diff options
author | gVisor bot <gvisor-bot@google.com> | 2020-04-21 19:20:51 +0000 |
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committer | gVisor bot <gvisor-bot@google.com> | 2020-04-21 19:20:51 +0000 |
commit | b5cdbb659d6ecd5a38090093369c81db76e8a152 (patch) | |
tree | 533d1ae7bafb1e27b601b62cc24b2cfc99ee6a5a /pkg/sentry/vfs/filesystem_impl_util.go | |
parent | 3477221b21c89c56d64b039324513cda51b3f50a (diff) | |
parent | 9b5e305e05ef3ad51778981062d6152cea1cd4fb (diff) |
Merge release-20200323.0-203-g9b5e305 (automated)
Diffstat (limited to 'pkg/sentry/vfs/filesystem_impl_util.go')
-rwxr-xr-x | pkg/sentry/vfs/filesystem_impl_util.go | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/pkg/sentry/vfs/filesystem_impl_util.go b/pkg/sentry/vfs/filesystem_impl_util.go index 7315a588e..465e610e0 100755 --- a/pkg/sentry/vfs/filesystem_impl_util.go +++ b/pkg/sentry/vfs/filesystem_impl_util.go @@ -16,8 +16,6 @@ package vfs import ( "strings" - - "gvisor.dev/gvisor/pkg/fspath" ) // GenericParseMountOptions parses a comma-separated list of options of the @@ -43,27 +41,3 @@ func GenericParseMountOptions(str string) map[string]string { } return m } - -// GenericPrependPath may be used by implementations of -// FilesystemImpl.PrependPath() for which a single statically-determined lock -// or set of locks is sufficient to ensure its preconditions (as opposed to -// e.g. per-Dentry locks). -// -// Preconditions: Dentry.Name() and Dentry.Parent() must be held constant for -// vd.Dentry() and all of its ancestors. -func GenericPrependPath(vfsroot, vd VirtualDentry, b *fspath.Builder) error { - mnt, d := vd.mount, vd.dentry - for { - if mnt == vfsroot.mount && d == vfsroot.dentry { - return PrependPathAtVFSRootError{} - } - if d == mnt.root { - return nil - } - if d.parent == nil { - return PrependPathAtNonMountRootError{} - } - b.PrependComponent(d.name) - d = d.parent - } -} |