[PATCH v2 2/2] f2fs: drop FGP_NOFS in f2fs_write_begin()

[Chao Yu]

This patch proposes to drop FGP_NOFS from f2fs_filemap_get_folio()
in f2fs_write_begin(), I don't see there is potential deadlock issue
when __filemap_get_folio() calling into filesystem reclaim interfaces,
e.g. .writepages, evict_inode, shrinker.

Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Chao Yu <chao@xxxxxxxxxx>
---
v2:
- just drop FGP_NOFS rather than use memalloc_nofs_* helpers.
 fs/f2fs/data.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ac1cf4de3d62..be4c1d4ed6b2 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3994,7 +3994,7 @@ static int f2fs_write_begin(const struct kiocb *iocb,
 	 * Will wait that below with our IO control.
 	 */
 	folio = f2fs_filemap_get_folio(mapping, index,
-				FGP_LOCK | FGP_WRITE | FGP_CREAT | FGP_NOFS,
+				FGP_LOCK | FGP_WRITE | FGP_CREAT,
 				mapping_gfp_mask(mapping));
 	if (IS_ERR(folio)) {
 		err = PTR_ERR(folio);
-- 
2.49.0