44 lines
1.6 KiB
Makefile
44 lines
1.6 KiB
Makefile
PDNSDIR ?= /tmp/zram
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# Currently not working with alpine linux.
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zram: mkdir zram-module zram-create zram-format zram-mount
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unzram: zram-umount zram-free
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btrzram: mkdir zram-module zram-create btrzram-format zram-mount
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mkdir:; -mkdir $(PDNSDIR) 2>/dev/null
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zram-module:; modprobe zram
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zram-create:; zramctl --find --size 50000M -a zstd
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# -b 2048 block size, cannot be used (mkfs.ext4 wants 4k blocks minimum)
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# -N xxx nb of inodes
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# -i xxx higher inode ratio
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zram-format:; mkfs.ext4 -N 50000000 /dev/zram0
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zram-mount:; mount /dev/zram0 $(PDNSDIR)
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zram-umount:; -umount $(PDNSDIR)
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zram-free:; -zramctl -r /dev/zram0
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BTRFS_DIR ?= /tmp/btrfs
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BTRFS_IMG ?= /tmp/btrfs.img
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BTRFS_SIZ ?= 5000
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BTRFS_SECTOR_SIZE ?= 4096
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BTRFS_NODE_SIZE ?= 4096 # Minimal accepted value.
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BTRFS_LOOP ?= /dev/loop100
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BTRFS_COMP ?= zstd:8
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# apt install btrfs-progs
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btrfs: btrfs-mkdir btrfs-create btrfs-loop btrfs-format btrfs-mount btrfs-chown
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btrfs-mkdir:; [ ! -d $(BTRFS_DIR) ] && mkdir $(BTRFS_DIR) 2>/dev/null || :
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btrfs-create:
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[ ! -f $(BTRFS_IMG) ] && su karchnu -c "dd if=/dev/zero of=$(BTRFS_IMG) bs=1M count=$(BTRFS_SIZ)" || :
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btrfs-loop:; losetup --sector-size $(BTRFS_SECTOR_SIZE) $(BTRFS_LOOP) $(BTRFS_IMG)
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btrfs-format:; mkfs.btrfs -s $(BTRFS_SECTOR_SIZE) -n $(BTRFS_NODE_SIZE) -L BTRDATA $(BTRFS_LOOP)
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btrfs-mount:; mount -o compress=$(BTRFS_COMP) $(BTRFS_LOOP) $(BTRFS_DIR)
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btrfs-chown:; chown karchnu $(BTRFS_DIR)
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unbtrfs: btrfs-umount btrfs-unloop btrfs-rm
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btrfs-unloop:; [ -b $(BTRFS_LOOP) ] && losetup -d $(BTRFS_LOOP) || :
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btrfs-umount:; umount $(BTRFS_DIR)
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btrfs-rm:; rm $(BTRFS_IMG)
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