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libnvdimm fix 5.9-rc7

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- Fix compilation for the new dax_supported() exported helper
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Merge tag 'libnvdimm-fixes-5.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm fix from Dan Williams:
 "Fix compilation for the new dax_supported() exported helper"

* tag 'libnvdimm-fixes-5.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  dax: Fix compilation for CONFIG_DAX && !CONFIG_FS_DAX
This commit is contained in:
Linus Torvalds 2020-09-21 08:46:20 -07:00
commit a31128384d
1 changed files with 8 additions and 9 deletions
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17
include/linux/dax.h
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@ -58,6 +58,8 @@ static inline void set_dax_synchronous(struct dax_device *dax_dev)
{ {
__set_dax_synchronous(dax_dev); __set_dax_synchronous(dax_dev);
} }
bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
int blocksize, sector_t start, sector_t len);
/* /*
* Check if given mapping is supported by the file / underlying device. * Check if given mapping is supported by the file / underlying device.
*/ */
@ -104,6 +106,12 @@ static inline bool dax_synchronous(struct dax_device *dax_dev)
static inline void set_dax_synchronous(struct dax_device *dax_dev) static inline void set_dax_synchronous(struct dax_device *dax_dev)
{ {
} }
static inline bool dax_supported(struct dax_device *dax_dev,
struct block_device *bdev, int blocksize, sector_t start,
sector_t len)
{
return false;
}
static inline bool daxdev_mapping_supported(struct vm_area_struct *vma, static inline bool daxdev_mapping_supported(struct vm_area_struct *vma,
struct dax_device *dax_dev) struct dax_device *dax_dev)
{ {
@ -130,8 +138,6 @@ static inline bool generic_fsdax_supported(struct dax_device *dax_dev,
return __generic_fsdax_supported(dax_dev, bdev, blocksize, start, return __generic_fsdax_supported(dax_dev, bdev, blocksize, start,
sectors); sectors);
} }
bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
int blocksize, sector_t start, sector_t len);
static inline void fs_put_dax(struct dax_device *dax_dev) static inline void fs_put_dax(struct dax_device *dax_dev)
{ {
@ -159,13 +165,6 @@ static inline bool generic_fsdax_supported(struct dax_device *dax_dev,
return false; return false;
} }
static inline bool dax_supported(struct dax_device *dax_dev,
struct block_device *bdev, int blocksize, sector_t start,
sector_t len)
{
return false;
}
static inline void fs_put_dax(struct dax_device *dax_dev) static inline void fs_put_dax(struct dax_device *dax_dev)
{ {
} }