On Thu, Apr 30, 2015 at 09:35:22AM -0500, Eric Sandeen wrote: > On 4/30/15 2:06 AM, Jan Kara wrote: > > The estimate of necessary transaction credits in ext4_flex_group_add() > > is too pessimistic. It reserves credit for sb, resize inode, and resize > > inode dindirect block for each group added in a flex group although they > > are always the same block and thus it is enough to account them only > > once. Also the number of modified GDT block is overestimated since we > > fit EXT4_DESC_PER_BLOCK(sb) descriptors in one block. > > > > Make the estimation more precise. That reduces number of requested > > credits enough that we can grow 20 MB filesystem (which has 1 MB > > journal, 79 reserved GDT blocks, and flex group size 16 by default). > > > > Signed-off-by: Jan Kara <jack@xxxxxxx> > > Jan, thank you for looking into this and sorting it out. > > Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx> Applied, thanks. - Ted -- 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
