On Mon, Feb 24, 2025 at 09:20:46PM +0000, Al Viro wrote: > makes simple_lookup() slightly cheaper there. > > Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > --- Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx> > fs/hugetlbfs/inode.c | 1 + > fs/ramfs/inode.c | 1 + > ipc/mqueue.c | 1 + > 3 files changed, 3 insertions(+) > > diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c > index 0fc179a59830..205dd7562be1 100644 > --- a/fs/hugetlbfs/inode.c > +++ b/fs/hugetlbfs/inode.c > @@ -1431,6 +1431,7 @@ hugetlbfs_fill_super(struct super_block *sb, struct fs_context *fc) > sb->s_blocksize_bits = huge_page_shift(ctx->hstate); > sb->s_magic = HUGETLBFS_MAGIC; > sb->s_op = &hugetlbfs_ops; > + sb->s_d_flags = DCACHE_DONTCACHE; > sb->s_time_gran = 1; > > /* > diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c > index 8006faaaf0ec..c4ee67870c4b 100644 > --- a/fs/ramfs/inode.c > +++ b/fs/ramfs/inode.c > @@ -269,6 +269,7 @@ static int ramfs_fill_super(struct super_block *sb, struct fs_context *fc) > sb->s_blocksize_bits = PAGE_SHIFT; > sb->s_magic = RAMFS_MAGIC; > sb->s_op = &ramfs_ops; > + sb->s_d_flags = DCACHE_DONTCACHE; > sb->s_time_gran = 1; > > inode = ramfs_get_inode(sb, NULL, S_IFDIR | fsi->mount_opts.mode, 0); > diff --git a/ipc/mqueue.c b/ipc/mqueue.c > index 35b4f8659904..dbd5c74eecb2 100644 > --- a/ipc/mqueue.c > +++ b/ipc/mqueue.c > @@ -411,6 +411,7 @@ static int mqueue_fill_super(struct super_block *sb, struct fs_context *fc) > sb->s_blocksize_bits = PAGE_SHIFT; > sb->s_magic = MQUEUE_MAGIC; > sb->s_op = &mqueue_super_ops; > + sb->s_d_flags = DCACHE_DONTCACHE; > > inode = mqueue_get_inode(sb, ns, S_IFDIR | S_ISVTX | S_IRWXUGO, NULL); > if (IS_ERR(inode)) > -- > 2.39.5 >
