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| author | Yann E. MORIN <yann.morin.1998@free.fr> | 2017-07-04 00:51:01 +0200 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2017-07-04 08:50:40 +0200 |
| commit | 221808810d546e6808c48ec09383bd161d995be5 (patch) | |
| tree | 88038a94d17a42c0024debf2083856ac34f33513 | |
| parent | ddecc7dcb2fb584540b4160b7a1e89e5d75b47ea (diff) | |
| download | buildroot-221808810d546e6808c48ec09383bd161d995be5.tar.gz buildroot-221808810d546e6808c48ec09383bd161d995be5.zip | |
package/mke2img: add option to specify block size
ext filesystems can use a block size of 1024, 2048, or 4096 bytes, the
former being interesting to store small files, while the latter being
more intersting to store bigger files.
So far, we were using the default, which was to use a 1024-byte block.
Continue doing so (for now...).
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
| -rw-r--r-- | fs/ext2/ext2.mk | 1 | ||||
| -rwxr-xr-x | package/mke2img/mke2img | 10 |
2 files changed, 9 insertions, 2 deletions
diff --git a/fs/ext2/ext2.mk b/fs/ext2/ext2.mk index 16e14777c3..0d5fc7f118 100644 --- a/fs/ext2/ext2.mk +++ b/fs/ext2/ext2.mk @@ -12,6 +12,7 @@ EXT2_LABEL := $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_LABEL)) EXT2_OPTS = \ -G $(BR2_TARGET_ROOTFS_EXT2_GEN) \ -R $(BR2_TARGET_ROOTFS_EXT2_REV) \ + -B 1024 \ -b $(BR2_TARGET_ROOTFS_EXT2_BLOCKS) \ -i $(BR2_TARGET_ROOTFS_EXT2_INODES) \ -I $(BR2_TARGET_ROOTFS_EXT2_EXTRA_INODES) \ diff --git a/package/mke2img/mke2img b/package/mke2img/mke2img index 266df483aa..399012a2be 100755 --- a/package/mke2img/mke2img +++ b/package/mke2img/mke2img @@ -19,9 +19,10 @@ main() { rev=1 nb_extra_inodes=0 - while getopts :hb:i:I:r:d:o:G:R:l:u: OPT; do + while getopts :hB:b:i:I:r:d:o:G:R:l:u: OPT; do case "${OPT}" in h) help; exit 0;; + B) block_size="${OPTARG}";; b) nb_blocks=${OPTARG};; i) nb_inodes=${OPTARG};; I) nb_extra_inodes=${OPTARG};; @@ -47,6 +48,11 @@ main() { if [ -z "${nb_blocks}" ]; then error "you must specify the size of the output image with '-b'\n" fi + case "${block_size}" in + 1024|2048|4096) ;; # Sole valid values + '') error "you must specify the size of a block with -B\n";; + *) error "invalid block size '%s' (valid: 1024. 2048, 4096)\n" "${block_size}";; + esac case "${gen}:${rev}" in 2:0|2:1|3:1|4:1) ;; @@ -91,7 +97,7 @@ main() { fi # Generate the filesystem - genext2fs_opts=( -z -b ${nb_blocks} -N ${nb_inodes} -d "${root_dir}" ) + genext2fs_opts=( -z -B ${block_size} -b ${nb_blocks} -N ${nb_inodes} -d "${root_dir}" ) if [ -n "${nb_res_blocks}" ]; then genext2fs_opts+=( -m ${nb_res_blocks} ) fi |
