Messages in this thread | | | Date | Wed, 19 Jan 2000 17:17:38 +0200 | From | Catalin Muresan <> | Subject | Re: [Patch] Cleanup struct gendisk registration, 2.3.40-pre1 |
| |
On Wed, Jan 19, 2000 at 08:49:05AM -0500, tytso@MIT.EDU wrote: > From: Andi Kleen <ak@muc.de> > Date: Tue, 18 Jan 2000 08:15:13 +0100 > > And much more waste. I recently discovered that a ~5GB 4K ext2 source > code partition has ~480MB wasted in file tails. The same fileset > (about 192k files) would only waste ~108MB with 1K blocks. > > It depends on what you're putting in the filesystem. If it's mostly > smallish files. such as you might expect on a source partition, then the > fragmentation overhead is much more of an issue; a 1k block size is > probably more appropriate. But if you have a filesystem with really > large files, then a 4k blocksize is really what you want. > > - Ted
Hello,
in /usr/src/linux/include/linux/ext2_fs.h there is a
#define EXT2_MIN_FRAG_SIZE 1024
does ext2 use block fragments? if yes how? if not why? (from a quick look at the source it seems unlikely that ext2 uses fragments)
-- Catalin Muresan CODEC Electronic Products Internet Services Department 718547.89 663787.56
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |