From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
Chao Yu <chao@kernel.org>, Jaegeuk Kim <jaegeuk@kernel.org>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH 6.6.y 4/6] f2fs: Use folios in truncate_partial_nodes()
Date: Sat, 12 Sep 2026 07:17:04 -0400 [thread overview]
Message-ID: <20260912111706.2282608-4-sashal@kernel.org> (raw)
In-Reply-To: <20260912111706.2282608-1-sashal@kernel.org>
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
[ Upstream commit d68833a0b74e46edc678340cdff5ad22782c6609 ]
Removes two calls to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: ce366bfa821e ("f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/node.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index c0de044fac304..b6a57d3706722 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1074,7 +1074,7 @@ static int truncate_nodes(struct dnode_of_data *dn, unsigned int nofs,
static int truncate_partial_nodes(struct dnode_of_data *dn,
struct f2fs_inode *ri, int *offset, int depth)
{
- struct page *pages[2];
+ struct folio *folios[2];
nid_t nid[3];
nid_t child_nid;
int err = 0;
@@ -1088,45 +1088,45 @@ static int truncate_partial_nodes(struct dnode_of_data *dn,
/* get indirect nodes in the path */
for (i = 0; i < idx + 1; i++) {
/* reference count'll be increased */
- pages[i] = f2fs_get_node_page(F2FS_I_SB(dn->inode), nid[i]);
- if (IS_ERR(pages[i])) {
- err = PTR_ERR(pages[i]);
+ folios[i] = f2fs_get_node_folio(F2FS_I_SB(dn->inode), nid[i]);
+ if (IS_ERR(folios[i])) {
+ err = PTR_ERR(folios[i]);
idx = i - 1;
goto fail;
}
- nid[i + 1] = get_nid(pages[i], offset[i + 1], false);
+ nid[i + 1] = get_nid(&folios[i]->page, offset[i + 1], false);
}
- f2fs_ra_node_pages(pages[idx], offset[idx + 1], NIDS_PER_BLOCK);
+ f2fs_ra_node_pages(&folios[idx]->page, offset[idx + 1], NIDS_PER_BLOCK);
/* free direct nodes linked to a partial indirect node */
for (i = offset[idx + 1]; i < NIDS_PER_BLOCK; i++) {
- child_nid = get_nid(pages[idx], i, false);
+ child_nid = get_nid(&folios[idx]->page, i, false);
if (!child_nid)
continue;
dn->nid = child_nid;
err = truncate_dnode(dn);
if (err < 0)
goto fail;
- if (set_nid(pages[idx], i, 0, false))
+ if (set_nid(&folios[idx]->page, i, 0, false))
dn->node_changed = true;
}
if (offset[idx + 1] == 0) {
- dn->node_page = pages[idx];
+ dn->node_page = &folios[idx]->page;
dn->nid = nid[idx];
err = truncate_node(dn);
if (err)
goto fail;
} else {
- f2fs_put_page(pages[idx], 1);
+ f2fs_folio_put(folios[idx], true);
}
offset[idx]++;
offset[idx + 1] = 0;
idx--;
fail:
for (i = idx; i >= 0; i--)
- f2fs_put_page(pages[i], 1);
+ f2fs_folio_put(folios[i], true);
trace_f2fs_truncate_partial_nodes(dn->inode, nid, depth, err);
--
2.53.0
next prev parent reply other threads:[~2026-09-12 11:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 11:26 FAILED: patch "[PATCH] f2fs: fix to avoid potential deadloop in" failed to apply to 6.6-stable tree gregkh
2026-09-12 11:17 ` [PATCH 6.6.y 1/6] f2fs: Add f2fs_new_node_folio() Sasha Levin
2026-09-12 11:17 ` [PATCH 6.6.y 2/6] f2fs: Add f2fs_get_node_folio() Sasha Levin
2026-09-12 11:17 ` [PATCH 6.6.y 3/6] f2fs: Use a folio in truncate_nodes() Sasha Levin
2026-09-12 11:17 ` Sasha Levin [this message]
2026-09-12 11:17 ` [PATCH 6.6.y 5/6] f2fs: introduce is_{meta,node}_folio Sasha Levin
2026-09-12 11:17 ` [PATCH 6.6.y 6/6] f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages() Sasha Levin
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