From d16db7d9ded85f4a7f8d91562246cc2f59bf204d Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Tue, 21 Dec 2010 15:32:05 -0600 Subject: [PATCH] resize2fs: do not clear resize inode for 0 resvd blocks I ran into odd behavior where mkfs.ext4 of a 16T filesystem would create a resize inode with 0 reserved blocks, and mark the resize_inode feature. A subsequent slight downward resize of the filesystem would remove the resize inode, making any further offline resizing impossible. This is especially odd in light of the fact that a large downward resize (say, to 8T) will actually add blocks to the resize inode - so a small resize removes it, a large resize expands it ... commit 8ade268cf2fde8629b51bfd1c044a83db88234cd had added this: If the filesystem is grown to the point where the resize_inode is no longer needed, clean it up properly so e2fsck doesn't have to. but, it seems e2fsck does not care about this situation, either. So, simply leave the resize_inode intact in this case, and everything seems to be happy. Note, this is for the 1.41.xx branch. Signed-off-by: Eric Sandeen Signed-off-by: Theodore Ts'o --- resize/resize2fs.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/resize/resize2fs.c b/resize/resize2fs.c index 346fd53..024f1cc 100644 --- a/resize/resize2fs.c +++ b/resize/resize2fs.c @@ -1711,7 +1711,6 @@ static errcode_t fix_resize_inode(ext2_filsys fs) struct ext2_inode inode; errcode_t retval; char * block_buf; - blk_t blk; if (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_RESIZE_INODE)) @@ -1723,20 +1722,6 @@ static errcode_t fix_resize_inode(ext2_filsys fs) retval = ext2fs_read_inode(fs, EXT2_RESIZE_INO, &inode); if (retval) goto errout; - if (fs->super->s_reserved_gdt_blocks == 0) { - fs->super->s_feature_compat &= - ~EXT2_FEATURE_COMPAT_RESIZE_INODE; - ext2fs_mark_super_dirty(fs); - - if ((blk = inode.i_block[EXT2_DIND_BLOCK]) != 0) - ext2fs_block_alloc_stats(fs, blk, -1); - - memset(&inode, 0, sizeof(inode)); - - retval = ext2fs_write_inode(fs, EXT2_RESIZE_INO, &inode); - goto errout; - } - ext2fs_iblk_set(fs, &inode, 1); retval = ext2fs_write_inode(fs, EXT2_RESIZE_INO, &inode); -- 1.8.3.1