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On some architectures do_div does the pointer compare trick to make sure that we've sent it an unsigned 64-bit number. (Why unsigned? I don't know.) Fix up the few places that squawk about this; in xfs_bmap_wants_extents() we just used a bare int64_t so change that to unsigned. In xfs_adjust_extent_unmap_boundaries() all we wanted was the mod, and we have an xfs-specific function to handle that w/o side effects, which includes proper casting for do_div. In xfs_daddr_to_ag[b]no, we were using the wrong type anyway; XFS_BB_TO_FSBT returns a block in the filesystem, so use xfs_rfsblock_t not xfs_daddr_t, and gain the unsignedness from that type as a bonus. Signed-off-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> |
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| fs | ||
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| kernel | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.