Merge branches 'sched/clock', 'sched/cleanups' and 'linus' into sched/urgent

[linux-2.6-omap-h63xx.git] / mm / filemap.c

diff --git a/mm/filemap.c b/mm/filemap.c
index f3e5f8944d1763474b4c19e411af129ed03ab324..f5769b4dc075315a0ecc81c038068ebb2366cd8b 100644 (file)
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1766,7 +1766,7 @@ int should_remove_suid(struct dentry *dentry)
        if (unlikely((mode & S_ISGID) && (mode & S_IXGRP)))
                kill |= ATTR_KILL_SGID;
 
-       if (unlikely(kill && !capable(CAP_FSETID)))
+       if (unlikely(kill && !capable(CAP_FSETID) && S_ISREG(mode)))
                return kill;
 
        return 0;
@@ -2140,19 +2140,24 @@ EXPORT_SYMBOL(generic_file_direct_write);
  * Find or create a page at the given pagecache position. Return the locked
  * page. This function is specifically for buffered writes.
  */
-struct page *__grab_cache_page(struct address_space *mapping, pgoff_t index)
+struct page *grab_cache_page_write_begin(struct address_space *mapping,
+                                       pgoff_t index, unsigned flags)
 {
        int status;
        struct page *page;
+       gfp_t gfp_notmask = 0;
+       if (flags & AOP_FLAG_NOFS)
+               gfp_notmask = __GFP_FS;
 repeat:
        page = find_lock_page(mapping, index);
        if (likely(page))
                return page;
 
-       page = page_cache_alloc(mapping);
+       page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~gfp_notmask);
        if (!page)
                return NULL;
-       status = add_to_page_cache_lru(page, mapping, index, GFP_KERNEL);
+       status = add_to_page_cache_lru(page, mapping, index,
+                                               GFP_KERNEL & ~gfp_notmask);
        if (unlikely(status)) {
                page_cache_release(page);
                if (status == -EEXIST)
@@ -2161,7 +2166,7 @@ repeat:
        }
        return page;
 }
-EXPORT_SYMBOL(__grab_cache_page);
+EXPORT_SYMBOL(grab_cache_page_write_begin);
 
 static ssize_t generic_perform_write(struct file *file,
                                struct iov_iter *i, loff_t pos)