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authorRoss Zwisler <ross.zwisler@linux.intel.com>2016-02-05 15:36:08 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-02-05 18:10:40 -0800
commit9c5a05bc350c29285a89d6e1f3b68c8c7f308207 (patch)
tree008d10ead8e0106b98a75b00ee2bdf477575c6bd /MAINTAINERS
parent823dd3224a07f618d652a7743c9603222d019de3 (diff)
block: fix pfn_mkwrite() DAX fault handler
Previously the pfn_mkwrite() fault handler for raw block devices called bldev_dax_fault() -> __dax_fault() to do a full DAX page fault. Really what the pfn_mkwrite() fault handler needs to do is call dax_pfn_mkwrite() to make sure that the radix tree entry for the given PTE is marked as dirty so that a follow-up fsync or msync call will flush it durably to media. Fixes: 5a023cdba50c ("block: enable dax for raw block devices") Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Chinner <david@fromorbit.com> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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