diff options
Diffstat (limited to 'Documentation/filesystems/iomap/design.rst')
| -rw-r--r-- | Documentation/filesystems/iomap/design.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/filesystems/iomap/design.rst b/Documentation/filesystems/iomap/design.rst index f8ee3427bc1a..b0d0188a095e 100644 --- a/Documentation/filesystems/iomap/design.rst +++ b/Documentation/filesystems/iomap/design.rst @@ -142,9 +142,9 @@ Definitions * **pure overwrite**: A write operation that does not require any metadata or zeroing operations to perform during either submission or completion. - This implies that the fileystem must have already allocated space + This implies that the filesystem must have already allocated space on disk as ``IOMAP_MAPPED`` and the filesystem must not place any - constaints on IO alignment or size. + constraints on IO alignment or size. The only constraints on I/O alignment are device level (minimum I/O size and alignment, typically sector size). @@ -165,7 +165,7 @@ structure below: u16 flags; struct block_device *bdev; struct dax_device *dax_dev; - voidw *inline_data; + void *inline_data; void *private; const struct iomap_folio_ops *folio_ops; u64 validity_cookie; @@ -394,7 +394,7 @@ iomap is concerned: * The **upper** level primitive is provided by the filesystem to coordinate access to different iomap operations. - The exact primitive is specifc to the filesystem and operation, + The exact primitive is specific to the filesystem and operation, but is often a VFS inode, pagecache invalidation, or folio lock. For example, a filesystem might take ``i_rwsem`` before calling ``iomap_file_buffered_write`` and ``iomap_file_unshare`` to prevent @@ -426,7 +426,7 @@ iomap is concerned: The exact locking requirements are specific to the filesystem; for certain operations, some of these locks can be elided. -All further mention of locking are *recommendations*, not mandates. +All further mentions of locking are *recommendations*, not mandates. Each filesystem author must figure out the locking for themself. Bugs and Limitations |