Messages in this thread Patch in this message | | | From | Vishal Verma <> | Subject | [PATCH v3 7/7] dax: fix a comment in dax_zero_page_range and dax_truncate_page | Date | Sat, 23 Apr 2016 13:13:42 -0600 |
| |
The distinction between PAGE_SIZE and PAGE_CACHE_SIZE was removed in
09cbfea mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
The comments for the above functions described a distinction between those, that is now redundant, so remove those paragraphs
Cc: Matthew Wilcox <matthew.r.wilcox@intel.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> --- fs/dax.c | 12 ------------ 1 file changed, 12 deletions(-)
diff --git a/fs/dax.c b/fs/dax.c index d8c974e..b8fa85a 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -1221,12 +1221,6 @@ static bool dax_range_is_aligned(struct block_device *bdev, * page in a DAX file. This is intended for hole-punch operations. If * you are truncating a file, the helper function dax_truncate_page() may be * more convenient. - * - * We work in terms of PAGE_SIZE here for commonality with - * block_truncate_page(), but we could go down to PAGE_SIZE if the filesystem - * took care of disposing of the unnecessary blocks. Even if the filesystem - * block size is smaller than PAGE_SIZE, we have to zero the rest of the page - * since the file might be mmapped. */ int dax_zero_page_range(struct inode *inode, loff_t from, unsigned length, get_block_t get_block) @@ -1279,12 +1273,6 @@ EXPORT_SYMBOL_GPL(dax_zero_page_range); * * Similar to block_truncate_page(), this function can be called by a * filesystem when it is truncating a DAX file to handle the partial page. - * - * We work in terms of PAGE_SIZE here for commonality with - * block_truncate_page(), but we could go down to PAGE_SIZE if the filesystem - * took care of disposing of the unnecessary blocks. Even if the filesystem - * block size is smaller than PAGE_SIZE, we have to zero the rest of the page - * since the file might be mmapped. */ int dax_truncate_page(struct inode *inode, loff_t from, get_block_t get_block) { -- 2.5.5
| |