57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
/*
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Small tool to try to debug unix.Getdents problems on CIFS mounts
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( https://github.com/rfjakob/gocryptfs/v2/issues/483 )
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Example output:
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$ while sleep 1 ; do ./readdirnames /mnt/synology/public/tmp/g1 ; done
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=868, err=readdirent: no such file or directory
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=1001, err=<nil>
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2020/05/24 23:50:39 os.Open returned err=open /mnt/synology/public/tmp/g1: interrupted system call
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Readdirnames: len=1001, err=<nil>
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Readdirnames: len=1001, err=<nil>
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*/
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package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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)
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const (
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myName = "readdirnames"
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)
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func main() {
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flag.Usage = func() {
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fmt.Fprintf(os.Stderr, "Usage: %s PATH\n", myName)
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fmt.Fprintf(os.Stderr, "Run os.File.Readdirnames on PATH\n")
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os.Exit(1)
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}
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flag.Parse()
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if flag.NArg() != 1 {
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flag.Usage()
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}
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path := flag.Arg(0)
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f, err := os.Open(path)
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if err != nil {
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log.Fatalf("os.Open returned err=%v", err)
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}
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names, err := f.Readdirnames(0)
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fmt.Printf("Readdirnames: len=%d, err=%v\n", len(names), err)
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}
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