[Webkit-unassigned] [Bug 86995] New: Cleanup: add a file system call which captures the file metadata at once.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=86995

           Summary: Cleanup: add a file system call which captures the
                    file metadata at once.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kinuko at chromium.org


Cleanup: add a file system call which captures the file metadata at once.

Current File.slice() (webkitSlice()) implementation calls two separate platform calls,
getFileSize() and getFileModificationTime() [both are defined in platform/FileSystem.h],
to capture the file metadata, but we should have a single file system call to get them at once
for two reasons: 1. save additional system call costs, and 2. atomically obtain the file metadata.

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