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2020-08-01v2api: move helpers from node.go to node_helpers.goJakob Unterwurzacher
2020-07-26v2api: fix missing size translation in LookupJakob Unterwurzacher
2020-07-26v2api: delete (most) fusefrontend v1 filesJakob Unterwurzacher
All the functionality in these files has been reimplemented for the v2 api. Drop the old files.
2020-07-23v2api: implement LseekJakob Unterwurzacher
This also fixes the last remaining tests/fsck failure.
2020-07-19v2api: Lookup: use newChild() helperJakob Unterwurzacher
2020-07-18v2api: Node: make Path() publicJakob Unterwurzacher
Helpful for fsck.
2020-07-17v2api: implement ctlsocksrv.InterfaceJakob Unterwurzacher
2020-07-14v2api: implement Getxattr, Setxattr, Removexattr, ListxattrJakob Unterwurzacher
gocryptfs/tests/xattr passes.
2020-07-12v2api: Setattr: fill `out` structureJakob Unterwurzacher
2020-07-12v2api: fix MkfifoJakob Unterwurzacher
2020-07-12v2api: properly implement Node.SetattrJakob Unterwurzacher
We used to always open a *File2 and letting the *File2 handle Setattr. This does not work it we cannot open the file! Before: $ go test 2020/07/12 20:14:57 writer: Write/Writev failed, err: 2=no such file or directory. opcode: INTERRUPT 2020/07/12 20:14:57 writer: Write/Writev failed, err: 2=no such file or directory. opcode: INTERRUPT --- FAIL: TestLchown (0.00s) matrix_test.go:634: lchown /tmp/gocryptfs-test-parent-1026/014500839/default-plain/symlink: too many levels of symbolic links touch: setting times of '/tmp/gocryptfs-test-parent-1026/014500839/default-plain/utimesnano_symlink': Too many levels of symbolic links --- FAIL: TestUtimesNanoSymlink (0.00s) matrix_test.go:655: exit status 1 --- FAIL: TestMkfifo (0.00s) matrix_test.go:755: file exists --- FAIL: TestMagicNames (0.00s) matrix_test.go:773: Testing n="gocryptfs.longname.QhUr5d9FHerwEs--muUs6_80cy6JRp89c1otLwp92Cs" matrix_test.go:773: Testing n="gocryptfs.diriv" matrix_test.go:815: open /tmp/gocryptfs-test-parent-1026/014500839/default-plain/linktarget: permission denied --- FAIL: TestChmod (0.00s) matrix_test.go:840: chmod 444 -> 000 failed: permission denied matrix_test.go:840: chmod 444 -> 111 failed: permission denied matrix_test.go:840: chmod 444 -> 123 failed: permission denied matrix_test.go:840: chmod 444 -> 321 failed: permission denied FAIL exit status 1 FAIL github.com/rfjakob/gocryptfs/tests/matrix 0.790s After: $ go test --- FAIL: TestMkfifo (0.00s) matrix_test.go:755: file exists --- FAIL: TestMagicNames (0.00s) matrix_test.go:773: Testing n="gocryptfs.longname.QhUr5d9FHerwEs--muUs6_80cy6JRp89c1otLwp92Cs" matrix_test.go:773: Testing n="gocryptfs.diriv" matrix_test.go:815: open /tmp/gocryptfs-test-parent-1026/501766059/default-plain/linktarget: permission denied --- FAIL: TestChmod (0.00s) matrix_test.go:849: modeHave 0644 != modeWant 0 FAIL exit status 1 FAIL github.com/rfjakob/gocryptfs/tests/matrix 0.787s
2020-07-12v2api: Getattr: use file handle if passedJakob Unterwurzacher
2020-07-12v2api: Getattr: fix file sizeJakob Unterwurzacher
2020-07-12v2api: call InitSerializerJakob Unterwurzacher
If we don't, reads hang with -serialize_reads.
