	* metadata-self-heal 	    GF_OPTION_TYPE_BOOL
	* entry-self-heal 	    GF_OPTION_TYPE_BOOL 
	* data-change-log 	    GF_OPTION_TYPE_BOOL 
	* metadata-change-log 	    GF_OPTION_TYPE_BOOL
	* entry-change-log 	    GF_OPTION_TYPE_BOOL
	* data-lock-server-count    GF_OPTION_TYPE_INT    0
	* metadata-lock-server-count GF_OPTION_TYPE_INT   0
	* entry-lock-server-count    GF_OPTION_TYPE_INT   0

cluster/distribute:
	* lookup-unhashed           GF_OPTION_TYPE_BOOL 

cluster/unify:
	* namespace		    GF_OPTION_TYPE_XLATOR 
	* scheduler 		    GF_OPTION_TYPE_STR    alu|rr|random|nufa|switch 
	* self-heal 		    GF_OPTION_TYPE_STR    foreground|background|off
	* optimist  		    GF_OPTION_TYPE_BOOL 

cluster/nufa:
	local-volume-name           GF_OPTION_TYPE_XLATOR 

cluster/stripe:
	* block-size		    GF_OPTION_TYPE_ANY 
	* use-xattr  		    GF_OPTION_TYPE_BOOL

debug/trace:
	* include-ops (include)     GF_OPTION_TYPE_STR
	* exclude-ops (exclude)     GF_OPTION_TYPE_STR 

encryption/rot-13:
	* encrypt-write             GF_OPTION_TYPE_BOOL
	* decrypt-read  	    GF_OPTION_TYPE_BOOL 

features/path-convertor:
	* start-offset              GF_OPTION_TYPE_INT     0-4095 
	* end-offset 		    GF_OPTION_TYPE_INT	   1-4096 
	* replace-with		    GF_OPTION_TYPE_ANY

features/trash:
	* trash-dir	            GF_OPTION_TYPE_PATH 

features/locks:
	* mandatory-locks (mandatory) GF_OPTION_TYPE_BOOL 

features/filter:
	* root-squashing	    GF_OPTION_TYPE_BOOL 
	* read-only                 GF_OPTION_TYPE_BOOL
	* fixed-uid		    GF_OPTION_TYPE_INT
	* fixed-gid		    GF_OPTION_TYPE_INT
	* translate-uid             GF_OPTION_TYPE_ANY 
	* translate-gid		    GF_OPTION_TYPE_ANY
	* filter-uid		    GF_OPTION_TYPE_ANY 
	* filter-gid		    GF_OPTION_TYPE_ANY 

features/quota:
	* min-free-disk-limit	    GF_OPTION_TYPE_PERCENT
	* refresh-interval	    GF_OPTION_TYPE_TIME
	* disk-usage-limit	    GF_OPTION_TYPE_SIZET 

storage/posix:
	* o-direct		    GF_OPTION_TYPE_BOOL
	* directory		    GF_OPTION_TYPE_PATH
	* export-statfs-size	    GF_OPTION_TYPE_BOOL
	* mandate-attribute	    GF_OPTION_TYPE_BOOL

storage/bdb:
	* directory                 GF_OPTION_TYPE_PATH
	* logdir		    GF_OPTION_TYPE_PATH
	* errfile		    GF_OPTION_TYPE_PATH
	* dir-mode		    GF_OPTION_TYPE_ANY
	* file-mode		    GF_OPTION_TYPE_ANY
	* page-size		    GF_OPTION_TYPE_SIZET
	* lru-limit		    GF_OPTION_TYPE_INT
	* lock-timeout		    GF_OPTION_TYPE_TIME
	* checkpoint-timeout	    GF_OPTION_TYPE_TIME
	* transaction-timeout	    GF_OPTION_TYPE_TIME
	* mode			    GF_OPTION_TYPE_BOOL
	* access-mode		    GF_OPTION_TYPE_STR

performance/read-ahead:
	* force-atime-update        GF_OPTION_TYPE_BOOL 
	* page-size		    GF_OPTION_TYPE_SIZET (64 * GF_UNIT_KB)-(2 * GF_UNIT_MB)
	* page-count		    GF_OPTION_TYPE_INT   1-16 

performance/write-behind:
	* flush-behind		    GF_OPTION_TYPE_BOOL
	* aggregate-size	    GF_OPTION_TYPE_SIZET  (128 * GF_UNIT_KB)-(4 * GF_UNIT_MB) 
	* window-size		    GF_OPTION_TYPE_SIZET  (512 * GF_UNIT_KB)-(1 * GF_UNIT_GB) 
	* enable-O_SYNC		    GF_OPTION_TYPE_BOOL  
	* disable-for-first-nbytes  GF_OPTION_TYPE_SIZET  1 - (1 * GF_UNIT_MB) 

performance/symlink-cache:

performance/io-threads:
	* thread-count	            GF_OPTION_TYPE_INT    1-32

performance/io-cache:
	* priority	            GF_OPTION_TYPE_ANY 
	* cache-timeout (force-revalidate-timeout) GF_OPTION_TYPE_INT 0-60 
	* page-size	            GF_OPTION_TYPE_SIZET  (16 * GF_UNIT_KB)-(4 * GF_UNIT_MB) 
	* cache-size		    GF_OPTION_TYPE_SIZET  (4 * GF_UNIT_MB)-(6 * GF_UNIT_GB) 

auth:
- addr:
	* auth.addr.*.allow	    GF_OPTION_TYPE_ANY 
	* auth.addr.*.reject	    GF_OPTION_TYPE_ANY 

