[PATCH AUTOSEL 6.4 15/16] autofs: set ctime as well when mtime changes on a dir

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From: Jeff Layton <jlayton@xxxxxxxxxx>

[ Upstream commit 797a1d894d7b7586f422cabf8d7807cd39d0b5aa ]

When adding entries to a directory, POSIX generally requires that the
ctime also be updated alongside the mtime.

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Acked-by: Ian Kent <raven@xxxxxxxxxx>
Message-Id: <20230612104524.17058-4-jlayton@xxxxxxxxxx>
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/autofs/root.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/autofs/root.c b/fs/autofs/root.c
index 6baf90b08e0ef..93046c9dc4610 100644
--- a/fs/autofs/root.c
+++ b/fs/autofs/root.c
@@ -600,7 +600,7 @@ static int autofs_dir_symlink(struct mnt_idmap *idmap,
 	p_ino = autofs_dentry_ino(dentry->d_parent);
 	p_ino->count++;
 
-	dir->i_mtime = current_time(dir);
+	dir->i_mtime = dir->i_ctime = current_time(dir);
 
 	return 0;
 }
@@ -633,7 +633,7 @@ static int autofs_dir_unlink(struct inode *dir, struct dentry *dentry)
 	d_inode(dentry)->i_size = 0;
 	clear_nlink(d_inode(dentry));
 
-	dir->i_mtime = current_time(dir);
+	dir->i_mtime = dir->i_ctime = current_time(dir);
 
 	spin_lock(&sbi->lookup_lock);
 	__autofs_add_expiring(dentry);
@@ -749,7 +749,7 @@ static int autofs_dir_mkdir(struct mnt_idmap *idmap,
 	p_ino = autofs_dentry_ino(dentry->d_parent);
 	p_ino->count++;
 	inc_nlink(dir);
-	dir->i_mtime = current_time(dir);
+	dir->i_mtime = dir->i_ctime = current_time(dir);
 
 	return 0;
 }
-- 
2.39.2




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