'Dbuffer dbuf' presentation slideshows

Files and Crypto

526 views • 44 slides

The Buffer Cache

The Buffer Cache. Jeff Chase Duke University. The kernel. syscall trap/return. fault/return. system call layer : file API fault entry : VM page faults. memory management : block/page cache. policy. I/O completions. timer ticks. interrupt/return. DeFiler interfaces: overview.

404 views • 25 slides

The Buffer Cache

The Buffer Cache. Jeff Chase Duke University. The kernel. syscall trap/return. fault/return. system call layer : file API fault entry : VM page faults. memory management : block/page cache. policy. I/O completions. timer ticks. interrupt/return. DeFiler interfaces: overview.

261 views • 25 slides

DeFiler interfaces

DeFiler interfaces. create , destroy , read , write a dfile. list dfiles, sync (). DFS. read (), write () startFetch (), startPush () waitValid (), waitClean () isBusy (). DBuffer dbuf = getBlock (blockID) releaseBlock (dbuf) sync (). DBufferCache. DBuffer. ioComplete ()

252 views • 14 slides

DeFiler interfaces

DeFiler interfaces. create , destroy , read , write a dfile. list dfiles, sync (). DFS. read (), write () startFetch (), startPush () waitValid (), waitClean () isBusy (). DBuffer dbuf = getBlock (blockID) releaseBlock (dbuf) sync (). DBufferCache. DBuffer. ioComplete ()

144 views • 14 slides