From b9af471c9ffa2cd8b537c4f391f5b198d7812599 Mon Sep 17 00:00:00 2001 From: Joe Gorse Date: Thu, 9 Jun 2016 14:11:23 -0400 Subject: [PATCH 5/5] Linux 4.6: rm PAGE_CACHE_* and page_cache_{get,release} macros This is an automatic patch generated by Coccinelle (spatch) from: https://github.com/torvalds/linux/commit/09cbfeaf1a5a67bfb3201e0c83c810cecb2efa5a The spatch used: @@ 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) Change-Id: Iabe29b1349ab44282c66c86eced9e5b2056c9efb --- src/afs/LINUX/osi_compat.h | 2 +- src/afs/LINUX/osi_pagecopy.c | 12 ++++++------ src/afs/LINUX/osi_vnodeops.c | 42 +++++++++++++++++++++--------------------- 3 files changed, 28 insertions(+), 28 deletions(-) diff --git a/src/afs/LINUX/osi_compat.h b/src/afs/LINUX/osi_compat.h index 5268e7e..0596273 100644 --- a/src/afs/LINUX/osi_compat.h +++ b/src/afs/LINUX/osi_compat.h @@ -274,7 +274,7 @@ afs_linux_cred_is_current(afs_ucred_t *cred) static inline loff_t page_offset(struct page *pp) { - return (((loff_t) pp->index) << PAGE_CACHE_SHIFT); + return (((loff_t) pp->index) << PAGE_SHIFT); } #endif diff --git a/src/afs/LINUX/osi_pagecopy.c b/src/afs/LINUX/osi_pagecopy.c index 4829832..7142a1b 100644 --- a/src/afs/LINUX/osi_pagecopy.c +++ b/src/afs/LINUX/osi_pagecopy.c @@ -116,9 +116,9 @@ void afs_pagecopy_queue_page(struct afs_pagecopy_task *task, page = kzalloc(sizeof(struct afs_pagecopy_page), GFP_NOFS); INIT_LIST_HEAD(&page->tasklink); - page_cache_get(cachepage); + get_page(cachepage); page->cachepage = cachepage; - page_cache_get(afspage); + get_page(afspage); page->afspage = afspage; spin_lock(&task->lock); @@ -159,7 +159,7 @@ static struct page * afs_pagecopy_checkworkload(void) { if (!schedule_work(&task->work)) atomic_dec(&task->refcnt); } else if (!sleeppage) { - page_cache_get(page->cachepage); + get_page(page->cachepage); sleeppage = page->cachepage; } } @@ -205,8 +205,8 @@ static void afs_pagecopy_worker(struct work_struct *work) SetPageUptodate(page->afspage); } unlock_page(page->afspage); - page_cache_release(page->cachepage); - page_cache_release(page->afspage); + put_page(page->cachepage); + put_page(page->afspage); kfree(page); spin_lock(&task->lock); @@ -224,7 +224,7 @@ static int afs_pagecopy_thread(void *unused) { sleeppage = afs_pagecopy_checkworkload(); if (sleeppage) { wait_on_page_locked(sleeppage); - page_cache_release(sleeppage); + put_page(sleeppage); } else { break; } diff --git a/src/afs/LINUX/osi_vnodeops.c b/src/afs/LINUX/osi_vnodeops.c index 2696b48..86a9668 100644 --- a/src/afs/LINUX/osi_vnodeops.c +++ b/src/afs/LINUX/osi_vnodeops.c @@ -1984,7 +1984,7 @@ afs_linux_read_cache(struct file *cachefp, struct page *page, /* If we're trying to read a page that's past the end of the disk * cache file, then just return a zeroed page */ if (AFS_CHUNKOFFSET(offset) >= i_size_read(cacheinode)) { - zero_user_segment(page, 0, PAGE_CACHE_SIZE); + zero_user_segment(page, 0, PAGE_SIZE); SetPageUptodate(page); if (task) unlock_page(page); @@ -1993,7 +1993,7 @@ afs_linux_read_cache(struct file *cachefp, struct page *page, /* From our offset, we now need to work out which page in the disk * file it corresponds to. This will be fun ... */ - pageindex = (offset - AFS_CHUNKTOBASE(chunk)) >> PAGE_CACHE_SHIFT; + pageindex = (offset - AFS_CHUNKTOBASE(chunk)) >> PAGE_SHIFT; while (cachepage == NULL) { cachepage = find_get_page(cachemapping, pageindex); @@ -2011,12 +2011,12 @@ afs_linux_read_cache(struct file *cachefp, struct page *page, cachepage = newpage; newpage = NULL; - page_cache_get(cachepage); + get_page(cachepage); if (!pagevec_add(lrupv, cachepage)) __pagevec_lru_add_file(lrupv); } else { - page_cache_release(newpage); + put_page(newpage); newpage = NULL; if (code != -EEXIST) goto out; @@ -2057,7 +2057,7 @@ afs_linux_read_cache(struct file *cachefp, struct page *page, out: if (cachepage) - page_cache_release(cachepage); + put_page(cachepage); return code; } @@ -2328,7 +2328,7 @@ afs_linux_bypass_readpages(struct file *fp, struct address_space *mapping, /* If we allocate a page and don't remove it from page_list, * the page cache gets upset. */ list_del(&pp->lru); - isize = (i_size_read(fp->f_mapping->host) - 1) >> PAGE_CACHE_SHIFT; + isize = (i_size_read(fp->f_mapping->host) - 1) >> PAGE_SHIFT; if(pp->index > isize) { if(PageLocked(pp)) unlock_page(pp); @@ -2345,7 +2345,7 @@ afs_linux_bypass_readpages(struct file *fp, struct address_space *mapping, if(base_index != pp->index) { if(PageLocked(pp)) unlock_page(pp); - page_cache_release(pp); + put_page(pp); iovecp[page_ix].iov_base = (void *) 0; base_index++; ancr->length -= PAGE_SIZE; @@ -2355,7 +2355,7 @@ afs_linux_bypass_readpages(struct file *fp, struct address_space *mapping, if(code) { if(PageLocked(pp)) unlock_page(pp); - page_cache_release(pp); + put_page(pp); iovecp[page_ix].iov_base = (void *) 0; } else { page_count++; @@ -2415,7 +2415,7 @@ afs_linux_bypass_readpage(struct file *fp, struct page *pp) * it as up to date. */ if (page_offset(pp) >= i_size_read(fp->f_mapping->host)) { - zero_user_segment(pp, 0, PAGE_CACHE_SIZE); + zero_user_segment(pp, 0, PAGE_SIZE); SetPageUptodate(pp); unlock_page(pp); return 0; @@ -2576,13 +2576,13 @@ afs_linux_readpages(struct file *fp, struct address_space *mapping, if (tdc && !add_to_page_cache(page, mapping, page->index, GFP_KERNEL)) { - page_cache_get(page); + get_page(page); if (!pagevec_add(&lrupv, page)) __pagevec_lru_add_file(&lrupv); afs_linux_read_cache(cacheFp, page, tdc->f.chunk, &lrupv, task); } - page_cache_release(page); + put_page(page); } if (pagevec_count(&lrupv)) __pagevec_lru_add_file(&lrupv); @@ -2763,7 +2763,7 @@ afs_linux_writepage(struct page *pp) struct inode *inode; struct vcache *vcp; cred_t *credp; - unsigned int to = PAGE_CACHE_SIZE; + unsigned int to = PAGE_SIZE; loff_t isize; int code = 0; int code1 = 0; @@ -2773,7 +2773,7 @@ afs_linux_writepage(struct page *pp) /* XXX - Do we need to redirty the page here? */ } - page_cache_get(pp); + get_page(pp); inode = mapping->host; vcp = VTOAFS(inode); @@ -2842,7 +2842,7 @@ afs_linux_writepage(struct page *pp) done: end_page_writeback(pp); - page_cache_release(pp); + put_page(pp); if (code1) return code1; @@ -2931,10 +2931,10 @@ afs_linux_prepare_write(struct file *file, struct page *page, unsigned from, /* Is the location we are writing to beyond the end of the file? */ if (pagebase >= isize || ((from == 0) && (pagebase + to) >= isize)) { - zero_user_segments(page, 0, from, to, PAGE_CACHE_SIZE); + zero_user_segments(page, 0, from, to, PAGE_SIZE); SetPageChecked(page); /* Are we we writing a full page */ - } else if (from == 0 && to == PAGE_CACHE_SIZE) { + } else if (from == 0 && to == PAGE_SIZE) { SetPageChecked(page); /* Is the page readable, if it's wronly, we don't care, because we're * not actually going to read from it ... */ @@ -2955,12 +2955,12 @@ afs_linux_write_end(struct file *file, struct address_space *mapping, struct page *page, void *fsdata) { int code; - unsigned int from = pos & (PAGE_CACHE_SIZE - 1); + unsigned int from = pos & (PAGE_SIZE - 1); code = afs_linux_commit_write(file, page, from, from + len); unlock_page(page); - page_cache_release(page); + put_page(page); return code; } @@ -2970,8 +2970,8 @@ afs_linux_write_begin(struct file *file, struct address_space *mapping, struct page **pagep, void **fsdata) { struct page *page; - pgoff_t index = pos >> PAGE_CACHE_SHIFT; - unsigned int from = pos & (PAGE_CACHE_SIZE - 1); + pgoff_t index = pos >> PAGE_SHIFT; + unsigned int from = pos & (PAGE_SIZE - 1); int code; page = grab_cache_page_write_begin(mapping, index, flags); @@ -2980,7 +2980,7 @@ afs_linux_write_begin(struct file *file, struct address_space *mapping, code = afs_linux_prepare_write(file, page, from, from + len); if (code) { unlock_page(page); - page_cache_release(page); + put_page(page); } return code; -- 2.8.3