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tasks/cephfs: write_n_mb optionally background

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Signed-off-by: John Spray <john.spray@redhat.com>
This commit is contained in:
John Spray 2015-11-11 10:24:50 +00:00
parent b94b35b68f
commit cb699cccfe
1 changed files with 6 additions and 6 deletions
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12
tasks/cephfs/mount.py
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@ -281,17 +281,17 @@ class CephFSMount(object):
self.background_procs.append(rproc)
return rproc
def write_n_mb(self, filename, n_mb, seek=0):
def write_n_mb(self, filename, n_mb, seek=0, wait=True):
"""
Write the requested number of megabytes to a file
"""
assert(self.is_mounted())
self.run_shell(["dd", "if=/dev/urandom", "of={0}".format(filename),
"bs=1M",
"count={0}".format(n_mb),
"seek={0}".format(seek)
])
return self.run_shell(["dd", "if=/dev/urandom", "of={0}".format(filename),
"bs=1M",
"count={0}".format(n_mb),
"seek={0}".format(seek)
], wait=wait)
def write_test_pattern(self, filename, size):
log.info("Writing {0} bytes to {1}".format(size, filename))