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fs: inline ExtendedStat

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This commit is contained in:
Michael Eischer
2024-11-03 16:01:59 +01:00
parent 806fa534ce
commit 641390103d
22 changed files with 121 additions and 205 deletions
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36
internal/fs/fs_local.go
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@@ -36,19 +36,12 @@ func (fs Local) OpenFile(name string, flag int, metadataOnly bool) (File, error)
// If the file is a symbolic link, the returned FileInfo
// describes the symbolic link. Lstat makes no attempt to follow the link.
// If there is an error, it will be of type *PathError.
func (fs Local) Lstat(name string) (os.FileInfo, error) {
return os.Lstat(fixpath(name))
}
// DeviceID extracts the DeviceID from the given FileInfo. If the fs does
// not support a DeviceID, it returns an error instead
func (fs Local) DeviceID(fi os.FileInfo) (id uint64, err error) {
return deviceID(fi)
}
// ExtendedStat converts the give FileInfo into ExtendedFileInfo.
func (fs Local) ExtendedStat(fi os.FileInfo) ExtendedFileInfo {
return ExtendedStat(fi)
func (fs Local) Lstat(name string) (*ExtendedFileInfo, error) {
fi, err := os.Lstat(fixpath(name))
if err != nil {
return nil, err
}
return extendedStat(fi), nil
}
// Join joins any number of path elements into a single path, adding a
@@ -96,7 +89,7 @@ type localFile struct {
name string
flag int
f *os.File
fi os.FileInfo
fi *ExtendedFileInfo
}
// See the File interface for a description of each method
@@ -137,18 +130,23 @@ func (f *localFile) cacheFI() error {
if f.fi != nil {
return nil
}
var fi os.FileInfo
var err error
if f.f != nil {
f.fi, err = f.f.Stat()
fi, err = f.f.Stat()
} else if f.flag&O_NOFOLLOW != 0 {
f.fi, err = os.Lstat(f.name)
fi, err = os.Lstat(f.name)
} else {
f.fi, err = os.Stat(f.name)
fi, err = os.Stat(f.name)
}
return err
if err != nil {
return err
}
f.fi = extendedStat(fi)
return nil
}
func (f *localFile) Stat() (os.FileInfo, error) {
func (f *localFile) Stat() (*ExtendedFileInfo, error) {
err := f.cacheFI()
// the call to cacheFI MUST happen before reading from f.fi
return f.fi, err