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authorMike Snitzer <snitzer@redhat.com>2009-12-10 23:52:29 +0000
committerAlasdair G Kergon <agk@redhat.com>2009-12-10 23:52:29 +0000
commit615d1eb9cad9b34ed17c18c604254e8db533ac6f (patch)
tree0937db148422cad3057db39ec2eaecf7b87e21a9 /drivers/idle
parent9eaae8ffbc340fc034fed1e5d0dc9ca0e943f817 (diff)
dm snapshot: create function for chunk_is_tracked wait
Move the __chunk_is_tracked() loop into a separate function as we will also need to call it from the write path in the rare case of conflicting writes to the same chunk. Originally introduced in commit a8d41b59f3f5a7ac19452ef442a7fc1b5fa17366 ("dm snapshot: fix race during exception creation"). Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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