diff options
Diffstat (limited to 'internal/openfiletable/open_file_table.go')
-rw-r--r-- | internal/openfiletable/open_file_table.go | 31 |
1 files changed, 6 insertions, 25 deletions
diff --git a/internal/openfiletable/open_file_table.go b/internal/openfiletable/open_file_table.go index 4a8ce28..dfd9637 100644 --- a/internal/openfiletable/open_file_table.go +++ b/internal/openfiletable/open_file_table.go @@ -7,28 +7,9 @@ package openfiletable import ( "sync" "sync/atomic" - "syscall" -) - -// QIno = Qualified Inode number. -// Uniquely identifies a backing file through the device number, -// inode number pair. -type QIno struct { - // Stat_t.{Dev,Ino} is uint64 on 32- and 64-bit Linux - Dev uint64 - Ino uint64 -} -// QInoFromStat fills a new QIno struct with the passed Stat_t info. -func QInoFromStat(st *syscall.Stat_t) QIno { - return QIno{ - // There are some architectures that use 32-bit values here - // (darwin, freebsd-32, maybe others). Add and explicit cast to make - // this function work everywhere. - Dev: uint64(st.Dev), - Ino: uint64(st.Ino), - } -} + "github.com/rfjakob/gocryptfs/internal/inomap" +) // wlock - serializes write accesses to each file (identified by inode number) // Writing partial blocks means we have to do read-modify-write cycles. We @@ -38,7 +19,7 @@ func QInoFromStat(st *syscall.Stat_t) QIno { var t table func init() { - t.entries = make(map[QIno]*Entry) + t.entries = make(map[inomap.QIno]*Entry) } type table struct { @@ -52,7 +33,7 @@ type table struct { // Protects map access sync.Mutex // Table entries - entries map[QIno]*Entry + entries map[inomap.QIno]*Entry } // Entry is an entry in the open file table @@ -71,7 +52,7 @@ type Entry struct { // Register creates an open file table entry for "qi" (or incrementes the // reference count if the entry already exists) and returns the entry. -func Register(qi QIno) *Entry { +func Register(qi inomap.QIno) *Entry { t.Lock() defer t.Unlock() @@ -86,7 +67,7 @@ func Register(qi QIno) *Entry { // Unregister decrements the reference count for "qi" and deletes the entry from // the open file table if the reference count reaches 0. -func Unregister(qi QIno) { +func Unregister(qi inomap.QIno) { t.Lock() defer t.Unlock() |