From: Mateusz Guzik <mjguzik@gmail.com>
Date: Wed, 20 Nov 2024 11:20:36 +0000 (+0100)
Subject: tmpfs: use inode_set_cached_link()
X-Git-Tag: io_uring-6.14-20240131~39^2~14^2
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=657e726e0cb9ba4f583ae7d226100bc43cc43a41;p=linux-block.git

tmpfs: use inode_set_cached_link()

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20241120112037.822078-4-mjguzik@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
---

diff --git a/mm/shmem.c b/mm/shmem.c
index ccb9629a0f70..7beba4c1be5a 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3914,6 +3914,7 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir,
 	int len;
 	struct inode *inode;
 	struct folio *folio;
+	char *link;
 
 	len = strlen(symname) + 1;
 	if (len > PAGE_SIZE)
@@ -3935,12 +3936,13 @@ static int shmem_symlink(struct mnt_idmap *idmap, struct inode *dir,
 
 	inode->i_size = len-1;
 	if (len <= SHORT_SYMLINK_LEN) {
-		inode->i_link = kmemdup(symname, len, GFP_KERNEL);
-		if (!inode->i_link) {
+		link = kmemdup(symname, len, GFP_KERNEL);
+		if (!link) {
 			error = -ENOMEM;
 			goto out_remove_offset;
 		}
 		inode->i_op = &shmem_short_symlink_operations;
+		inode_set_cached_link(inode, link, len - 1);
 	} else {
 		inode_nohighmem(inode);
 		inode->i_mapping->a_ops = &shmem_aops;