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fsImpl.checkInvariants

geesefs-0-30-9
Aaron Jacobs 2015-03-30 16:28:02 +11:00
parent b2b1b6a4ef
commit a787be87bb
1 changed files with 16 additions and 2 deletions
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18
samples/forgetfs/forget_fs.go
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@ -97,7 +97,7 @@ type fsImpl struct {
// An index of inode by ID, for all IDs we have issued.
//
// INVARIANT: For each v, v.lookupCount >= 0
// INVARIANT: For each v in inodes, v.lookupCount >= 0
//
// GUARDED_BY(mu)
inodes map[fuseops.InodeID]*inode
@ -116,7 +116,21 @@ type inode struct {
}
// LOCKS_REQUIRED(fs.mu)
func (fs *fsImpl) checkInvariants()
func (fs *fsImpl) checkInvariants() {
// INVARIANT: For each v in inodes, v.lookupCount >= 0
for _, v := range fs.inodes {
if !(v.lookupCount >= 0) {
panic("Negative lookup count")
}
}
// INVARIANT: For each k in inodes, k < nextInodeID
for k, _ := range fs.inodes {
if !(k < fs.nextInodeID) {
panic("Unexpectedly large inode ID")
}
}
}
func (fs *fsImpl) Init(
op *fuseops.InitOp) {