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mount: add --no-seek flag to disable seeking

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This commit is contained in:
Nick Craig-Wood 2016-10-06 13:37:45 +01:00
parent e94850f322
commit f45b3c87bf
2 changed files with 5 additions and 0 deletions
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3
cmd/mount/file.go
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@ -114,6 +114,9 @@ func (f *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenR
switch { switch {
case req.Flags.IsReadOnly(): case req.Flags.IsReadOnly():
if noSeek {
resp.Flags |= fuse.OpenNonSeekable
}
return newReadFileHandle(o) return newReadFileHandle(o)
case req.Flags.IsWriteOnly(): case req.Flags.IsWriteOnly():
resp.Flags |= fuse.OpenNonSeekable resp.Flags |= fuse.OpenNonSeekable

2
cmd/mount/mount.go
View File

@ -20,6 +20,7 @@ import (
var ( var (
noModTime = false noModTime = false
debugFUSE = false debugFUSE = false
noSeek = false
// mount options // mount options
readOnly = false readOnly = false
allowNonEmpty = false allowNonEmpty = false
@ -43,6 +44,7 @@ func init() {
cmd.Root.AddCommand(mountCmd) cmd.Root.AddCommand(mountCmd)
mountCmd.Flags().BoolVarP(&noModTime, "no-modtime", "", noModTime, "Don't read the modification time (can speed things up).") mountCmd.Flags().BoolVarP(&noModTime, "no-modtime", "", noModTime, "Don't read the modification time (can speed things up).")
mountCmd.Flags().BoolVarP(&debugFUSE, "debug-fuse", "", debugFUSE, "Debug the FUSE internals - needs -v.") mountCmd.Flags().BoolVarP(&debugFUSE, "debug-fuse", "", debugFUSE, "Debug the FUSE internals - needs -v.")
mountCmd.Flags().BoolVarP(&noSeek, "no-seek", "", noSeek, "Don't allow seeking in files.")
// mount options // mount options
mountCmd.Flags().BoolVarP(&readOnly, "read-only", "", readOnly, "Mount read-only.") mountCmd.Flags().BoolVarP(&readOnly, "read-only", "", readOnly, "Mount read-only.")
mountCmd.Flags().BoolVarP(&allowNonEmpty, "allow-non-empty", "", allowNonEmpty, "Allow mounting over a non-empty directory.") mountCmd.Flags().BoolVarP(&allowNonEmpty, "allow-non-empty", "", allowNonEmpty, "Allow mounting over a non-empty directory.")