On Thu, 2007-05-31 at 12:16 -0400, Theodore Tso wrote: > On Thu, May 31, 2007 at 02:28:33AM +0530, Kalpak Shah wrote: > > > > So can I assume that the INCOMPAT_MMP flag and the s_mmp_interval and > > s_mmp_block superblock fields will be reserved regardless of whether the > > patches go into ext4? I had attached the patches in the last mail so you > > can share your views on them. > > Yes, i've reserved the code point and superblock fields. Thanks. > I'm not going to add INCOMPAT_MMP flag to the supported file until I get and > integrate the patch ext2fs_open() that actually tests for the flag, > though, since that would be a bit silly. > > I assume the patch will add a flag to ext2fs_open which skips the MMP > checking. Yes I have added a EXT2_FLAG_SKIP_MMP flag to ext2fs_open() to bypass MMP which will be set if tunefs is used with -f option. Also MMP check will not be run if the filesystem is being opened readonly. Thanks, Kalpak. > After all, tune2fs is allowed to make changes to the > superblock while the filesystem is mounted. So it needs to be able to > open the filesystem read/only even if it is mounted. > > Regards, > > - 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
