b1ee363675
Updating code base on PR code comments. I adjusted the following parts of the code base on the comments: 1. Updated zfs_check_direct_enabled() so it now just returns an error. This removed the need for the added enum and cleaned up the code. 2. Moved acquiring the rangelock from zfs_fillpage() out to zfs_getpage(). This cleans up the code and gets rid of the need to pass a boolean into zfs_fillpage() to conditionally gra the rangelock. 3. Cleaned up the code in both zfs_uio_get_dio_pages() and zfs_uio_get_dio_pages_iov(). There was no need to have wanted and maxsize as they were the same thing. Also, since the previous commit cleaned up the call to zfs_uio_iov_step() the code is much cleaner over all. 4. Removed dbuf_get_dirty_direct() function. 5. Unified dbuf_read() to account for both block clones and direct I/O writes. This removes redundant code from dbuf_read_impl() for grabbingthe BP. 6. Removed zfs_map_page() and zfs_unmap_page() declarations from Linux headers as those were never called. Signed-off-by: Brian Atkinson <batkinson@lanl.gov> |
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