diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2017-02-24 14:56:41 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-24 17:46:54 -0800 |
| commit | 11bac80004499ea59f361ef2a5516c84b6eab675 (patch) | |
| tree | b971df98b3fa9d4e62b8f4f7b5ec950181df4daa /drivers/staging | |
| parent | 374ad05ab64d696303cec5cc8ec3a65d457b7b1c (diff) | |
| download | linux-0-day-11bac80004499ea59f361ef2a5516c84b6eab675.tar.gz linux-0-day-11bac80004499ea59f361ef2a5516c84b6eab675.tar.xz | |
mm, fs: reduce fault, page_mkwrite, and pfn_mkwrite to take only vmf
->fault(), ->page_mkwrite(), and ->pfn_mkwrite() calls do not need to
take a vma and vmf parameter when the vma already resides in vmf.
Remove the vma parameter to simplify things.
[arnd@arndb.de: fix ARM build]
Link: http://lkml.kernel.org/r/20170125223558.1451224-1-arnd@arndb.de
Link: http://lkml.kernel.org/r/148521301778.19116.10840599906674778980.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/android/ion/ion.c | 6 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/llite_mmap.c | 7 | ||||
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/vvp_io.c | 2 |
3 files changed, 8 insertions, 7 deletions
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index 969600779e44d..2c3ffbcbd621a 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -870,9 +870,9 @@ static void ion_buffer_sync_for_device(struct ion_buffer *buffer, mutex_unlock(&buffer->lock); } -static int ion_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int ion_vm_fault(struct vm_fault *vmf) { - struct ion_buffer *buffer = vma->vm_private_data; + struct ion_buffer *buffer = vmf->vma->vm_private_data; unsigned long pfn; int ret; @@ -881,7 +881,7 @@ static int ion_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) BUG_ON(!buffer->pages || !buffer->pages[vmf->pgoff]); pfn = page_to_pfn(ion_buffer_page(buffer->pages[vmf->pgoff])); - ret = vm_insert_pfn(vma, vmf->address, pfn); + ret = vm_insert_pfn(vmf->vma, vmf->address, pfn); mutex_unlock(&buffer->lock); if (ret) return VM_FAULT_ERROR; diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c index 9afa6bec3e6f4..896196c74cd2b 100644 --- a/drivers/staging/lustre/lustre/llite/llite_mmap.c +++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c @@ -321,7 +321,7 @@ out: return fault_ret; } -static int ll_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +static int ll_fault(struct vm_fault *vmf) { int count = 0; bool printed = false; @@ -335,7 +335,7 @@ static int ll_fault(struct vm_area_struct *vma, struct vm_fault *vmf) set = cfs_block_sigsinv(sigmask(SIGKILL) | sigmask(SIGTERM)); restart: - result = ll_fault0(vma, vmf); + result = ll_fault0(vmf->vma, vmf); LASSERT(!(result & VM_FAULT_LOCKED)); if (result == 0) { struct page *vmpage = vmf->page; @@ -362,8 +362,9 @@ restart: return result; } -static int ll_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) +static int ll_page_mkwrite(struct vm_fault *vmf) { + struct vm_area_struct *vma = vmf->vma; int count = 0; bool printed = false; bool retry; diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c index 3e9cf710501b7..4c57755e06e75 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_io.c +++ b/drivers/staging/lustre/lustre/llite/vvp_io.c @@ -1014,7 +1014,7 @@ static int vvp_io_kernel_fault(struct vvp_fault_io *cfio) { struct vm_fault *vmf = cfio->ft_vmf; - cfio->ft_flags = filemap_fault(cfio->ft_vma, vmf); + cfio->ft_flags = filemap_fault(vmf); cfio->ft_flags_valid = 1; if (vmf->page) { |