Re: ext4 extends implementation question

2012-01-24 Thread Alberto Fuentes
That's not how extents work. What you are describing is a large block granularity, not extents-based allocation. There is no reason why the next allocation can't happen like this: [X][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ][ ] [X][X][X][X][ ][ ][ ][ ][ ][ ][ ][ ] [X][X][X][X][X][X][X][X][A][A][A][A] [X][X]

Re: ext4 extends implementation question

2012-01-23 Thread Arno Schuring
Alberto Fuentes (alberto.fuen...@qindel.com on 2012-01-23 09:24 +0100): > On 01/10/2012 11:31 PM, Arno Schuring wrote: > > afuentes (alberto.fuen...@qindel.com on 2012-01-10 10:33 +0100): > >> What happens when you run out of space to allocate new extends in > >> ext4? is not allowed to write anymo

Re: ext4 extends implementation question

2012-01-23 Thread Alberto Fuentes
On 01/10/2012 11:31 PM, Arno Schuring wrote: afuentes (alberto.fuen...@qindel.com on 2012-01-10 10:33 +0100): What happens when you run out of space to allocate new extends in ext4? is not allowed to write anymore even tho there are tons of blocks available? I'm unsure what you mean. Extents i

Re: ext4 extends implementation question

2012-01-10 Thread Arno Schuring
afuentes (alberto.fuen...@qindel.com on 2012-01-10 10:33 +0100): > What happens when you run out of space to allocate new extends in > ext4? is not allowed to write anymore even tho there are tons of > blocks available? I'm unsure what you mean. Extents is only an optimization strategy for allocat