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Zsolt Ero
2023-12-17 18:53:29 +01:00
parent 71d7d7fe95
commit e2c2f1fc7e
8 changed files with 129 additions and 76 deletions
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5
scripts/tile_gen/extract_btrfs.sh
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@@ -25,12 +25,13 @@ sudo mount -v \
sudo chown ofm:ofm -R mnt_rw
../../tile_gen/venv/bin/python ../../tile_gen/extract.py output.mbtiles mnt_rw/extract \
../../tile_gen/venv/bin/python ../../tile_gen/extract_mbtiles.py output.mbtiles mnt_rw/extract \
> "extract_out.log" 2> "extract_err.log"
sudo umount mnt_rw
../../tile_gen/venv/bin/python ../../tile_gen/shrink_btrfs.py image.btrfs
sudo ../../tile_gen/venv/bin/python ../../tile_gen/shrink_btrfs.py image.btrfs \
> "shrink_out.log" 2> "shrink_err.log"
# pigz -k image.btrfs --fast

4
scripts/tile_gen/extract_ext4.sh
View File

@@ -11,6 +11,7 @@
# from /etc/mke2fs.conf
# defaults: has_journal,extent,huge_file,flex_bg,metadata_csum,64bit,dir_nlink,extra_isize
# disabling journalling, since it's a read-only fs, as well as other unused features
# extent is actually needed for tail packing small files
#
# -E extended-options
# lazy_itable_init - inode table is fully initialized at the time of file system creation
@@ -32,9 +33,10 @@ fallocate -l 300G image.ext4
mke2fs -t ext4 -v \
-m 0 \
-F \
-O ^has_journal,^extent,^huge_file,^metadata_csum,^64bit,^extra_isize \
-O ^has_journal,^huge_file,^metadata_csum,^64bit,^extra_isize \
-E lazy_itable_init=0,nodiscard \
-T small \
-I 128 \
image.ext4
mkdir mnt