diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2025-02-23 22:14:47 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2025-06-11 13:41:05 -0400 |
| commit | 3333ed35b83dc69aa678943da97b3dcc84d75aab (patch) | |
| tree | ad8ba3e74a84f43e9d3eff03d388cb0c2f790db8 | |
| parent | 0b136e7d18fa8bb1251ab06f4f30e883da780245 (diff) | |
ramfs, hugetlbfs, mqueue: set DCACHE_DONTCACHE
makes simple_lookup() slightly cheaper there - no need for
simple_lookup() to set the flag and we want it on everything
on those anyway.
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/hugetlbfs/inode.c | 1 | ||||
| -rw-r--r-- | fs/ramfs/inode.c | 1 | ||||
| -rw-r--r-- | ipc/mqueue.c | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index e4de5425838d..6e0ade365a33 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -1433,6 +1433,7 @@ 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 775fa905fda0..f8874c3b8c1e 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 82ed2d3c9846..482af449e00d 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)) |