Re: [PATCH 1/5] Forking ext4 filesystem from ext3 filesystem

>>>>> Jeff Garzik (JG) writes:

 >> A buffer_head is the kernel's sole abstraction of a disk block. 
 >> Filesystems use disk blocks a lot, and they need such an abstraction.

 JG> IMO Al Viro work has shown that you can do pagecache I/O without needing 
 JG> such a heavyweight system.

in delayed allocation patch for ext3 (ontop of extents) we do use
bio's for data.

thanks, Alex

-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642