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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/super.c | |
| 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/super.c')
| -rw-r--r-- | fs/overlayfs/super.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index e9ce4a9..84f3144 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -62,8 +62,6 @@ struct ovl_entry { #define OVL_MAX_STACK 500 -const char *ovl_opaque_xattr = "trusted.overlay.opaque"; - static struct dentry *__ovl_dentry_lower(struct ovl_entry *oe) { return oe->numlower ? oe->lowerstack[0].dentry : NULL; @@ -254,7 +252,7 @@ static bool ovl_is_opaquedir(struct dentry *dentry) if (!S_ISDIR(inode->i_mode) || !inode->i_op->getxattr) return false; - res = inode->i_op->getxattr(dentry, ovl_opaque_xattr, &val, 1); + res = inode->i_op->getxattr(dentry, OVL_XATTR_OPAQUE, &val, 1); if (res == 1 && val == 'y') return true; |
