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| author | David S. Miller <davem@davemloft.net> | 2016-01-15 18:36:23 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-01-15 18:36:23 -0500 |
| commit | 7a26019fdecdb45ff784ae4e3b7e0cc9045100ca (patch) | |
| tree | 511474baafa5b5c0b072e88feaa6bb405724b34f /include/linux/fs.h | |
| parent | 725da8dee445662beea77d3f42c3f4c79f7a7a0e (diff) | |
| parent | 4e5448a31d73d0e944b7adb9049438a09bc332cb (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 731262c3fbb7..eb73d74ed992 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -483,6 +483,9 @@ struct block_device { int bd_fsfreeze_count; /* Mutex for freeze */ struct mutex bd_fsfreeze_mutex; +#ifdef CONFIG_FS_DAX + int bd_map_count; +#endif }; /* @@ -2280,6 +2283,14 @@ extern struct super_block *freeze_bdev(struct block_device *); extern void emergency_thaw_all(void); extern int thaw_bdev(struct block_device *bdev, struct super_block *sb); extern int fsync_bdev(struct block_device *); +#ifdef CONFIG_FS_DAX +extern bool blkdev_dax_capable(struct block_device *bdev); +#else +static inline bool blkdev_dax_capable(struct block_device *bdev) +{ + return false; +} +#endif extern struct super_block *blockdev_superblock; |