Lines Matching refs:an
22 the heart of it, is an indirection table that re-maps all the blocks on the
23 volume. It can be thought of as an extremely simple file system that only
34 Each arena follows the same layout for its metadata, and all references in an
78 The map is a simple lookup/indirection table that maps an LBA to an internal
99 ABA : Arena Block Address - Block offset/number within an arena
100 Premap ABA : The block offset into an arena, which was decided upon by range
119 The BTT provides sector atomicity by making every write an "allocating write",
122 "free list" and "log". The flog contains 'nfree' entries, and an entry contains:
132 operation, with 00 indicating an uninitialized state.
148 While 'nfree' describes the number of concurrent IOs an arena can process
194 Instead we use an array of (nfree) map_locks that is indexed by
245 An arena would be in an error state if any of the metadata is corrupted
247 indicate an error: