Hi, once we decide to do this, how about storing inode inside the directory ? IMHO, the latter one is more attractive :-) Coly 在 2007-07-10二的 12:12 -0500,Jose R. Santos写道: > Hi folks, > > As I play with the allocation of the metadata for the FLEX_BG feature, > it seems that we could benefit from having block groups with no inode > tables. Right now we allocate one inode table per bg base on the > inode_blocks_per_group. For FLEX_BG though, it would make more sense > to have a larger inode tables that fully use the inode bitmap allocated > on the first few block groups. Once we reach the number of inode per > FLEX_BG, then the remaining block groups could then have no inode > tables defined. > > The idea here is that we better utilize the inode bitmaps and reduce the > number of inode tables to improve mkfs/fsck times. We could also > support expansion of inode since we have block groups that have empty > entries in the block group descriptors and as long as we can find > enough empty blocks for the inode table expanding the number of inodes > should be relatively easy. > > Don't know if ext4 currently supports this. Any thoughts? > > -JRS > - > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html