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2021-05-08fusefrontend: reject broken RENAME_EXCHANGE and RENAME_WHITEOUTJakob Unterwurzacher
Discovered by xfstests generic/013: or implementation for RENAME_EXCHANGE and RENAME_WHITEOUT is incomplete. Reject the flags so that the caller retries with regular rename.
2021-04-07fusefrontend: make dirCache work for "node itself"Jakob Unterwurzacher
"node itself" can be converted to node + child by ascending one level. Performance gains are spectacular, as will be seen in the next commit.
2021-04-05fusefrontend: print dirCache stats after unmountJakob Unterwurzacher
2021-04-04fs: more idiomatic dirCache struct namingJakob Unterwurzacher
2021-04-03fs: add initial dirfd cachingJakob Unterwurzacher
dirfd caching was temporarily removed when moving to the v2api. Add it back to gain back some lost speed.
2021-04-03tests: fusefronted: fix TestOpenBackingDirJakob Unterwurzacher
This test only worked accidentially, and would break once dirfd caching is added. fs.Mkdir(..., "dir1/dir2", ...) is illegal (child name cannot contain slashes).
2021-04-03fusefronted: replace last rn.openBackingDir() callsJakob Unterwurzacher
Use the n.prepareAtSyscall() wrapper instead. Prepares for adding caching into n.prepareAtSyscall().
2021-03-21fusefronted: move Create() and Open() to new fileJakob Unterwurzacher
And deduplicate the code a little.
2021-03-21fusefrontend: -sharedstorage: fix TestRmwRace failureJakob Unterwurzacher
The Open() and Create() paths used different inode numbers, which broke openfiletable locking against concurred readers.
2021-03-07v2api: -sharestorage: disable hard link tracking & add testsJakob Unterwurzacher
Hard link tracking was not correctly disabled since the migration to the go-fuse v2 api. Add a test to ensure it stays off. Fixes https://github.com/rfjakob/gocryptfs/issues/525
2021-02-07fusefrontend: do not encrypt ACLsJakob Unterwurzacher
Pass through system.posix_acl_access and system.posix_acl_default unencrypted to fix "cp -a" problems. "cp -a" uses "setxattr" even to set normal permissions, see https://www.spinics.net/lists/linux-nfs/msg63986.html . Fixes https://github.com/rfjakob/gocryptfs/issues/543
2021-01-10nametransform: make `gocryptfs.diriv` and `gocryptfs.xxx.name` files ↵Jakob Unterwurzacher
world-readable Make `gocryptfs.diriv` and `gocryptfs.xxx.name` files world-readable to make encrypted backups easier when mounting via fstab. Having the files follow chmod/chown of their parent does not seem to be worth the hassle. The content of the diriv files is not secret, and both diriv and name files are protected by the perms of the parent dir. Fixes https://github.com/rfjakob/gocryptfs/issues/539
2020-12-20main: add "-kernel_cache" flaggmd20
This option is similar to fuse(8) kernel_cache Verified using vmtouch. Without -kernel_cache: $ dd if=/dev/zero of=foo bs=1M count=10 ; vmtouch -t foo ; vmtouch foo 10+0 records in 10+0 records out 10485760 bytes (10 MB, 10 MiB) copied, 0,0242321 s, 433 MB/s Files: 1 Directories: 0 Touched Pages: 2560 (10M) Elapsed: 0.011159 seconds Files: 1 Directories: 0 Resident Pages: 0/2560 0/10M 0% Elapsed: 0.000993 seconds With -kernel_cache: $ dd if=/dev/zero of=foo bs=1M count=10 ; vmtouch -t foo ; vmtouch foo 10+0 records in 10+0 records out 10485760 bytes (10 MB, 10 MiB) copied, 0,0244015 s, 430 MB/s Files: 1 Directories: 0 Touched Pages: 2560 (10M) Elapsed: 0.011564 seconds Files: 1 Directories: 0 Resident Pages: 2560/2560 10M/10M 100% Elapsed: 0.000369 seconds
2020-10-18fusefronted: reject GETXATTR "security.capability"Jakob Unterwurzacher
Unless we are mounted with -suid, we can reject these requests, and gain back some lost speed. Closes https://github.com/rfjakob/gocryptfs/issues/515
2020-10-14syscallcompat: don't retry Close()Jakob Unterwurzacher
After Close() returns, the fd is dead, even if we received EINTR. Don't retry, we could shoot down an unrelated fd that received the same fd number.
2020-10-14syscallcompat: retry ops on EINTRJakob Unterwurzacher
Retry operations that have been shown to throw EINTR errors on CIFS. Todo: Solution for this pain in the back: warning: unix.Getdents returned errno 2 in the middle of data rm: cannot remove 'linux-3.0.old3/Documentation/ABI/removed': Input/output error Progress towards fixing https://github.com/rfjakob/gocryptfs/issues/483 .
2020-09-09v2api: add Darwin xattr supportJakob Unterwurzacher
2020-08-16v2api/reverse: implement LseekJakob Unterwurzacher
2020-08-16v2api: clean up api TODOsJakob Unterwurzacher
2020-08-16v2api: rename "File2" to just "File"Jakob Unterwurzacher
Rename the symbols and the files.
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
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