diff mbox

[04/10] f2fs: Use memalloc_nofs_* scope API

Message ID 20180219140230.5077-5-rgoldwyn@suse.de (mailing list archive)
State New, archived
Headers show

Commit Message

Goldwyn Rodrigues Feb. 19, 2018, 2:02 p.m. UTC 
From: Goldwyn Rodrigues <rgoldwyn@suse.com>

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
---
 fs/f2fs/f2fs.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 6300ac5bcbe4..98b0827af06e 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -24,6 +24,7 @@ 
 #include <linux/bio.h>
 #include <linux/blkdev.h>
 #include <linux/quotaops.h>
+#include <linux/sched/mm.h>
 #include <crypto/hash.h>
 
 #define __FS_HAS_ENCRYPTION IS_ENABLED(CONFIG_F2FS_FS_ENCRYPTION)
@@ -1905,6 +1906,8 @@  static inline s64 valid_inode_count(struct f2fs_sb_info *sbi)
 static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
 						pgoff_t index, bool for_write)
 {
+	struct page *pg = NULL;
+	unsigned nofs_flags;
 #ifdef CONFIG_F2FS_FAULT_INJECTION
 	struct page *page = find_lock_page(mapping, index);
 
@@ -1918,7 +1921,11 @@  static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
 #endif
 	if (!for_write)
 		return grab_cache_page(mapping, index);
-	return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS);
+
+	nofs_flags = memalloc_nofs_save();
+	pg = grab_cache_page_write_begin(mapping, index, 0);
+	memalloc_nofs_restore(nofs_flags);
+	return pg;
 }
 
 static inline struct page *f2fs_pagecache_get_page(