Lines Matching refs:mappings
24 This layer tries to obtain mappings of each file ranges to storage
28 2. An upper layer that acts upon the space mappings provided by the
31 The iteration can involve mappings of file's logical offset ranges to
62 units (generally memory pages or blocks) and looks up space mappings on
64 largest space mappings that it can create for a given file operation and
69 Larger space mappings improve runtime performance by amortizing the cost
238 * **IOMAP_F_MERGED**: Multiple contiguous block mappings were
276 ``IOMAP_INLINE`` mappings.
286 that should be used to detect stale mappings.
290 Filesystems with completely static mappings need not set this value.
291 Only pagecache operations revalidate mappings; see the section about
422 while sampling mappings.