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[PATCH] md: clean up 'page' related names in md

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Substitute:

  page_cache_get -> get_page
  page_cache_release -> put_page
  PAGE_CACHE_SHIFT -> PAGE_SHIFT
  PAGE_CACHE_SIZE -> PAGE_SIZE
  PAGE_CACHE_MASK -> PAGE_MASK
  __free_page -> put_page

because we aren't using the page cache, we are just using pages.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown
2006-01-06 00:20:31 -08:00
committed by Linus Torvalds
parent d7603b7e3a
commit 2d1f3b5d1b
7 changed files with 38 additions and 38 deletions
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44
drivers/md/bitmap.c
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@@ -341,7 +341,7 @@ static int write_page(struct bitmap *bitmap, struct page *page, int wait)
/* add to list to be waited for by daemon */
struct page_list *item = mempool_alloc(bitmap->write_pool, GFP_NOIO);
item->page = page;
page_cache_get(page);
get_page(page);
spin_lock(&bitmap->write_lock);
list_add(&item->list, &bitmap->complete_pages);
spin_unlock(&bitmap->write_lock);
@@ -357,10 +357,10 @@ static struct page *read_page(struct file *file, unsigned long index,
struct inode *inode = file->f_mapping->host;
struct page *page = NULL;
loff_t isize = i_size_read(inode);
unsigned long end_index = isize >> PAGE_CACHE_SHIFT;
unsigned long end_index = isize >> PAGE_SHIFT;
PRINTK("read bitmap file (%dB @ %Lu)\n", (int)PAGE_CACHE_SIZE,
(unsigned long long)index << PAGE_CACHE_SHIFT);
PRINTK("read bitmap file (%dB @ %Lu)\n", (int)PAGE_SIZE,
(unsigned long long)index << PAGE_SHIFT);
page = read_cache_page(inode->i_mapping, index,
(filler_t *)inode->i_mapping->a_ops->readpage, file);
@@ -368,7 +368,7 @@ static struct page *read_page(struct file *file, unsigned long index,
goto out;
wait_on_page_locked(page);
if (!PageUptodate(page) || PageError(page)) {
page_cache_release(page);
put_page(page);
page = ERR_PTR(-EIO);
goto out;
}
@@ -376,14 +376,14 @@ static struct page *read_page(struct file *file, unsigned long index,
if (index > end_index) /* we have read beyond EOF */
*bytes_read = 0;
else if (index == end_index) /* possible short read */
*bytes_read = isize & ~PAGE_CACHE_MASK;
*bytes_read = isize & ~PAGE_MASK;
else
*bytes_read = PAGE_CACHE_SIZE; /* got a full page */
*bytes_read = PAGE_SIZE; /* got a full page */
out:
if (IS_ERR(page))
printk(KERN_ALERT "md: bitmap read error: (%dB @ %Lu): %ld\n",
(int)PAGE_CACHE_SIZE,
(unsigned long long)index << PAGE_CACHE_SHIFT,
(int)PAGE_SIZE,
(unsigned long long)index << PAGE_SHIFT,
PTR_ERR(page));
return page;
}
@@ -558,7 +558,7 @@ static void bitmap_mask_state(struct bitmap *bitmap, enum bitmap_state bits,
spin_unlock_irqrestore(&bitmap->lock, flags);
return;
}
page_cache_get(bitmap->sb_page);
get_page(bitmap->sb_page);
spin_unlock_irqrestore(&bitmap->lock, flags);
sb = (bitmap_super_t *)kmap(bitmap->sb_page);
switch (op) {
@@ -569,7 +569,7 @@ static void bitmap_mask_state(struct bitmap *bitmap, enum bitmap_state bits,
default: BUG();
}
kunmap(bitmap->sb_page);
page_cache_release(bitmap->sb_page);
put_page(bitmap->sb_page);
}
/*
@@ -622,12 +622,12 @@ static void bitmap_file_unmap(struct bitmap *bitmap)
while (pages--)
if (map[pages]->index != 0) /* 0 is sb_page, release it below */
page_cache_release(map[pages]);
put_page(map[pages]);
kfree(map);
kfree(attr);
if (sb_page)
page_cache_release(sb_page);
put_page(sb_page);
}
static void bitmap_stop_daemon(struct bitmap *bitmap);
@@ -654,7 +654,7 @@ static void drain_write_queues(struct bitmap *bitmap)
while ((item = dequeue_page(bitmap))) {
/* don't bother to wait */
page_cache_release(item->page);
put_page(item->page);
mempool_free(item, bitmap->write_pool);
}
@@ -763,7 +763,7 @@ static void bitmap_file_set_bit(struct bitmap *bitmap, sector_t block)
/* make sure the page stays cached until it gets written out */
if (! (get_page_attr(bitmap, page) & BITMAP_PAGE_DIRTY))
page_cache_get(page);
get_page(page);
/* set the bit */
kaddr = kmap_atomic(page, KM_USER0);
@@ -938,7 +938,7 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
if (ret) {
kunmap(page);
/* release, page not in filemap yet */
page_cache_release(page);
put_page(page);
goto out;
}
}
@@ -1043,7 +1043,7 @@ int bitmap_daemon_work(struct bitmap *bitmap)
/* skip this page unless it's marked as needing cleaning */
if (!((attr=get_page_attr(bitmap, page)) & BITMAP_PAGE_CLEAN)) {
if (attr & BITMAP_PAGE_NEEDWRITE) {
page_cache_get(page);
get_page(page);
clear_page_attr(bitmap, page, BITMAP_PAGE_NEEDWRITE);
}
spin_unlock_irqrestore(&bitmap->lock, flags);
@@ -1057,13 +1057,13 @@ int bitmap_daemon_work(struct bitmap *bitmap)
default:
bitmap_file_kick(bitmap);
}
page_cache_release(page);
put_page(page);
}
continue;
}
/* grab the new page, sync and release the old */
page_cache_get(page);
get_page(page);
if (lastpage != NULL) {
if (get_page_attr(bitmap, lastpage) & BITMAP_PAGE_NEEDWRITE) {
clear_page_attr(bitmap, lastpage, BITMAP_PAGE_NEEDWRITE);
@@ -1078,7 +1078,7 @@ int bitmap_daemon_work(struct bitmap *bitmap)
spin_unlock_irqrestore(&bitmap->lock, flags);
}
kunmap(lastpage);
page_cache_release(lastpage);
put_page(lastpage);
if (err)
bitmap_file_kick(bitmap);
} else
@@ -1133,7 +1133,7 @@ int bitmap_daemon_work(struct bitmap *bitmap)
spin_unlock_irqrestore(&bitmap->lock, flags);
}
page_cache_release(lastpage);
put_page(lastpage);
}
return err;
@@ -1184,7 +1184,7 @@ static void bitmap_writeback_daemon(mddev_t *mddev)
PRINTK("finished page writeback: %p\n", page);
err = PageError(page);
page_cache_release(page);
put_page(page);
if (err) {
printk(KERN_WARNING "%s: bitmap file writeback "
"failed (page %lu): %d\n",