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authorMikulas Patocka <mpatocka@redhat.com>2019-10-02 06:14:17 -0400
committerMike Snitzer <snitzer@redhat.com>2019-10-10 09:45:48 -0400
commita2f83e8b0c82c9500421a26c49eb198b25fcdea3 (patch)
treeff79e8472252dbd823a0bf9e86e336a7da63af1f /block
parent0a005856d35936e351cc20ff3de04499bd7ffbfd (diff)
downloadlinux-a2f83e8b0c82c9500421a26c49eb198b25fcdea3.tar.bz2
dm snapshot: introduce account_start_copy() and account_end_copy()
This simple refactoring moves code for modifying the semaphore cow_count into separate functions to prepare for changes that will extend these methods to provide for a more sophisticated mechanism for COW throttling. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Reviewed-by: Nikos Tsironis <ntsironis@arrikto.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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