chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc - Issue 470323003: [fsp] Improve performance for reading small chunks of data.

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Unified Diff: chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc

Issue 470323003: [fsp] Improve performance for reading small chunks of data. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Rebased. Created 6 years, 3 months ago

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« no previous file with comments | « chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h ('k') | chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_stream_reader.h » ('j') | storage/browser/blob/blob_url_request_job.cc » ('J')
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Index: chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc

diff --git a/chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc b/chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc

index b4bffe19bc78c84f5ee39c14f733e541e4b6becf..eba4927fd3a3d0b26b247205a9c132942d3db6b9 100644

--- a/chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc

+++ b/chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.cc

@@ -41,6 +41,7 @@ storage::AsyncFileUtil* BackendDelegate::GetAsyncFileUtil(

scoped_ptr<storage::FileStreamReader> BackendDelegate::CreateFileStreamReader(

const storage::FileSystemURL& url,

int64 offset,

+ int64 max_bytes_to_read,

const base::Time& expected_modification_time,

storage::FileSystemContext* context) {

DCHECK_CURRENTLY_ON(BrowserThread::IO);

@@ -49,7 +50,8 @@ scoped_ptr<storage::FileStreamReader> BackendDelegate::CreateFileStreamReader(

return scoped_ptr<storage::FileStreamReader>(new BufferingFileStreamReader(

scoped_ptr<storage::FileStreamReader>(new FileStreamReader(

context, url, offset, expected_modification_time)),

- kReaderBufferSize));

+ kReaderBufferSize,

+ max_bytes_to_read));

}

scoped_ptr<storage::FileStreamWriter> BackendDelegate::CreateFileStreamWriter(