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Jakob Unterwurzacher 024511d9c7 fusefrontend: coalesce 4kB writes 
This improves performance on hdds running ext4, and improves
streaming write performance on hdds running btrfs. Tar extract
slows down on btrfs for some reason.

See https://github.com/rfjakob/gocryptfs/issues/63

Benchmarks:

encfs v1.9.1
============

$ ./benchmark.bash -encfs /mnt/hdd-ext4
Testing EncFS at /mnt/hdd-ext4/benchmark.bash.u0g
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 1,48354 s, 88,4 MB/s
UNTAR: 20.79
LS:    3.04
RM:    6.62

$ ./benchmark.bash -encfs /mnt/hdd-btrfs
Testing EncFS at /mnt/hdd-btrfs/benchmark.bash.h40
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 1,52552 s, 85,9 MB/s
UNTAR: 24.51
LS:    2.73
RM:    5.32

gocryptfs v1.1.1-26-g4a7f8ef
============================

$ ./benchmark.bash /mnt/hdd-ext4
Testing gocryptfs at /mnt/hdd-ext4/benchmark.bash.1KG
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 1,55782 s, 84,1 MB/s
UNTAR: 22.23
LS:    1.47
RM:    4.17

$ ./benchmark.bash /mnt/hdd-btrfs
Testing gocryptfs at /mnt/hdd-btrfs/benchmark.bash.2t8
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 6,87206 s, 19,1 MB/s
UNTAR: 69.87
LS:    1.52
RM:    5.33

gocryptfs v1.1.1-32
===================

$ ./benchmark.bash /mnt/hdd-ext4
Testing gocryptfs at /mnt/hdd-ext4/benchmark.bash.Qt3
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 1,22577 s, 107 MB/s
UNTAR: 23.46
LS:    1.46
RM:    4.67

$ ./benchmark.bash /mnt/hdd-btrfs/
Testing gocryptfs at /mnt/hdd-btrfs//benchmark.bash.XVk
WRITE: 131072000 bytes (131 MB, 125 MiB) copied, 3,68735 s, 35,5 MB/s
UNTAR: 116.87
LS:    1.84
RM:    6.34
 		2016-11-25 09:03:32 +01:00
..
configfile Add support for unpadded base64 filenames, "-raw64" 2016-11-01 18:43:22 +01:00
contentenc fusefrontend: I/O error instead of panic on all-zero nonce 2016-10-28 21:18:36 +02:00
cryptocore Fix misspellings 2016-10-24 19:18:13 +02:00
ctlsock ctlsock: add initial limited implementation 2016-11-10 00:27:08 +01:00
fusefrontend fusefrontend: coalesce 4kB writes 2016-11-25 09:03:32 +01:00
fusefrontend_reverse fusefrontend: upgrade wlockMap to use device AND inode number 2016-11-17 20:32:19 +01:00
nametransform Fix golint warnings 2016-11-10 00:38:01 +01:00
prefer_openssl lint fixes 2016-10-04 23:18:33 +02:00
readpassword readpassword: check extpass return code 2016-10-16 16:44:27 +02:00
siv_aead lint fixes 2016-10-04 23:18:33 +02:00
stupidgcm A few more lint fixes 2016-10-04 23:30:05 +02:00
syscallcompat A few more lint fixes 2016-10-04 23:30:05 +02:00
tlog A few more lint fixes 2016-10-04 23:30:05 +02:00