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| 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/video | |
| parent | 374ad05ab64d696303cec5cc8ec3a65d457b7b1c (diff) | |
| download | linux-stable-11bac80004499ea59f361ef2a5516c84b6eab675.tar.gz linux-stable-11bac80004499ea59f361ef2a5516c84b6eab675.tar.bz2 linux-stable-11bac80004499ea59f361ef2a5516c84b6eab675.zip | |
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/video')
| -rw-r--r-- | drivers/video/fbdev/core/fb_defio.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 74b5bcac8bf2..37f69c061210 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -37,12 +37,11 @@ static struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs } /* this is to find and return the vmalloc-ed fb pages */ -static int fb_deferred_io_fault(struct vm_area_struct *vma, - struct vm_fault *vmf) +static int fb_deferred_io_fault(struct vm_fault *vmf) { unsigned long offset; struct page *page; - struct fb_info *info = vma->vm_private_data; + struct fb_info *info = vmf->vma->vm_private_data; offset = vmf->pgoff << PAGE_SHIFT; if (offset >= info->fix.smem_len) @@ -54,8 +53,8 @@ static int fb_deferred_io_fault(struct vm_area_struct *vma, get_page(page); - if (vma->vm_file) - page->mapping = vma->vm_file->f_mapping; + if (vmf->vma->vm_file) + page->mapping = vmf->vma->vm_file->f_mapping; else printk(KERN_ERR "no mapping available\n"); @@ -91,11 +90,10 @@ int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasy EXPORT_SYMBOL_GPL(fb_deferred_io_fsync); /* vm_ops->page_mkwrite handler */ -static int fb_deferred_io_mkwrite(struct vm_area_struct *vma, - struct vm_fault *vmf) +static int fb_deferred_io_mkwrite(struct vm_fault *vmf) { struct page *page = vmf->page; - struct fb_info *info = vma->vm_private_data; + struct fb_info *info = vmf->vma->vm_private_data; struct fb_deferred_io *fbdefio = info->fbdefio; struct page *cur; @@ -105,7 +103,7 @@ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma, deferred framebuffer IO. then if userspace touches a page again, we repeat the same scheme */ - file_update_time(vma->vm_file); + file_update_time(vmf->vma->vm_file); /* protect against the workqueue changing the page list */ mutex_lock(&fbdefio->lock); |