- login:
	* auth.login.*.allow	    GF_OPTION_TYPE_ANY 
	* auth.login.*.password	    GF_OPTION_TYPE_ANY

scheduler/alu:
	* scheduler.alu.order (alu.order) 
	                            GF_OPTION_TYPE_ANY 
	* scheduler.alu.disk-usage.entry-threshold (alu.disk-usage.entry-threshold)
	  			    GF_OPTION_TYPE_SIZET
        * scheduler.alu.disk-usage.exit-threshold (alu.disk-usage.exit-threshold)
                                    GF_OPTION_TYPE_SIZET
        * scheduler.alu.write-usage.entry-threshold (alu.write-usage.entry-threshold)
                                    GF_OPTION_TYPE_SIZET
        * scheduler.alu.write-usage.exit-threshold (alu.write-usage.exit-threshold)
                                    GF_OPTION_TYPE_SIZET 
        * scheduler.alu.read-usage.entry-threshold (alu.read-usage.entry-threshold)
                                    GF_OPTION_TYPE_SIZET
        * scheduler.alu.read-usage.exit-threshold (alu.read-usage.exit-threshold)
                                    GF_OPTION_TYPE_SIZET 
        * scheduler.alu.open-files-usage.entry-threshold (alu.open-files-usage.entry-threshold)
                                    GF_OPTION_TYPE_INT
        * scheduler.alu.open-files-usage.exit-threshold (alu.open-files-usage.exit-threshold)
                                    GF_OPTION_TYPE_INT 
        * scheduler.read-only-subvolumes (alu.read-only-subvolumes)
                                    GF_OPTION_TYPE_ANY 
        * scheduler.refresh-interval (alu.refresh-interval)
                                    GF_OPTION_TYPE_TIME
        * scheduler.limits.min-free-disk (alu.limits.min-free-disk)
                                    GF_OPTION_TYPE_PERCENT
        * scheduler.alu.stat-refresh.num-file-create (alu.stat-refresh.num-file-create)
                                    GF_OPTION_TYPE_INT

scheduler/nufa:
	* scheduler.refresh-interval (nufa.refresh-interval) 
	                            GF_OPTION_TYPE_TIME
	* scheduler.limits.min-free-disk (nufa.limits.min-free-disk) 
	                            GF_OPTION_TYPE_PERCENT
	* scheduler.local-volume-name (nufa.local-volume-name) 
	                            GF_OPTION_TYPE_XLATOR

scheduler/random:
	* scheduler.refresh-interval (random.refresh-interval) GF_OPTION_TYPE_TIME
	* scheduler.limits.min-free-disk (random.limits.min-free-disk) GF_OPTION_TYPE_PERCENT

scheduler/rr:
	* scheduler.refresh-interval (rr.refresh-interval)  GF_OPTION_TYPE_TIME
	* scheduler.limits.min-free-disk (rr.limits.min-free-disk) GF_OPTION_TYPE_PERCENT
	* scheduler.read-only-subvolumes (rr.read-only-subvolumes) GF_OPTION_TYPE_ANY

scheduler/switch:
	* scheduler.read-only-subvolumes (switch.read-only-subvolumes) GF_OPTION_TYPE_ANY
	* scheduler.local-volume-name (switch.nufa.local-volume-name) GF_OPTION_TYPE_XLATOR
	* scheduler.switch.case (switch.case) GF_OPTION_TYPE_ANY

transport/ib-verbs:
	* transport.ib-verbs.port (ib-verbs-port) GF_OPTION_TYPE_INT 1-4
	                         check the option by 'ibv_devinfo'
        * transport.ib-verbs.mtu (ib-verbs-mtu) GF_OPTION_TYPE_INT
	* transport.ib-verbs.device-name (ib-verbs-device-name) GF_OPTION_TYPE_ANY,
                                 check by 'ibv_devinfo'
        * transport.ib-verbs.work-request-send-size (ib-verbs-work-request-send-size)
	                         GF_OPTION_TYPE_INT,
        * transport.ib-verbs.work-request-recv-size (ib-verbs-work-request-recv-size)
	                         GF_OPTION_TYPE_INT
        * transport.ib-verbs.work-request-send-count (ib-verbs-work-request-send-count)
                                 GF_OPTION_TYPE_INT
        * transport.ib-verbs.work-request-recv-count (ib-verbs-work-request-recv-count)
                                 GF_OPTION_TYPE_INT
        * remote-port (transport.remote-port,transport.ib-verbs.remote-port)
	                         GF_OPTION_TYPE_INT 
        * transport.ib-verbs.listen-port  GF_OPTION_TYPE_INT 
        * transport.ib-verbs.connect-path (connect-path) GF_OPTION_TYPE_ANY 
        * transport.ib-verbs.bind-path (bind-path) GF_OPTION_TYPE_ANY 
        * transport.ib-verbs.listen-path (listen-path) GF_OPTION_TYPE_ANY 
        * transport.address-family (address-family) GF_OPTION_TYPE_STR inet|inet6|inet/inet6|
                                                                       inet6/inet|unix|inet-sdp

transport/socket:
	* transport.remote-port (remote-port,transport.socket.remote-port) GF_OPTION_TYPE_INT 
	* transport.socket.listen-port (listen-port) GF_OPTION_TYPE_INT 
	* transport.socket.bind-address (bind-address) GF_OPTION_TYPE_ANY 
	* transport.socket.connect-path (connect-path) GF_OPTION_TYPE_ANY 
	* transport.socket.bind-path (bind-path)       GF_OPTION_TYPE_ANY 
	* transport.socket.listen-path (listen-path)   GF_OPTION_TYPE_ANY
	* transport.address-family (address-family)    GF_OPTION_TYPE_STR  inet|inet6|
	  			   		       			   inet/inet6|inet6/inet|
									   unix|inet-sdp