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| author |   Amir Goldstein <amir73il@gmail.com> | 2018-01-14 19:25:31 +0200 |
|---|---|---|
| committer |   Miklos Szeredi <mszeredi@redhat.com> | 2018-01-24 11:25:58 +0100 |
| commit | c62520a83bceae0bb0b7b3de10c3e81205cd3823 (patch) | |
| tree | f94b1fca8653e0a659d729859b188a74caaebaec /fs/overlayfs/ovl_entry.h | |
| parent | ovl: copy up of disconnected dentries (diff) | |
| download | linux-dev-c62520a83bceae0bb0b7b3de10c3e81205cd3823.tar.xz linux-dev-c62520a83bceae0bb0b7b3de10c3e81205cd3823.zip | |
ovl: store 'has_upper' and 'opaque' as bit flags
We need to make some room in struct ovl_entry to store information
about redirected ancestors for NFS export, so cram two booleans as
bit flags.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/ovl_entry.h')
| -rw-r--r-- | fs/overlayfs/ovl_entry.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h index 6dd60fcf8cb7..bfef6edcc111 100644 --- a/fs/overlayfs/ovl_entry.h +++ b/fs/overlayfs/ovl_entry.h @@ -61,8 +61,7 @@ struct ovl_fs { struct ovl_entry { union { struct { - unsigned long has_upper; - bool opaque; + unsigned long flags; }; struct rcu_head rcu; }; @@ -72,6 +71,11 @@ struct ovl_entry { struct ovl_entry *ovl_alloc_entry(unsigned int numlower); +static inline struct ovl_entry *OVL_E(struct dentry *dentry) +{ + return (struct ovl_entry *) dentry->d_fsdata; +} + struct ovl_inode { struct ovl_dir_cache *cache; const char *redirect; |