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mount2: use consistent inode

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This commit is contained in:
chrislu
2022-02-25 00:53:27 -08:00
parent ceaf993a27
commit be3fc77391
14 changed files with 513 additions and 467 deletions
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18
weed/mount/weedfs_link.go
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@@ -5,14 +5,20 @@ import (
"github.com/chrislusf/seaweedfs/weed/filer"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/hanwen/go-fuse/v2/fuse"
"time"
)
const (
HARD_LINK_MARKER = '\x01'
)
/*
What is an inode?
If the file is an hardlinked file:
use the hardlink id as inode
Otherwise:
use the file path as inode
When creating a link:
use the original file inode
*/
/** Create a hard link to a file */
func (wfs *WFS) Link(cancel <-chan struct{}, in *fuse.LinkIn, name string, out *fuse.EntryOut) (code fuse.Status) {
@@ -38,7 +44,7 @@ func (wfs *WFS) Link(cancel <-chan struct{}, in *fuse.LinkIn, name string, out *
// update old file to hardlink mode
if len(oldEntry.HardLinkId) == 0 {
oldEntry.HardLinkId = append(util.RandomBytes(16), HARD_LINK_MARKER)
oldEntry.HardLinkId = filer.NewHardLinkId()
oldEntry.HardLinkCounter = 1
}
oldEntry.HardLinkCounter++
@@ -91,7 +97,7 @@ func (wfs *WFS) Link(cancel <-chan struct{}, in *fuse.LinkIn, name string, out *
return fuse.EIO
}
inode := wfs.inodeToPath.Lookup(newEntryPath, false, true)
inode := wfs.inodeToPath.Lookup(newEntryPath, oldEntry.FileMode(), false, oldEntry.Attributes.Inode, true)
wfs.outputPbEntry(out, inode, request.Entry)