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authorDmitry Safonov <dima@arista.com>2020-12-15 06:08:17 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-15 23:13:41 +0300
commitdd3b614f858d88f33e0cf8b7353e2ad937e71da3 (patch)
tree38342e1136cdddec10974f81a5a34237525b54f6 /drivers/dax/device.c
parentcd544fd1dc9293c6702fab6effa63dac1cc67e99 (diff)
downloadlinux-dd3b614f858d88f33e0cf8b7353e2ad937e71da3.tar.xz
vm_ops: rename .split() callback to .may_split()
Rename the callback to reflect that it's not called *on* or *after* split, but rather some time before the splitting to check if it's possible. Link: https://lkml.kernel.org/r/20201013013416.390574-5-dima@arista.com Signed-off-by: Dmitry Safonov <dima@arista.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andy Lutomirski <luto@kernel.org> Cc: Brian Geffon <bgeffon@google.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Hugh Dickins <hughd@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: John Hubbard <jhubbard@nvidia.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/dax/device.c')
-rw-r--r--drivers/dax/device.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index 25e0b84a4296..5da2980bb16b 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -256,7 +256,7 @@ static vm_fault_t dev_dax_fault(struct vm_fault *vmf)
return dev_dax_huge_fault(vmf, PE_SIZE_PTE);
}
-static int dev_dax_split(struct vm_area_struct *vma, unsigned long addr)
+static int dev_dax_may_split(struct vm_area_struct *vma, unsigned long addr)
{
struct file *filp = vma->vm_file;
struct dev_dax *dev_dax = filp->private_data;
@@ -277,7 +277,7 @@ static unsigned long dev_dax_pagesize(struct vm_area_struct *vma)
static const struct vm_operations_struct dax_vm_ops = {
.fault = dev_dax_fault,
.huge_fault = dev_dax_huge_fault,
- .split = dev_dax_split,
+ .may_split = dev_dax_may_split,
.pagesize = dev_dax_pagesize,
};