linux-kernel - [PATCH] erofs: get rid of unneeded GFP

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Date: Wed, 24 Jan 2024 11:19:45 +0800
From: Jingbo Xu <jefflexu@...ux.alibaba.com>
To: xiang@...nel.org,
	chao@...nel.org,
	linux-erofs@...ts.ozlabs.org
Cc: huyue2@...lpad.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH] erofs: get rid of unneeded GFP_NOFS

Clean up some leftovers since there is no way for EROFS to be called
again from a reclaim context.

Signed-off-by: Jingbo Xu <jefflexu@...ux.alibaba.com>
---
 fs/erofs/fscache.c | 2 +-
 fs/erofs/inode.c   | 2 +-
 fs/erofs/utils.c   | 2 +-
 fs/erofs/zdata.c   | 8 ++++----
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/erofs/fscache.c b/fs/erofs/fscache.c
index bc12030393b2..5ff90026fd43 100644
--- a/fs/erofs/fscache.c
+++ b/fs/erofs/fscache.c
@@ -459,7 +459,7 @@ static struct erofs_fscache *erofs_fscache_acquire_cookie(struct super_block *sb
 
 	inode->i_size = OFFSET_MAX;
 	inode->i_mapping->a_ops = &erofs_fscache_meta_aops;
-	mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
+	mapping_set_gfp_mask(inode->i_mapping, GFP_KERNEL);
 	inode->i_blkbits = EROFS_SB(sb)->blkszbits;
 	inode->i_private = ctx;
 
diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index 3d616dea55dc..36e638e8b53a 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -60,7 +60,7 @@ static void *erofs_read_inode(struct erofs_buf *buf,
 		} else {
 			const unsigned int gotten = sb->s_blocksize - *ofs;
 
-			copied = kmalloc(vi->inode_isize, GFP_NOFS);
+			copied = kmalloc(vi->inode_isize, GFP_KERNEL);
 			if (!copied) {
 				err = -ENOMEM;
 				goto err_out;
diff --git a/fs/erofs/utils.c b/fs/erofs/utils.c
index 5dea308764b4..e146d09151af 100644
--- a/fs/erofs/utils.c
+++ b/fs/erofs/utils.c
@@ -81,7 +81,7 @@ struct erofs_workgroup *erofs_insert_workgroup(struct super_block *sb,
 repeat:
 	xa_lock(&sbi->managed_pslots);
 	pre = __xa_cmpxchg(&sbi->managed_pslots, grp->index,
-			   NULL, grp, GFP_NOFS);
+			   NULL, grp, GFP_KERNEL);
 	if (pre) {
 		if (xa_is_err(pre)) {
 			pre = ERR_PTR(xa_err(pre));
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 692c0c39be63..583c062cd0e4 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -230,7 +230,7 @@ static int z_erofs_bvec_enqueue(struct z_erofs_bvec_iter *iter,
 		struct page *nextpage = *candidate_bvpage;
 
 		if (!nextpage) {
-			nextpage = erofs_allocpage(pagepool, GFP_NOFS);
+			nextpage = erofs_allocpage(pagepool, GFP_KERNEL);
 			if (!nextpage)
 				return -ENOMEM;
 			set_page_private(nextpage, Z_EROFS_SHORTLIVED_PAGE);
@@ -302,7 +302,7 @@ static struct z_erofs_pcluster *z_erofs_alloc_pcluster(unsigned int size)
 		if (nrpages > pcs->maxpages)
 			continue;
 
-		pcl = kmem_cache_zalloc(pcs->slab, GFP_NOFS);
+		pcl = kmem_cache_zalloc(pcs->slab, GFP_KERNEL);
 		if (!pcl)
 			return ERR_PTR(-ENOMEM);
 		pcl->pclustersize = size;
@@ -694,7 +694,7 @@ static void z_erofs_cache_invalidate_folio(struct folio *folio,
 	DBG_BUGON(stop > folio_size(folio) || stop < length);
 
 	if (offset == 0 && stop == folio_size(folio))
-		while (!z_erofs_cache_release_folio(folio, GFP_NOFS))
+		while (!z_erofs_cache_release_folio(folio, 0))
 			cond_resched();
 }
 
@@ -713,7 +713,7 @@ int erofs_init_managed_cache(struct super_block *sb)
 	set_nlink(inode, 1);
 	inode->i_size = OFFSET_MAX;
 	inode->i_mapping->a_ops = &z_erofs_cache_aops;
-	mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
+	mapping_set_gfp_mask(inode->i_mapping, GFP_KERNEL);
 	EROFS_SB(sb)->managed_cache = inode;
 	return 0;
 }
-- 
2.19.1.6.gb485710b