diff options
author | Jakob Unterwurzacher | 2020-05-24 23:46:41 +0200 |
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committer | Jakob Unterwurzacher | 2020-05-24 23:46:41 +0200 |
commit | 6019598fdb9d223beec7da5848cf950ca90e85e7 (patch) | |
tree | bf2a6ee2241b4dd1b5331d0514cafd455d9a1b4a /contrib/getdents/getdents.go | |
parent | 71c0481f0e42c6bf1749dde8a30d9a6b728e83a0 (diff) |
contrib: collect getdents stuff in getdents-debug folder
Diffstat (limited to 'contrib/getdents/getdents.go')
-rw-r--r-- | contrib/getdents/getdents.go | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/contrib/getdents/getdents.go b/contrib/getdents/getdents.go deleted file mode 100644 index a70692a..0000000 --- a/contrib/getdents/getdents.go +++ /dev/null @@ -1,75 +0,0 @@ -/* -Small tool to try to debug unix.Getdents problems on CIFS mounts -( https://github.com/rfjakob/gocryptfs/issues/483 ) - -Example output: - -$ while sleep 1 ; do ./getdents /mnt/synology/public/tmp/g1 ; done -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=3192, err=<nil> -unix.Getdents fd3: n=0, err=<nil> -total 24072 bytes -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=-1, err=no such file or directory -total 16704 bytes -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=4176, err=<nil> -unix.Getdents fd3: n=3192, err=<nil> -unix.Getdents fd3: n=0, err=<nil> -total 24072 bytes -*/ - -package main - -import ( - "flag" - "fmt" - "log" - "os" - - "golang.org/x/sys/unix" -) - -const ( - myName = "getdents" -) - -func main() { - flag.Usage = func() { - fmt.Fprintf(os.Stderr, "Usage: %s PATH\n", myName) - fmt.Fprintf(os.Stderr, "Run getdents(2) on PATH\n") - os.Exit(1) - } - flag.Parse() - if flag.NArg() != 1 { - flag.Usage() - } - path := flag.Arg(0) - - fd, err := unix.Open(path, unix.O_RDONLY, 0) - if err != nil { - log.Fatalf("unix.Open returned err=%v", err) - } - - tmp := make([]byte, 10000) - sum := 0 - for { - n, err := unix.Getdents(fd, tmp) - fmt.Printf("unix.Getdents fd%d: n=%d, err=%v\n", fd, n, err) - if n <= 0 { - fmt.Printf("total %d bytes\n", sum) - break - } - sum += n - } -} |