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| author | rvargas@google.com <rvargas@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-06-23 22:07:36 +0000 |
|---|---|---|
| committer | rvargas@google.com <rvargas@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-06-23 22:07:36 +0000 |
| commit | 5e892c20535dcbeae099f92148feea8473cf1445 (patch) | |
| tree | e8d81957e354d53c94a5f99f5eea3ca1fdb71ea7 /net/disk_cache/sparse_control.h | |
| parent | 1ca4a8b5e7fea30a0cd7437000e8381002f546af (diff) | |
| download | chromium_src-5e892c20535dcbeae099f92148feea8473cf1445.zip chromium_src-5e892c20535dcbeae099f92148feea8473cf1445.tar.gz chromium_src-5e892c20535dcbeae099f92148feea8473cf1445.tar.bz2 | |
Disk Cache: Implement GetAvailableRange for the regular disk cache.
This is required to enable sparse caching.
BUG=12258
TEST=unittest
Review URL: http://codereview.chromium.org/146005
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19069 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'net/disk_cache/sparse_control.h')
| -rw-r--r-- | net/disk_cache/sparse_control.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/disk_cache/sparse_control.h b/net/disk_cache/sparse_control.h index fe65035..0c696ea 100644 --- a/net/disk_cache/sparse_control.h +++ b/net/disk_cache/sparse_control.h @@ -34,7 +34,8 @@ class SparseControl { enum SparseOperation { kNoOperation, kReadOperation, - kWriteOperation + kWriteOperation, + kGetRangeOperation }; explicit SparseControl(EntryImpl* entry) @@ -109,6 +110,9 @@ class SparseControl { // work. bool DoChildIO(); + // Performs the required work for GetAvailableRange for one child. + int DoGetAvailableRange(); + // Performs the required work after a single IO operations finishes. void DoChildIOCompleted(int result); @@ -124,6 +128,7 @@ class SparseControl { bool pending_; // True if any child IO operation returned pending. bool finished_; bool init_; + bool range_found_; // True if GetAvailableRange found something. SparseHeader sparse_header_; // Data about the children of entry_. Bitmap children_map_; // The actual bitmap of children. |