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| author | Milan Broz | 2008-02-08 03:10:27 +0100 |
|---|---|---|
| committer | Alasdair G Kergon | 2008-02-08 03:10:27 +0100 |
| commit | 94d6351e147231b2c5a9512d69693ee8ac0c204d (patch) | |
| tree | a0b5c1935077c1bf40db1945c5f30e8d8a9a47a2 /mm | |
| parent | dm: tidy dm_suspend (diff) | |
| download | kernel-qcow2-linux-94d6351e147231b2c5a9512d69693ee8ac0c204d.tar.gz kernel-qcow2-linux-94d6351e147231b2c5a9512d69693ee8ac0c204d.tar.xz kernel-qcow2-linux-94d6351e147231b2c5a9512d69693ee8ac0c204d.zip | |
dm: split dm_suspend io_lock hold into two
Change io_locking to allow processing flush in separate thread.
Because we have DMF_BLOCK_IO already set, any possible
new ios are queued in dm_requests now.
In the case of interrupting previous wait there can be more
ios queued (we unlocked io_lock for a while) but this is safe.
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions