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Jakob Unterwurzacher e8d8ae54d3 fusefrontend: use OpenDirNofollow in openBackingDir 
Rename openBackingPath to openBackingDir and use OpenDirNofollow
to be safe against symlink races. Note that openBackingDir is
not used in several important code paths like Create().

But it is used in Unlink, and the performance impact in the RM benchmark
to be acceptable:

Before

	$ ./benchmark.bash
	Testing gocryptfs at /tmp/benchmark.bash.bYO: gocryptfs v1.6-12-g930c37e-dirty; go-fuse v20170619-49-gb11e293; 2018-09-08 go1.10.3
	WRITE: 262144000 bytes (262 MB, 250 MiB) copied, 1.07979 s, 243 MB/s
	READ:  262144000 bytes (262 MB, 250 MiB) copied, 0.882413 s, 297 MB/s
	UNTAR: 16.703
	MD5:   7.606
	LS:    1.349
	RM:    3.237

After

	$ ./benchmark.bash
	Testing gocryptfs at /tmp/benchmark.bash.jK3: gocryptfs v1.6-13-g84d6faf-dirty; go-fuse v20170619-49-gb11e293; 2018-09-08 go1.10.3
	WRITE: 262144000 bytes (262 MB, 250 MiB) copied, 1.06261 s, 247 MB/s
	READ:  262144000 bytes (262 MB, 250 MiB) copied, 0.947228 s, 277 MB/s
	UNTAR: 17.197
	MD5:   7.540
	LS:    1.364
	RM:    3.410
 		2018-09-08 19:27:33 +02:00
..
configfile configfile: add LoadAndDecrypt wrapper 2018-09-08 12:40:29 +02:00
contentenc contentenc: reserve one extra block in pool plaintext buffers 2018-07-15 11:39:19 +02:00
cryptocore tlog: stop embedding log.Logger to prevent mistakes 2018-02-28 09:02:18 +01:00
ctlsock fsck: clean up log output 2018-04-02 18:32:30 +02:00
exitcodes reverse mode: add --exclude option 2018-08-11 23:26:49 +02:00
fusefrontend fusefrontend: use OpenDirNofollow in openBackingDir 2018-09-08 19:27:33 +02:00
fusefrontend_reverse syscallcompat: use O_PATH in OpenDirNofollow 2018-09-08 18:06:33 +02:00
nametransform fusefrontend: doWrite: delete file header if first write fails 2018-07-15 15:12:55 +02:00
openfiletable fusefronted: disallow writes running concurrently with reads 2018-07-22 22:29:22 +02:00
pathiv pathiv: fix test failure on Go 1.6 2017-05-31 08:21:36 +02:00
prefer_openssl prefer_openssl: default to Go GCM on OSX 2016-12-10 21:04:17 +01:00
readpassword trezor: show support in version string 2018-08-15 23:31:37 +02:00
serialize_reads fix golint complaints 2017-04-29 14:50:58 +02:00
siv_aead siv_aead: create private key copy and implement wiping 2018-02-18 16:01:46 +01:00
speed fix golint complaints 2017-04-29 14:50:58 +02:00
stupidgcm stupidgcm: return error on too short input instead of panicing 2018-05-10 23:00:02 +02:00
syscallcompat syscallcompat: use O_PATH in OpenDirNofollow 2018-09-08 18:06:33 +02:00
tlog Only print masterkey once on -init 2018-07-01 20:56:22 +02:00