2020-07-12v2api: fix Rename trying to overwrite itselfJakob Unterwurzacher
We used to do this [pid 99182] renameat2(14, "Y_4DAxKvj1QnXmJx2AkrKA", 15, ".", RENAME_NOREPLACE <unfinished ...> which was not the intention.
2020-07-12v2api: fix Mkdir crash when using plaintextnamesJakob Unterwurzacher
2020-07-12v2api: fix double-lock in truncateJakob Unterwurzacher
2020-07-12v2api: File2: implement Release, Read, Write, Fsync, Flush, AllocateJakob Unterwurzacher
Fortunately, this just means fixing up the function signatures.
2020-07-11v2api: fix RootNode castJakob Unterwurzacher
2020-07-11v2api: fix TestOpenBackingDirJakob Unterwurzacher
2020-07-11v2api: implement RenameJakob Unterwurzacher
2020-07-11v2api: remove OpenatUserCtx, MknodatUserCtx helpersJakob Unterwurzacher
Instead, use the new toFuseCtx() function introduced in an earlier commit.
2020-07-11v2api: implement SymlinkJakob Unterwurzacher
2020-07-11v2api: implement LinkJakob Unterwurzacher
2020-07-11v2api: implement MknodJakob Unterwurzacher
2020-07-11v2api: implement StatfsJakob Unterwurzacher
2020-07-05v2api: list interfaces to be implementedJakob Unterwurzacher
2020-07-05v2api: implement SetattrJakob Unterwurzacher
2020-07-05v2api: implement OpendirJakob Unterwurzacher
2020-07-04v2api: merge openBackingDir into root_node.goJakob Unterwurzacher
2020-07-04v2api: implement Open()Jakob Unterwurzacher
2020-07-04v2api: add prepareAtSyscall helperJakob Unterwurzacher
2020-07-04v2api: implement ReadlinkJakob Unterwurzacher
2020-06-21v2api: implement UnlinkJakob Unterwurzacher
2020-06-21v2api: implement RmdirJakob Unterwurzacher
2020-06-21v2api: implement MkdirJakob Unterwurzacher
2020-06-21v2api: implement CreateJakob Unterwurzacher
2020-06-21v2api: collect RootNode code in root_node.goJakob Unterwurzacher
2020-06-21v2api: implement GetAttr and ReaddirJakob Unterwurzacher
2020-06-21v2api: implement Lookup()Jakob Unterwurzacher
Compiles, but untested otherwise. No caching.
2020-06-21v2api (go-fuse v2 api): initial noop implementationJakob Unterwurzacher
Compiles and mounts but does nothing useful.
2020-05-24Revert "fusefrontend: don't always clear the dircache in Rename"Jakob Unterwurzacher
As noticed by @slackner in https://github.com/rfjakob/gocryptfs/commit/cb8872577d66ff0fc38bcd70493be06bc0f34ffa#commitcomment-39405233 , this is not safe. This reverts commit cb8872577d66ff0fc38bcd70493be06bc0f34ffa.
