Revert "feat: enable metacopy=on to test metadata-only copy-up"

This reverts commit 4c546e5d91.
This commit is contained in:
Nicholas Dudfield
2025-10-31 09:51:27 +07:00
parent 4c546e5d91
commit bd384e6bc1
2 changed files with 5 additions and 6 deletions

View File

@@ -274,12 +274,11 @@ runs:
exit 0
fi
# Mount OverlayFS with metacopy=on to prevent copy-up for files opened-but-not-written
# This dramatically reduces delta sizes when ccache opens files with O_RDWR but doesn't modify content
# Mount OverlayFS
echo ""
echo "Mounting OverlayFS with metacopy=on..."
echo "Mounting OverlayFS..."
sudo mount -t overlay overlay \
-o lowerdir="${CACHE_WORKSPACE}/base",upperdir="${CACHE_WORKSPACE}/upper",workdir="${CACHE_WORKSPACE}/work",metacopy=on \
-o lowerdir="${CACHE_WORKSPACE}/base",upperdir="${CACHE_WORKSPACE}/upper",workdir="${CACHE_WORKSPACE}/work" \
"${CACHE_WORKSPACE}/merged"
# Verify mount

View File

@@ -76,7 +76,7 @@ runs:
${{ runner.os }}-ccache-v${{ inputs.cache_version }}-${{ inputs.compiler-id }}-${{ inputs.configuration }}-${{ inputs.main_branch }}
${{ runner.os }}-ccache-v${{ inputs.cache_version }}-${{ inputs.compiler-id }}-${{ inputs.configuration }}-
${{ runner.os }}-ccache-v${{ inputs.cache_version }}-${{ inputs.compiler-id }}-
use-deltas: 'true' # Testing: metacopy=on should prevent copy-up for files opened-but-not-written
use-deltas: 'false' # Disabled: OverlayFS file-level deltas incompatible with ccache's byte-level LRU updates
aws-access-key-id: ${{ inputs.aws-access-key-id }}
aws-secret-access-key: ${{ inputs.aws-secret-access-key }}
@@ -194,6 +194,6 @@ runs:
with:
path: ~/.ccache
key: ${{ runner.os }}-ccache-v${{ inputs.cache_version }}-${{ inputs.compiler-id }}-${{ inputs.configuration }}-${{ steps.safe-branch.outputs.name }}
use-deltas: 'true' # Testing: metacopy=on should prevent copy-up for files opened-but-not-written
use-deltas: 'false' # Disabled: OverlayFS file-level deltas incompatible with ccache's byte-level LRU updates
aws-access-key-id: ${{ inputs.aws-access-key-id }}
aws-secret-access-key: ${{ inputs.aws-secret-access-key }}