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| author | hujianyang <hujianyang@huawei.com> | 2014-11-24 18:25:21 +0800 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@suse.cz> | 2014-12-13 00:59:52 +0100 |
| commit | cead89bb08c0f64e23886f1c18df9bb98e97c55c (patch) | |
| tree | dbf10b40ef83804ac343cbdf4f3776af685d1e62 /fs/overlayfs/overlayfs.h | |
| parent | 1ba38725a351f91769918b132c17fb7fcaf6c2f5 (diff) | |
| download | op-kernel-dev-cead89bb08c0f64e23886f1c18df9bb98e97c55c.zip op-kernel-dev-cead89bb08c0f64e23886f1c18df9bb98e97c55c.tar.gz | |
ovl: Use macros to present ovl_xattr
This patch adds two macros:
OVL_XATTR_PRE_NAME and OVL_XATTR_PRE_LEN
to present ovl_xattr name prefix and its length. Also, a
new macro OVL_XATTR_OPAQUE is introduced to replace old
*ovl_opaque_xattr*.
Fix the length of "trusted.overlay." to *16*.
Signed-off-by: hujianyang <hujianyang@huawei.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index d176b67..17ac5af 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -23,7 +23,9 @@ enum ovl_path_type { #define OVL_TYPE_MERGE_OR_LOWER(type) \ (OVL_TYPE_MERGE(type) || !OVL_TYPE_UPPER(type)) -extern const char *ovl_opaque_xattr; +#define OVL_XATTR_PRE_NAME "trusted.overlay." +#define OVL_XATTR_PRE_LEN 16 +#define OVL_XATTR_OPAQUE OVL_XATTR_PRE_NAME"opaque" static inline int ovl_do_rmdir(struct inode *dir, struct dentry *dentry) { |
