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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-10 10:17:45 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-10 10:17:45 +0100 |
commit | 9c96f401e91a4358eb4a5e227c1521dea1c20127 (patch) | |
tree | e8a0b78324510ba6133c58cc05b2cb2f3876745e /include/linux/dax.h | |
parent | 1528e40fd7d382e9668d3a1876a83d30bb04d554 (diff) | |
parent | 40e020c129cfc991e8ab4736d2665351ffd1468d (diff) | |
download | linux-9c96f401e91a4358eb4a5e227c1521dea1c20127.tar.gz |
Merge 4.20-rc6 into tty-next
We want the TTY changes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/dax.h')
-rw-r--r-- | include/linux/dax.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h index 450b28db9533..0dd316a74a29 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -7,6 +7,8 @@ #include <linux/radix-tree.h> #include <asm/pgtable.h> +typedef unsigned long dax_entry_t; + struct iomap_ops; struct dax_device; struct dax_operations { @@ -88,8 +90,8 @@ int dax_writeback_mapping_range(struct address_space *mapping, struct block_device *bdev, struct writeback_control *wbc); struct page *dax_layout_busy_page(struct address_space *mapping); -bool dax_lock_mapping_entry(struct page *page); -void dax_unlock_mapping_entry(struct page *page); +dax_entry_t dax_lock_page(struct page *page); +void dax_unlock_page(struct page *page, dax_entry_t cookie); #else static inline bool bdev_dax_supported(struct block_device *bdev, int blocksize) @@ -122,14 +124,14 @@ static inline int dax_writeback_mapping_range(struct address_space *mapping, return -EOPNOTSUPP; } -static inline bool dax_lock_mapping_entry(struct page *page) +static inline dax_entry_t dax_lock_page(struct page *page) { if (IS_DAX(page->mapping->host)) - return true; - return false; + return ~0UL; + return 0; } -static inline void dax_unlock_mapping_entry(struct page *page) +static inline void dax_unlock_page(struct page *page, dax_entry_t cookie) { } #endif |