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authorJakob Unterwurzacher2021-06-25 11:33:18 +0200
committerJakob Unterwurzacher2021-06-25 13:56:53 +0200
commit84e702126ac4f017e12150532bfaed675dee2927 (patch)
treef2062bd585cb10bba1c7fa2204e1829b0d08bb64 /internal/fusefrontend/node_xattr_darwin.go
parent05b813f2026ebe6bff33cb600775823ee8a7df6e (diff)
fusefrontend: implement recursive diriv caching
The new contrib/maxlen.bash showed that we have exponential runtime with respect to directory depth. The new recursive diriv caching is a lot smarter as it caches intermediate lookups. maxlen.bash now completes in a few seconds. xfstests results same as https://github.com/rfjakob/fuse-xfstests/blob/2d158e4c82be85c15269af77498e353f928f4fab/screenlog.0 : Failures: generic/035 generic/062 generic/080 generic/093 generic/099 generic/215 generic/285 generic/319 generic/426 generic/444 generic/467 generic/477 generic/523 Failed 13 of 580 tests benchmark.bash results are identical: $ ./benchmark.bash Testing gocryptfs at /tmp/benchmark.bash.BdQ: gocryptfs v2.0.1-17-g6b09bc0; go-fuse v2.1.1-0.20210611132105-24a1dfe6b4f8; 2021-06-25 go1.16.5 linux/amd64 /tmp/benchmark.bash.BdQ.mnt is a mountpoint WRITE: 262144000 bytes (262 MB, 250 MiB) copied, 0,4821 s, 544 MB/s READ: 262144000 bytes (262 MB, 250 MiB) copied, 0,266061 s, 985 MB/s UNTAR: 8,280 MD5: 4,564 LS: 1,745 RM: 2,244
Diffstat (limited to 'internal/fusefrontend/node_xattr_darwin.go')
-rw-r--r--internal/fusefrontend/node_xattr_darwin.go8
1 files changed, 4 insertions, 4 deletions
diff --git a/internal/fusefrontend/node_xattr_darwin.go b/internal/fusefrontend/node_xattr_darwin.go
index 0f61a5d..31ba653 100644
--- a/internal/fusefrontend/node_xattr_darwin.go
+++ b/internal/fusefrontend/node_xattr_darwin.go
@@ -20,7 +20,7 @@ func filterXattrSetFlags(flags int) int {
}
func (n *Node) getXAttr(cAttr string) (out []byte, errno syscall.Errno) {
- dirfd, cName, errno := n.prepareAtSyscall("")
+ dirfd, cName, errno := n.prepareAtSyscallMyself()
if errno != 0 {
return
}
@@ -42,7 +42,7 @@ func (n *Node) getXAttr(cAttr string) (out []byte, errno syscall.Errno) {
}
func (n *Node) setXAttr(context *fuse.Context, cAttr string, cData []byte, flags uint32) (errno syscall.Errno) {
- dirfd, cName, errno := n.prepareAtSyscall("")
+ dirfd, cName, errno := n.prepareAtSyscallMyself()
if errno != 0 {
return
}
@@ -64,7 +64,7 @@ func (n *Node) setXAttr(context *fuse.Context, cAttr string, cData []byte, flags
}
func (n *Node) removeXAttr(cAttr string) (errno syscall.Errno) {
- dirfd, cName, errno := n.prepareAtSyscall("")
+ dirfd, cName, errno := n.prepareAtSyscallMyself()
if errno != 0 {
return
}
@@ -86,7 +86,7 @@ func (n *Node) removeXAttr(cAttr string) (errno syscall.Errno) {
}
func (n *Node) listXAttr() (out []string, errno syscall.Errno) {
- dirfd, cName, errno := n.prepareAtSyscall("")
+ dirfd, cName, errno := n.prepareAtSyscallMyself()
if errno != 0 {
return
}