[202012] Run tune2fs during initramfs instead of image install (#10558)

If it is run during image install, it's not guaranteed that the
installation environment will have tune2fs available. Therefore, run it
during initramfs instead.

Signed-off-by: Saikrishna Arcot <[email protected]>

Author: saiarcot895

files/Aboot/boot0.j2

@@ -355,9 +355,6 @@ extract_image() {
     local rootdev="$(echo $mountstr | cut -f1 -d' ')"
     rootfs_type="$(echo $mountstr | cut -d' ' -f3)"
 
-    ## Don't reserve any blocks just for root
-    tune2fs -m 0 -r 0 $rootdev
-
     info "Extracting $dockerfs from swi"
     ## Unpacking dockerfs delayed
     ## 1. when disk is vfat as it does not support symbolic link

files/initramfs-tools/mke2fs

@@ -21,6 +21,7 @@ copy_exec /usr/sbin/mke2fs /usr/local/sbin/
 copy_exec /sbin/sfdisk
 copy_exec /sbin/fdisk
 copy_exec /sbin/resize2fs
+copy_exec /sbin/tune2fs
 copy_exec /sbin/findfs
 
 fstypes="ext4 ext3"

files/initramfs-tools/union-mount.j2

@@ -129,6 +129,7 @@ case "${ROOT}" in
     *)
         ## Mount the raw partition again
         mount ${ROOT} ${rootmnt}/host
+        tune2fs -m 0 -r 0 ${ROOT}
         ;;
 esac
 

installer/arm64/install.sh

@@ -117,11 +117,6 @@ elif [ "$install_env" = "sonic" ]; then
             rm -rf $f
         fi
     done
-
-    demo_dev=$(findmnt -n -o SOURCE --target /host)
-
-    # Don't reserve any blocks just for root
-    tune2fs -m 0 -r 0 $demo_dev
 fi
 
 # Create target directory or clean it up if exists

installer/armhf/install.sh

@@ -117,11 +117,6 @@ elif [ "$install_env" = "sonic" ]; then
             rm -rf $f
         fi
     done
-
-    demo_dev=$(findmnt -n -o SOURCE --target /host)
-
-    # Don't reserve any blocks just for root
-    tune2fs -m 0 -r 0 $demo_dev
 fi
 
 # Create target directory or clean it up if exists

installer/x86_64/install.sh

@@ -434,9 +434,6 @@ if [ "$install_env" = "onie" ]; then
     # Make filesystem
     mkfs.ext4 -L $demo_volume_label $demo_dev
 
-    # Don't reserve any blocks just for root
-    tune2fs -m 0 -r 0 $demo_dev
-
     # Mount demo filesystem
     demo_mnt=$(${onie_bin} mktemp -d) || {
         echo "Error: Unable to create file system mount point"
@@ -469,20 +466,12 @@ elif [ "$install_env" = "sonic" ]; then
             rm -rf $f
         fi
     done
-
-    demo_dev=$(findmnt -n -o SOURCE --target /host)
-
-    # Don't reserve any blocks just for root
-    tune2fs -m 0 -r 0 $demo_dev
 else
     demo_mnt="build_raw_image_mnt"
     demo_dev=$cur_wd/"%%OUTPUT_RAW_IMAGE%%"
 
     mkfs.ext4 -L $demo_volume_label $demo_dev
 
-    # Don't reserve any blocks just for root
-    tune2fs -m 0 -r 0 $demo_dev
-
     echo "Mounting $demo_dev on $demo_mnt..."
     mkdir $demo_mnt
     mount -t auto -o loop $demo_dev $demo_mnt