[08/12] common/populate: support multiple cached images
diff mbox series

Message ID 155304273502.31707.11442947133103113710.stgit@magnolia
State Accepted
Headers show
Series
  • fstests: various fixes
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Commit Message

Darrick J. Wong March 20, 2019, 12:45 a.m. UTC
From: Darrick J. Wong <darrick.wong@oracle.com>

Enhance the populated fs metadump image cache to support multiple
configurations per filesystem so that we reduce the image creation
overhead even further.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 common/populate |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Patch
diff mbox series

diff --git a/common/populate b/common/populate
index 1f921ac5..4fa118f0 100644
--- a/common/populate
+++ b/common/populate
@@ -805,10 +805,12 @@  _scratch_populate_restore_cached() {
 # Populate a scratch FS from scratch or from a cached image.
 _scratch_populate_cached() {
 	local meta_descr="$(_scratch_populate_cache_tag "$@")"
+	local meta_tag="$(echo "${meta_descr}" | md5sum - | cut -d ' ' -f 1)"
+	local metadump_stem="${TEST_DIR}/__populate.${FSTYP}.${meta_tag}"
 
 	# These variables are shared outside this function
-	POPULATE_METADUMP="${TEST_DIR}/__populate.${FSTYP}"
-	POPULATE_METADUMP_DESCR="${TEST_DIR}/__populate.${FSTYP}.txt"
+	POPULATE_METADUMP="${metadump_stem}.metadump"
+	POPULATE_METADUMP_DESCR="${metadump_stem}.txt"
 
 	# Don't keep metadata images cached for more 48 hours...
 	rm -rf "$(find "${POPULATE_METADUMP}" -mtime +2 2>/dev/null)"