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| -rw-r--r-- | tests/cluster/cluster_test.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/cluster/cluster_test.go b/tests/cluster/cluster_test.go index 55a2b99..df35fb2 100644 --- a/tests/cluster/cluster_test.go +++ b/tests/cluster/cluster_test.go @@ -30,6 +30,13 @@ import ( // > Other Linux filesystems only guaranty page level atomicity for // > buffered read/write. // +// Note that ext4 actually provides NO ATOMICITY AT ALL. +// Quoting https://stackoverflow.com/a/35256626 : +// +// > Linux 4.2.6 with ext4: update atomicity = 1 byte +// +// TestPoCTornWrite in this package confirms this. +// // See also: // * https://lore.kernel.org/linux-xfs/20190325001044.GA23020@dastard/ // Dave Chinner: XFS is the only linux filesystem that provides this behaviour. |