Linus Torvalds 315227f6da DAX error handling for 4.7 ... - Until now, dax has been disabled if media errors were found on any device. This enables the use of DAX in the presence of these errors by making all sector-aligned zeroing go through the driver. - The driver (already) has the ability to clear errors on writes that are sent through the block layer using 'DSMs' defined in ACPI 6.1. Other misc changes: - When mounting DAX filesystems, check to make sure the partition is page aligned. This is a requirement for DAX, and previously, we allowed such unaligned mounts to succeed, but subsequent reads/writes would fail. - Misc/cleanup fixes from Jan that remove unused code from DAX related to zeroing, writeback, and some size checks. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJXQ4GKAAoJEHr6Yb6juE3/zowP/iclIhgXXXMQJRUHJlePMXC8 15sGZ32JS1ak9g7vrsmNVEDNynfNtiMYdBxtUyRuj6xqgwdZvFk3F55KOCPtaeA1 +yADkgeRkTAcwzmHw9WQVEzBCqyzSisdrwtEfH817qdq9FJdH66x2Kos6i+HeAVr 5Q/e4gs7lKrjf384/QBl+wxNZOndJaQAPd2VRHQqx2A9F33v0ljdwRaUG1r4fjK2 dtmhcZCqdQyuAGXW3piTnZc5ZFc3DPqO4FkEfqkEK3lFOflK0fd8wMsAZRp/Jd0j GJsgnVSWSqG0Dz476djlG0w8t2p5Jv1g9cKChV+ZZEdFLKWHCOUFqXNj8uI8I4k5 cOEKCHyJ3IwfSHhNQqktEWrQN4T8ZXhWtuc9GuV4UZYuqJqHci6EdR/YsWsJjV+L lm/qvK4ipDS1pivxOy8KX/iN0z7Io8J9GXpStDx3g8iWjLlh4YYlbJLWeeRepo/z aPlV/QAKcHiGY6jzLExrZIyCWkzwo6O+0p1Kxerv9/7K/32HWbOodZ+tC8eD+N25 pV69nCGf+u50T2TtIx1+iann4NC1r7zg5yqnT9AgpyZpiwR5joCDzI5sXW+D0rcS vPtfM84Ccdeq/e6mvfIpZgR0/npQapKnrmUest0J7P2BFPHiFPji1KzZ7M+1aFOo 9R6JdrAj0Sc+FBa+cGzH =v6Of -----END PGP SIGNATURE----- Merge tag 'dax-misc-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull misc DAX updates from Vishal Verma: "DAX error handling for 4.7 - Until now, dax has been disabled if media errors were found on any device. This enables the use of DAX in the presence of these errors by making all sector-aligned zeroing go through the driver. - The driver (already) has the ability to clear errors on writes that are sent through the block layer using 'DSMs' defined in ACPI 6.1. Other misc changes: - When mounting DAX filesystems, check to make sure the partition is page aligned. This is a requirement for DAX, and previously, we allowed such unaligned mounts to succeed, but subsequent reads/writes would fail. - Misc/cleanup fixes from Jan that remove unused code from DAX related to zeroing, writeback, and some size checks" * tag 'dax-misc-for-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: dax: fix a comment in dax_zero_page_range and dax_truncate_page dax: for truncate/hole-punch, do zeroing through the driver if possible dax: export a low-level __dax_zero_page_range helper dax: use sb_issue_zerout instead of calling dax_clear_sectors dax: enable dax in the presence of known media errors (badblocks) dax: fallback from pmd to pte on error block: Update blkdev_dax_capable() for consistency xfs: Add alignment check for DAX mount ext2: Add alignment check for DAX mount ext4: Add alignment check for DAX mount block: Add bdev_dax_supported() for dax mount checks block: Add vfs_msg() interface dax: Remove redundant inode size checks dax: Remove pointless writeback from dax_do_io() dax: Remove zeroing from dax_io() dax: Remove dead zeroing code from fault handlers ext2: Avoid DAX zeroing to corrupt data ext2: Fix block zeroing in ext2_get_blocks() for DAX dax: Remove complete_unwritten argument DAX: move RADIX_DAX_ definitions to dax.c		2016-05-26 19:34:26 -07:00
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block	DAX error handling for 4.7	2016-05-26 19:34:26 -07:00
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cio
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Makefile