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mount: fix automount not detecting drive is ready

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With automount the target mount drive appears twice in /proc/self/mountinfo.

    379 27 0:70 / /mnt/rclone rw,relatime shared:433 - autofs systemd-1 rw,fd=57,...
    566 379 0:90 / /mnt/rclone rw,nosuid,nodev,relatime shared:488 - fuse.rclone remote: rw,...

Before this fix we only looked for the mount once in
/proc/self/mountinfo. It finds the automount line and since this
doesn't have fs type rclone it concludes the mount isn't ready yet.

This patch makes rclone look through all the mounts and if any of them
have fs type rclone it concludes the mount is ready.

See: https://forum.rclone.org/t/systemd-mount-works-but-automount-does-not/42287/
This commit is contained in:
Nick Craig-Wood 2023-10-13 17:29:16 +01:00
parent c7a2719fac
commit 29baa5888f
1 changed files with 10 additions and 1 deletions
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11
cmd/mountlib/check_linux.go
View File

@ -47,6 +47,15 @@ func CheckMountEmpty(mountpoint string) error {
return checkMountEmpty(mountpoint)
}
// singleEntryFilter looks for a specific entry.
//
// It may appear more than once and we return all of them if so.
func singleEntryFilter(mp string) mountinfo.FilterFunc {
return func(m *mountinfo.Info) (skip, stop bool) {
return m.Mountpoint != mp, false
}
}
// CheckMountReady checks whether mountpoint is mounted by rclone.
// Only mounts with type "rclone" or "fuse.rclone" count.
func CheckMountReady(mountpoint string) error {
@ -57,7 +66,7 @@ func CheckMountReady(mountpoint string) error {
return fmt.Errorf("cannot get absolute path: %s: %w", mountpoint, err)
}
infos, err := mountinfo.GetMounts(mountinfo.SingleEntryFilter(mountpointAbs))
infos, err := mountinfo.GetMounts(singleEntryFilter(mountpointAbs))
if err != nil {
return fmt.Errorf("cannot get mounts: %w", err)
}