makes simple_lookup() slightly cheaper there. Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- 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