mount metacache add ttl (#6360)

* fix:mount deadlock

* fix

* feat: metaCache ttl

* Update weed/command/mount.go

Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>

* fix InodeEntry

---------

Co-authored-by: zemul <zhouzemiao@ihuman.com>
Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>

weed/command/mount.go

@@ -17,6 +17,7 @@ type MountOptions struct {
 	ttlSec             *int
 	chunkSizeLimitMB   *int
 	concurrentWriters  *int
+	cacheMetaTtlSec    *int
 	cacheDirForRead    *string
 	cacheDirForWrite   *string
 	cacheSizeMBForRead *int64
@@ -58,6 +59,7 @@ func init() {
 	mountOptions.cacheDirForRead = cmdMount.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks and meta data")
 	mountOptions.cacheSizeMBForRead = cmdMount.Flag.Int64("cacheCapacityMB", 128, "file chunk read cache capacity in MB")
 	mountOptions.cacheDirForWrite = cmdMount.Flag.String("cacheDirWrite", "", "buffer writes mostly for large files")
+	mountOptions.cacheMetaTtlSec = cmdMount.Flag.Int("cacheMetaTtlSec", 60, "metadata cache validity seconds")
 	mountOptions.dataCenter = cmdMount.Flag.String("dataCenter", "", "prefer to write to the data center")
 	mountOptions.allowOthers = cmdMount.Flag.Bool("allowOthers", true, "allows other users to access the file system")
 	mountOptions.umaskString = cmdMount.Flag.String("umask", "022", "octal umask, e.g., 022, 0111")

weed/command/mount_std.go

@@ -236,6 +236,7 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 		CacheDirForRead:    *option.cacheDirForRead,
 		CacheSizeMBForRead: *option.cacheSizeMBForRead,
 		CacheDirForWrite:   cacheDirForWrite,
+		CacheMetaTTlSec:    *option.cacheMetaTtlSec,
 		DataCenter:         *option.dataCenter,
 		Quota:              int64(*option.collectionQuota) * 1024 * 1024,
 		MountUid:           uid,