diff options
Diffstat (limited to 'vendor/github.com/containerd/continuity/fs')
5 files changed, 103 insertions, 23 deletions
diff --git a/vendor/github.com/containerd/continuity/fs/copy_darwinopenbsdsolaris.go b/vendor/github.com/containerd/continuity/fs/copy_darwinopenbsdsolaris.go new file mode 100644 index 000000000..92ccacf9a --- /dev/null +++ b/vendor/github.com/containerd/continuity/fs/copy_darwinopenbsdsolaris.go @@ -0,0 +1,40 @@ +// +build darwin openbsd solaris + +/* + Copyright The containerd Authors. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +package fs + +import ( + "os" + "syscall" + + "github.com/pkg/errors" + "golang.org/x/sys/unix" +) + +func copyDevice(dst string, fi os.FileInfo) error { + st, ok := fi.Sys().(*syscall.Stat_t) + if !ok { + return errors.New("unsupported stat type") + } + return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev)) +} + +func utimesNano(name string, atime, mtime syscall.Timespec) error { + timespec := []syscall.Timespec{atime, mtime} + return syscall.UtimesNano(name, timespec) +} diff --git a/vendor/github.com/containerd/continuity/fs/copy_freebsd.go b/vendor/github.com/containerd/continuity/fs/copy_freebsd.go new file mode 100644 index 000000000..4b116c95e --- /dev/null +++ b/vendor/github.com/containerd/continuity/fs/copy_freebsd.go @@ -0,0 +1,42 @@ +// +build freebsd + +/* + Copyright The containerd Authors. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +package fs + +import ( + "os" + "syscall" + + "github.com/pkg/errors" + "golang.org/x/sys/unix" +) + +func copyDevice(dst string, fi os.FileInfo) error { + st, ok := fi.Sys().(*syscall.Stat_t) + if !ok { + return errors.New("unsupported stat type") + } + return unix.Mknod(dst, uint32(fi.Mode()), st.Rdev) +} + +func utimesNano(name string, atime, mtime syscall.Timespec) error { + at := unix.NsecToTimespec(atime.Nano()) + mt := unix.NsecToTimespec(mtime.Nano()) + utimes := [2]unix.Timespec{at, mt} + return unix.UtimesNanoAt(unix.AT_FDCWD, name, utimes[0:], unix.AT_SYMLINK_NOFOLLOW) +} diff --git a/vendor/github.com/containerd/continuity/fs/copy_unix.go b/vendor/github.com/containerd/continuity/fs/copy_unix.go index a5de89261..dfd857aaa 100644 --- a/vendor/github.com/containerd/continuity/fs/copy_unix.go +++ b/vendor/github.com/containerd/continuity/fs/copy_unix.go @@ -25,7 +25,6 @@ import ( "github.com/containerd/continuity/sysx" "github.com/pkg/errors" - "golang.org/x/sys/unix" ) func copyFileInfo(fi os.FileInfo, name string) error { @@ -53,8 +52,7 @@ func copyFileInfo(fi os.FileInfo, name string) error { } } - timespec := []syscall.Timespec{StatAtime(st), StatMtime(st)} - if err := syscall.UtimesNano(name, timespec); err != nil { + if err := utimesNano(name, StatAtime(st), StatMtime(st)); err != nil { return errors.Wrapf(err, "failed to utime %s", name) } @@ -102,11 +100,3 @@ func copyXAttrs(dst, src string, xeh XAttrErrorHandler) error { return nil } - -func copyDevice(dst string, fi os.FileInfo) error { - st, ok := fi.Sys().(*syscall.Stat_t) - if !ok { - return errors.New("unsupported stat type") - } - return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev)) -} diff --git a/vendor/github.com/containerd/continuity/fs/du_unix.go b/vendor/github.com/containerd/continuity/fs/du_unix.go index e22ffbea3..9da43d1bc 100644 --- a/vendor/github.com/containerd/continuity/fs/du_unix.go +++ b/vendor/github.com/containerd/continuity/fs/du_unix.go @@ -25,6 +25,14 @@ import ( "syscall" ) +// blocksUnitSize is the unit used by `st_blocks` in `stat` in bytes. +// See https://man7.org/linux/man-pages/man2/stat.2.html +// st_blocks +// This field indicates the number of blocks allocated to the +// file, in 512-byte units. (This may be smaller than +// st_size/512 when the file has holes.) +const blocksUnitSize = 512 + type inode struct { // TODO(stevvooe): Can probably reduce memory usage by not tracking // device, but we can leave this right for now. @@ -33,9 +41,9 @@ type inode struct { func newInode(stat *syscall.Stat_t) inode { return inode{ - // Dev is uint32 on darwin/bsd, uint64 on linux/solaris + // Dev is uint32 on darwin/bsd, uint64 on linux/solaris/freebsd dev: uint64(stat.Dev), // nolint: unconvert - // Ino is uint32 on bsd, uint64 on darwin/linux/solaris + // Ino is uint32 on bsd, uint64 on darwin/linux/solaris/freebsd ino: uint64(stat.Ino), // nolint: unconvert } } @@ -59,10 +67,11 @@ func diskUsage(ctx context.Context, roots ...string) (Usage, error) { default: } - inoKey := newInode(fi.Sys().(*syscall.Stat_t)) + stat := fi.Sys().(*syscall.Stat_t) + inoKey := newInode(stat) if _, ok := inodes[inoKey]; !ok { inodes[inoKey] = struct{}{} - size += fi.Size() + size += stat.Blocks * blocksUnitSize } return nil @@ -89,10 +98,11 @@ func diffUsage(ctx context.Context, a, b string) (Usage, error) { } if kind == ChangeKindAdd || kind == ChangeKindModify { - inoKey := newInode(fi.Sys().(*syscall.Stat_t)) + stat := fi.Sys().(*syscall.Stat_t) + inoKey := newInode(stat) if _, ok := inodes[inoKey]; !ok { inodes[inoKey] = struct{}{} - size += fi.Size() + size += stat.Blocks * blocksUnitSize } return nil diff --git a/vendor/github.com/containerd/continuity/fs/path.go b/vendor/github.com/containerd/continuity/fs/path.go index 8863caa9d..c26be7989 100644 --- a/vendor/github.com/containerd/continuity/fs/path.go +++ b/vendor/github.com/containerd/continuity/fs/path.go @@ -117,15 +117,13 @@ func sameFile(f1, f2 *currentPath) (bool, error) { // If the timestamp may have been truncated in both of the // files, check content of file to determine difference if t1.Nanosecond() == 0 && t2.Nanosecond() == 0 { - var eq bool if (f1.f.Mode() & os.ModeSymlink) == os.ModeSymlink { - eq, err = compareSymlinkTarget(f1.fullPath, f2.fullPath) - } else if f1.f.Size() > 0 { - eq, err = compareFileContent(f1.fullPath, f2.fullPath) + return compareSymlinkTarget(f1.fullPath, f2.fullPath) } - if err != nil || !eq { - return eq, err + if f1.f.Size() == 0 { // if file sizes are zero length, the files are the same by definition + return true, nil } + return compareFileContent(f1.fullPath, f2.fullPath) } else if t1.Nanosecond() != t2.Nanosecond() { return false, nil } |