Kirill A. Shutemov 09cbfeaf1a mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros ... PAGE_CACHE_{SIZE,SHIFT,MASK,ALIGN} macros were introduced *long* time ago with promise that one day it will be possible to implement page cache with bigger chunks than PAGE_SIZE. This promise never materialized. And unlikely will. We have many places where PAGE_CACHE_SIZE assumed to be equal to PAGE_SIZE. And it's constant source of confusion on whether PAGE_CACHE_* or PAGE_* constant should be used in a particular case, especially on the border between fs and mm. Global switching to PAGE_CACHE_SIZE != PAGE_SIZE would cause to much breakage to be doable. Let's stop pretending that pages in page cache are special. They are not. The changes are pretty straight-forward: - <foo> << (PAGE_CACHE_SHIFT - PAGE_SHIFT) -> <foo>; - <foo> >> (PAGE_CACHE_SHIFT - PAGE_SHIFT) -> <foo>; - PAGE_CACHE_{SIZE,SHIFT,MASK,ALIGN} -> PAGE_{SIZE,SHIFT,MASK,ALIGN}; - page_cache_get() -> get_page(); - page_cache_release() -> put_page(); This patch contains automated changes generated with coccinelle using script below. For some reason, coccinelle doesn't patch header files. I've called spatch for them manually. The only adjustment after coccinelle is revert of changes to PAGE_CAHCE_ALIGN definition: we are going to drop it later. There are few places in the code where coccinelle didn't reach. I'll fix them manually in a separate patch. Comments and documentation also will be addressed with the separate patch. virtual patch @@ expression E; @@ - E << (PAGE_CACHE_SHIFT - PAGE_SHIFT) + E @@ expression E; @@ - E >> (PAGE_CACHE_SHIFT - PAGE_SHIFT) + E @@ @@ - PAGE_CACHE_SHIFT + PAGE_SHIFT @@ @@ - PAGE_CACHE_SIZE + PAGE_SIZE @@ @@ - PAGE_CACHE_MASK + PAGE_MASK @@ expression E; @@ - PAGE_CACHE_ALIGN(E) + PAGE_ALIGN(E) @@ expression E; @@ - page_cache_get(E) + get_page(E) @@ expression E; @@ - page_cache_release(E) + put_page(E) Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2016-04-04 10:41:08 -07:00
..
balloc.c	udf: Factor out code for creating indirect extent	2015-12-23 18:04:52 +01:00
dir.c	udf: Use separate buffer for copying split names	2016-02-09 13:05:23 +01:00
directory.c	udf: remove redundant buffer_head.h includes	2015-03-14 07:54:02 +01:00
ecma_167.h	Remove struct typedefs from fs/udf/ecma_167.h et al.	2009-04-02 12:29:47 +02:00
file.c	mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros	2016-04-04 10:41:08 -07:00
ialloc.c	udf: saner calling conventions for udf_new_inode()	2014-09-04 21:37:41 +02:00
inode.c	mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros	2016-04-04 10:41:08 -07:00
Kconfig	udf: Update Kconfig description	2015-01-05 11:04:37 +01:00
lowlevel.c	udf: use linux/uaccess.h	2014-07-15 22:40:23 +02:00
Makefile	switch udf to simple_fsync()	2009-06-11 21:36:13 -04:00
misc.c	udf: remove redundant buffer_head.h includes	2015-03-14 07:54:02 +01:00
namei.c	udf: Use separate buffer for copying split names	2016-02-09 13:05:23 +01:00
osta_udf.h	Remove struct typedefs from fs/udf/ecma_167.h et al.	2009-04-02 12:29:47 +02:00
partition.c	udf: remove redundant buffer_head.h includes	2015-03-14 07:54:02 +01:00
super.c	udf: Remove struct ustr as non-needed intermediate storage	2016-02-09 13:05:23 +01:00
symlink.c	don't put symlink bodies in pagecache into highmem	2015-12-08 22:41:36 -05:00
truncate.c	udf: remove redundant buffer_head.h includes	2015-03-14 07:54:02 +01:00
udf_i.h	fs: cleanup slight list_entry abuse	2015-06-23 18:01:59 -04:00
udf_sb.h	udf: Fortify LVID loading	2013-09-24 11:23:33 +02:00
udfdecl.h	udf: Remove struct ustr as non-needed intermediate storage	2016-02-09 13:05:23 +01:00
udfend.h	Remove struct typedefs from fs/udf/ecma_167.h et al.	2009-04-02 12:29:47 +02:00
udftime.c	udf: remove redundant sys_tz declaration	2014-09-29 13:45:12 +02:00
unicode.c	udf: Merge linux specific translation into CS0 conversion function	2016-02-09 13:05:23 +01:00