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ovl: Add OVL_XATTR_TRUSTED/USER_PREFIX_LEN macros

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These match the ones for e.g. XATTR_TRUSTED_PREFIX_LEN.

Signed-off-by: Alexander Larsson <alexl@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
This commit is contained in:
Alexander Larsson
2023-08-15 09:33:44 +02:00
committed by Amir Goldstein
parent 420a62dde6
commit d431e65260
2 changed files with 4 additions and 2 deletions
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2
fs/overlayfs/overlayfs.h
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@@ -28,7 +28,9 @@ enum ovl_path_type {
#define OVL_XATTR_NAMESPACE "overlay."
#define OVL_XATTR_TRUSTED_PREFIX XATTR_TRUSTED_PREFIX OVL_XATTR_NAMESPACE
#define OVL_XATTR_TRUSTED_PREFIX_LEN (sizeof(OVL_XATTR_TRUSTED_PREFIX) - 1)
#define OVL_XATTR_USER_PREFIX XATTR_USER_PREFIX OVL_XATTR_NAMESPACE
#define OVL_XATTR_USER_PREFIX_LEN (sizeof(OVL_XATTR_USER_PREFIX) - 1)
enum ovl_xattr {
OVL_XATTR_OPAQUE,

4
fs/overlayfs/xattrs.c
View File

@@ -10,10 +10,10 @@ bool ovl_is_private_xattr(struct super_block *sb, const char *name)
if (ofs->config.userxattr)
return strncmp(name, OVL_XATTR_USER_PREFIX,
sizeof(OVL_XATTR_USER_PREFIX) - 1) == 0;
OVL_XATTR_USER_PREFIX_LEN) == 0;
else
return strncmp(name, OVL_XATTR_TRUSTED_PREFIX,
sizeof(OVL_XATTR_TRUSTED_PREFIX) - 1) == 0;
OVL_XATTR_TRUSTED_PREFIX_LEN) == 0;
}
static int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,