Lines Matching refs:a

4 dm-era is a target that behaves similar to the linear target.  In
5 addition it keeps track of which blocks were written within a user
7 maintains the current era as a monotonically increasing 32-bit
11 partially invalidating the contents of a cache to restore cache
12 coherency after rolling back a vendor snapshot.
32 Possibly move to a new era.  You shouldn't assume the era has
39 Create a clone of the metadata, to allow a userland process to read it.
64 The scenario of invalidating a cache when rolling back a vendor
67 Taking a vendor snapshot
70 - Send a checkpoint message to the era target
71 - Make a note of the current era in its status line
89 The target uses a bitset to record writes in the current era.  It also
90 has a spare bitset ready for switching over to a new era.  Other than
91 that it uses a few 4k blocks for updating metadata.
98 Metadata is updated on disk before a write to a previously unwritten
99 block is performed.  As such dm-era should not be effected by a hard