2020-05-24fusefrontend: don't always clear the dircache in RenameJakob Unterwurzacher
When filename encryption is on, we do know when we overwrite a directory, and can clear only in this case. sshfs-benchmark.bash: sshfs gocryptfs-on-sshfs git init 1.74 7.80 rsync 6.19 11.63
2020-05-24fusefrontend: don't clear dircache on MkdirJakob Unterwurzacher
Mkdir can not cause existing entries in the cache to go stale. So don't clear it. Benchmark results: sshfs-benchmark.bash: sshfs gocryptfs-on-sshfs git init 1.65 8.74 rsync 6.09 17.54
2020-05-17dircache: increase cache size & lifetimeJakob Unterwurzacher
Looking at the dircache debug output, we see that a "git status" workload has a very bad cache hit rate because the entries expire or get evicted before they can be reused. Increase both cache size and lifetime for a 4x speedup: Before: 75s After: 17s https://github.com/rfjakob/gocryptfs/issues/410
2020-05-17dircache: improve debug messagesJakob Unterwurzacher
Before: Lookup "errno.html/1/2/3/4/5": miss Store: "errno.html/1/2/3/4/5" fd=26 iv=21be6e083d60dcabfe7368264d5082b7 Lookup "errno.html": hit 25 6d68a16d217978915036a3bd55428ae7 Lookup "errno.html/1": hit 25 932a464c299b3430c5e55c924f98ac4d Lookup "errno.html/1/2": hit 25 7d53348b1692d537f017bf86b3cf5feb Lookup "errno.html/1/2/3": hit 25 2aef1c9d1ab2b55b163215053fefe703 Lookup "errno.html/1/2/3/4": hit 25 cb802be53721c46a46247c5e4e0f4ce6 Lookup "errno.html/1/2/3/4": hit 25 cb802be53721c46a46247c5e4e0f4ce6 Lookup "errno.html": hit 25 6d68a16d217978915036a3bd55428ae7 After: Lookup "earlyoom/.git/refs" hit fd=10 dup=17 iv=6ae2cecd269a25e8d946aff6afe9b8b8 Lookup "earlyoom/.git/refs/remotes" hit fd=19 dup=17 iv=f04c2d2a5bcc33ebdeaca664859c980d Lookup "earlyoom/.git/refs/remotes/origin" miss Store "earlyoom/.git/refs/remotes/origin" fd=17 iv=834a64a1697c9f5705455ba6dbed22b5 Lookup "earlyoom" hit fd=7 dup=25 iv=2303a892d6e2357c483574a8070b7679 Lookup "earlyoom/.git" hit fd=11 dup=25 iv=d43ca4aff23720c57789c9f62f0aee00 Lookup "earlyoom/.git" hit fd=11 dup=25 iv=d43ca4aff23720c57789c9f62f0aee00 Lookup "earlyoom/.git/refs" hit fd=10 dup=25 iv=6ae2cecd269a25e8d946aff6afe9b8b8 Lookup "earlyoom/.git/refs/heads" hit fd=13 dup=25 iv=f9245e7c066b9adc768a1a666da9fbc8
2020-05-17Update go-fuse import path to github.com/hanwen/go-fuse/v2Jakob Unterwurzacher
We need https://github.com/hanwen/go-fuse/commit/fd7328faf9fdf75709f7ba7df7072aaf4eeb18b3 to fix a crash reported in https://github.com/rfjakob/gocryptfs/issues/430 : 2019/10/30 17:14:16 Unknown opcode 2016 panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x508d38] This patch is only in the v2.x.x branch. Upgrade to v2, as the old API is also supported there. Running git grep hanwen/go-fuse | grep -v hanwen/go-fuse/v2 to check for forgotten references comes back clean.
2020-05-09ctlsock: create exported ctlsock client libraryJakob Unterwurzacher
The former interal ctlsock server package is renamed to ctlsocksrv.
2020-04-19inomap: rework logic to efficiently support flagsJakob Unterwurzacher
Adding flags allows to use inomap in reverse mode, replacing the clunky inoBaseDirIV/inoBaseNameFile logic that causes problems with high underlying inode numbers ( https://github.com/rfjakob/gocryptfs/issues/457 ) Microbenchmarks (values below) show that the "SingleDev" case is now much slower due to an extra map lookup, but this has no visible effects in ./test.bash results, so there was no time spent optimizing the case further. $ go test -bench=. goos: linux goarch: amd64 pkg: github.com/rfjakob/gocryptfs/internal/inomap BenchmarkTranslateSingleDev-4 18757510 61.5 ns/op BenchmarkTranslateManyDevs-4 18061515 64.5 ns/op PASS ok github.com/rfjakob/gocryptfs/internal/inomap 2.467s
2020-04-13inomap: split into separate packageJakob Unterwurzacher
inomap will also be used by fusefrontend_reverse in the future. Split if off openfiletable to make it independent.
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