Re: UBIFS was Re: Compressed file system for SD?
Am Monday 13 October 2008 02:14:06 schrieb nickd: Bummer. Upon further reading I see the difference in flash devices now. Do you think UBIFS could replace JFFS on the Freerunner? Is there a benefit? Or is there not enough wiggle room on the FR for caching? It seems better overall [1]. Would it be possible to replace it yourself with the appropriate kernel modules etc? Ok enough questions ;-) -Nick 1. http://lwn.net/Articles/275706/ Lorn Potter wrote: nickd wrote: I haven't sorry. Coincidentaly, the new kernel which was released the other day (.27) includes a new filesystem designed for flash drives - UBIFS [1]. I wonder if this could be relevant to this project. It looks like it has full write-back support, meaning it doesn't need to write to the SD card all the time, although I guess we don't have that much memory to play with. ubifs wont work on sd cards, which are not true flash devices. but it is relevant and could replace jffs2. As could yaffs2. Missing just someone compiling an image and doing some benchmarks. With OE it should be easy. -- :M: ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: UBIFS was Re: Compressed file system for SD?
nickd wrote: I haven't sorry. Coincidentaly, the new kernel which was released the other day (.27) includes a new filesystem designed for flash drives - UBIFS [1]. I wonder if this could be relevant to this project. It looks like it has full write-back support, meaning it doesn't need to write to the SD card all the time, although I guess we don't have that much memory to play with. ubifs wont work on sd cards, which are not true flash devices. but it is relevant and could replace jffs2. Lorn 'ljp' Potter Software Engineer, Systems Group, Qt Software, Nokia Pty Ltd ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: UBIFS was Re: Compressed file system for SD?
Bummer. Upon further reading I see the difference in flash devices now. Do you think UBIFS could replace JFFS on the Freerunner? Is there a benefit? Or is there not enough wiggle room on the FR for caching? It seems better overall [1]. Would it be possible to replace it yourself with the appropriate kernel modules etc? Ok enough questions ;-) -Nick 1. http://lwn.net/Articles/275706/ Lorn Potter wrote: nickd wrote: I haven't sorry. Coincidentaly, the new kernel which was released the other day (.27) includes a new filesystem designed for flash drives - UBIFS [1]. I wonder if this could be relevant to this project. It looks like it has full write-back support, meaning it doesn't need to write to the SD card all the time, although I guess we don't have that much memory to play with. ubifs wont work on sd cards, which are not true flash devices. but it is relevant and could replace jffs2. Lorn 'ljp' Potter Software Engineer, Systems Group, Qt Software, Nokia Pty Ltd ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
