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Use different location for swapfile on btrfs root

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This commit is contained in:
Chrysostomus 2020-12-07 22:30:57 +02:00
parent 59cfdcccdf
commit 3f0612b4ad
1 changed files with 8 additions and 3 deletions
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11
src/modules/fstab/main.py
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@ -319,14 +319,19 @@ def create_swapfile(root_mount_point, root_btrfs):
The swapfile-creation covers progress from 0.2 to 0.5
"""
libcalamares.job.setprogress(0.2)
swapfile_path = os.path.join(root_mount_point, "swapfile")
with open(swapfile_path, "wb") as f:
pass
if root_btrfs:
# btrfs swapfiles must reside on a subvolume that is not snapshotted to prevent file system corruption
swapfile_path = os.path.join(root_mount_point, "swap/swapfile")
with open(swapfile_path, "wb") as f:
pass
o = subprocess.check_output(["chattr", "+C", swapfile_path])
libcalamares.utils.debug("swapfile attributes: {!s}".format(o))
o = subprocess.check_output(["btrfs", "property", "set", swapfile_path, "compression", "none"])
libcalamares.utils.debug("swapfile compression: {!s}".format(o))
else:
swapfile_path = os.path.join(root_mount_point, "swapfile")
with open(swapfile_path, "wb") as f:
pass
# Create the swapfile; swapfiles are small-ish
zeroes = bytes(16384)
with open(swapfile_path, "wb") as f: