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repository/repository: fixed race condition i

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by having a global lock attached to the Repository structure
This commit is contained in:
Winfried Plappert 2025-03-05 22:09:58 +00:00
parent e7dddb065a
commit 8e71a92976
1 changed files with 8 additions and 6 deletions
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14
internal/repository/repository.go
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@ -52,7 +52,9 @@ type Repository struct {
enc *zstd.Encoder
dec *zstd.Decoder
MaxRepoCapReached bool
maxRepoCapReached bool
maxRepoMutex sync.Mutex
}
// internalRepository allows using SaveUnpacked and RemoveUnpacked with all FileTypes
@ -400,14 +402,14 @@ func (r *Repository) saveAndEncrypt(ctx context.Context, t restic.BlobType, data
var m sync.Mutex
// maximum repository capacity exceeded?
m.Lock()
defer m.Unlock()
r.maxRepoMutex.Lock()
defer r.maxRepoMutex.Unlock()
if r.opts.RepoSizeMax > 0 {
r.opts.repoCurSize += uint64(length)
if r.opts.repoCurSize > r.opts.RepoSizeMax {
if !r.MaxRepoCapReached {
if !r.maxRepoCapReached {
debug.Log("MaxCapacityExceeded")
r.MaxRepoCapReached = true
r.maxRepoCapReached = true
}
return length, errors.New("MaxCapacityExceeded")
}
@ -440,7 +442,7 @@ func (r *Repository) MaxCapacityExceeded() bool {
if r.opts.RepoSizeMax == 0 {
return false
}
return r.MaxRepoCapReached
return r.maxRepoCapReached
}
// CapacityChecker has to satisfy restic.Repository interface needs