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Diffstat (limited to 'fs/ramfs/file-nommu.c')
-rw-r--r--fs/ramfs/file-nommu.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index b9b567a28376..ebb2c417912c 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -18,7 +18,6 @@
#include <linux/string.h>
#include <linux/backing-dev.h>
#include <linux/ramfs.h>
-#include <linux/quotaops.h>
#include <linux/pagevec.h>
#include <linux/mman.h>
@@ -60,7 +59,6 @@ const struct inode_operations ramfs_file_inode_operations = {
*/
int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
{
- struct pagevec lru_pvec;
unsigned long npages, xpages, loop, limit;
struct page *pages;
unsigned order;
@@ -103,21 +101,20 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
memset(data, 0, newsize);
/* attach all the pages to the inode's address space */
- pagevec_init(&lru_pvec, 0);
for (loop = 0; loop < npages; loop++) {
struct page *page = pages + loop;
- ret = add_to_page_cache(page, inode->i_mapping, loop, GFP_KERNEL);
+ ret = add_to_page_cache_lru(page, inode->i_mapping, loop,
+ GFP_KERNEL);
if (ret < 0)
goto add_error;
- if (!pagevec_add(&lru_pvec, page))
- __pagevec_lru_add_file(&lru_pvec);
+ /* prevent the page from being discarded on memory pressure */
+ SetPageDirty(page);
unlock_page(page);
}
- pagevec_lru_add_file(&lru_pvec);
return 0;
fsize_exceeded:
@@ -126,9 +123,8 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
return -EFBIG;
add_error:
- page_cache_release(pages + loop);
- for (loop++; loop < npages; loop++)
- __free_page(pages + loop);
+ while (loop < npages)
+ __free_page(pages + loop++);
return ret;
}
@@ -201,11 +197,6 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia)
if (ret)
return ret;
- /* by providing our own setattr() method, we skip this quotaism */
- if ((old_ia_valid & ATTR_UID && ia->ia_uid != inode->i_uid) ||
- (old_ia_valid & ATTR_GID && ia->ia_gid != inode->i_gid))
- ret = DQUOT_TRANSFER(inode, ia) ? -EDQUOT : 0;
-
/* pick out size-changing events */
if (ia->ia_valid & ATTR_SIZE) {
loff_t size = i_size_read(inode);