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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-23 22:13:56 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-23 22:13:56 +0300 |
| commit | 20c759ca98468d96d1fff8bd5e6753f458dbbfbd (patch) | |
| tree | 202bb6951fcb6857128d96154bcde1bddbb22316 /include/linux/dax.h | |
| parent | b82dde0230439215b55e545880e90337ee16f51a (diff) | |
| parent | 114bf37e04d839b555b3dc460b5e6ce156f49cf0 (diff) | |
| download | linux-20c759ca98468d96d1fff8bd5e6753f458dbbfbd.tar.xz | |
Merge branch 'akpm' (patches from Andrew)
Merge small final update from Andrew Morton:
- DAX feature work: add fsync/msync support
- kfree cleanup, MAINTAINERS update
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
MAINTAINERS: return arch/sh to maintained state, with new maintainers
tree wide: use kvfree() than conditional kfree()/vfree()
dax: never rely on bh.b_dev being set by get_block()
xfs: call dax_pfn_mkwrite() for DAX fsync/msync
ext4: call dax_pfn_mkwrite() for DAX fsync/msync
ext2: call dax_pfn_mkwrite() for DAX fsync/msync
dax: add support for fsync/sync
mm: add find_get_entries_tag()
dax: support dirty DAX entries in radix tree
pmem: add wb_cache_pmem() to the PMEM API
dax: fix conversion of holes to PMDs
dax: fix NULL pointer dereference in __dax_dbg()
Diffstat (limited to 'include/linux/dax.h')
| -rw-r--r-- | include/linux/dax.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h index b415e521528d..8204c3dc3800 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -36,4 +36,11 @@ static inline bool vma_is_dax(struct vm_area_struct *vma) { return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host); } + +static inline bool dax_mapping(struct address_space *mapping) +{ + return mapping->host && IS_DAX(mapping->host); +} +int dax_writeback_mapping_range(struct address_space *mapping, loff_t start, + loff_t end); #endif |