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erofs-linux/tools/testing/selftests/liveupdate
Pasha Tatashin e3e613a33e selftests: liveupdate: add test for double preservation
Verify that a file can only be preserved once across all active sessions. 
Attempting to preserve it a second time, whether in the same or a
different session, should fail with EBUSY.

Link: https://lore.kernel.org/[email protected]
Signed-off-by: Pasha Tatashin <[email protected]>
Reviewed-by: Mike Rapoport (Microsoft) <[email protected]>
Reviewed-by: Samiullah Khawaja <[email protected]>
Cc: David Matlack <[email protected]>
Cc: Pratyush Yadav <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Christian Brauner <[email protected]> 
Signed-off-by: Andrew Morton <[email protected]>
2026-04-18 00:10:49 -07:00
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