diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2017-02-22 15:40:03 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-22 16:41:26 -0800 |
| commit | d8a849e1bc123790bbbf1facba94452a3aef5736 (patch) | |
| tree | a336efef8f1f4bb69f3366e45fc5400a2c48573d /include | |
| parent | 27a7ffaccd915675c88045ba83493804a0267ab7 (diff) | |
mm, dax: make pmd_fault() and friends be the same as fault()
Instead of passing in multiple parameters in the pmd_fault() handler,
a vmf can be passed in just like a fault() handler. This will simplify
code and remove the need for the actual pmd fault handlers to allocate a
vmf. Related functions are also modified to do the same.
[dave.jiang@intel.com: fix issue with xfs_tests stall when DAX option is off]
Link: http://lkml.kernel.org/r/148469861071.195597.3619476895250028518.stgit@djiang5-desk3.ch.intel.com
Link: http://lkml.kernel.org/r/1484085142-2297-7-git-send-email-ross.zwisler@linux.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/dax.h | 7 | ||||
| -rw-r--r-- | include/linux/mm.h | 3 | ||||
| -rw-r--r-- | include/trace/events/fs_dax.h | 15 |
3 files changed, 11 insertions, 14 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h index 24ad71173995..a829fee2b42b 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -71,16 +71,15 @@ static inline unsigned int dax_radix_order(void *entry) return PMD_SHIFT - PAGE_SHIFT; return 0; } -int dax_iomap_pmd_fault(struct vm_area_struct *vma, unsigned long address, - pmd_t *pmd, unsigned int flags, struct iomap_ops *ops); +int dax_iomap_pmd_fault(struct vm_area_struct *vma, struct vm_fault *vmf, + struct iomap_ops *ops); #else static inline unsigned int dax_radix_order(void *entry) { return 0; } static inline int dax_iomap_pmd_fault(struct vm_area_struct *vma, - unsigned long address, pmd_t *pmd, unsigned int flags, - struct iomap_ops *ops) + struct vm_fault *vmf, struct iomap_ops *ops) { return VM_FAULT_FALLBACK; } diff --git a/include/linux/mm.h b/include/linux/mm.h index d22f7837ad90..0961e95e904e 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -351,8 +351,7 @@ struct vm_operations_struct { void (*close)(struct vm_area_struct * area); int (*mremap)(struct vm_area_struct * area); int (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf); - int (*pmd_fault)(struct vm_area_struct *, unsigned long address, - pmd_t *, unsigned int flags); + int (*pmd_fault)(struct vm_area_struct *vma, struct vm_fault *vmf); void (*map_pages)(struct vm_fault *vmf, pgoff_t start_pgoff, pgoff_t end_pgoff); diff --git a/include/trace/events/fs_dax.h b/include/trace/events/fs_dax.h index c3b0aae216dc..a98665bfb38f 100644 --- a/include/trace/events/fs_dax.h +++ b/include/trace/events/fs_dax.h @@ -8,9 +8,8 @@ DECLARE_EVENT_CLASS(dax_pmd_fault_class, TP_PROTO(struct inode *inode, struct vm_area_struct *vma, - unsigned long address, unsigned int flags, pgoff_t pgoff, - pgoff_t max_pgoff, int result), - TP_ARGS(inode, vma, address, flags, pgoff, max_pgoff, result), + struct vm_fault *vmf, pgoff_t max_pgoff, int result), + TP_ARGS(inode, vma, vmf, max_pgoff, result), TP_STRUCT__entry( __field(unsigned long, ino) __field(unsigned long, vm_start) @@ -29,9 +28,9 @@ DECLARE_EVENT_CLASS(dax_pmd_fault_class, __entry->vm_start = vma->vm_start; __entry->vm_end = vma->vm_end; __entry->vm_flags = vma->vm_flags; - __entry->address = address; - __entry->flags = flags; - __entry->pgoff = pgoff; + __entry->address = vmf->address; + __entry->flags = vmf->flags; + __entry->pgoff = vmf->pgoff; __entry->max_pgoff = max_pgoff; __entry->result = result; ), @@ -54,9 +53,9 @@ DECLARE_EVENT_CLASS(dax_pmd_fault_class, #define DEFINE_PMD_FAULT_EVENT(name) \ DEFINE_EVENT(dax_pmd_fault_class, name, \ TP_PROTO(struct inode *inode, struct vm_area_struct *vma, \ - unsigned long address, unsigned int flags, pgoff_t pgoff, \ + struct vm_fault *vmf, \ pgoff_t max_pgoff, int result), \ - TP_ARGS(inode, vma, address, flags, pgoff, max_pgoff, result)) + TP_ARGS(inode, vma, vmf, max_pgoff, result)) DEFINE_PMD_FAULT_EVENT(dax_pmd_fault); DEFINE_PMD_FAULT_EVENT(dax_pmd_fault_done); |