mount: quota for one mounted collection

related to https://github.com/seaweedfs/seaweedfs-csi-driver/issues/48

weed/command/mount.go

@@ -11,6 +11,7 @@ type MountOptions struct {
 	dir                *string
 	dirAutoCreate      *bool
 	collection         *string
+	collectionQuota    *int
 	replication        *string
 	diskType           *string
 	ttlSec             *int
@@ -44,6 +45,7 @@ func init() {
 	mountOptions.dir = cmdMount.Flag.String("dir", ".", "mount weed filer to this directory")
 	mountOptions.dirAutoCreate = cmdMount.Flag.Bool("dirAutoCreate", false, "auto create the directory to mount to")
 	mountOptions.collection = cmdMount.Flag.String("collection", "", "collection to create the files")
+	mountOptions.collectionQuota = cmdMount.Flag.Int("collectionQuotaMB", 0, "quota for the collection")
 	mountOptions.replication = cmdMount.Flag.String("replication", "", "replication(e.g. 000, 001) to create to files. If empty, let filer decide.")
 	mountOptions.diskType = cmdMount.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
 	mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")

weed/command/mount_std.go

@@ -209,6 +209,7 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 		CacheDir:           *option.cacheDir,
 		CacheSizeMB:        *option.cacheSizeMB,
 		DataCenter:         *option.dataCenter,
+		Quota:              int64(*option.collectionQuota) * 1024 * 1024,
 		MountUid:           uid,
 		MountGid:           gid,
 		MountMode:          mountMode,