These functions are useful in filesystems like gfs2 which require
pre-/postamble code around xattr operations.
Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
Reviewed-by: Bob Peterson <rpeterso@xxxxxxxxxx>
---
fs/posix_acl.c | 9 ++++++---
include/linux/posix_acl_xattr.h | 8 ++++++++
2 files changed, 14 insertions(+), 3 deletions(-)
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 2c60f17..1da2c63 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -795,7 +795,7 @@ posix_acl_to_xattr(struct user_namespace *user_ns, const struct posix_acl *acl,
}
EXPORT_SYMBOL (posix_acl_to_xattr);
-static int
+int
posix_acl_xattr_get(const struct xattr_handler *handler,
struct dentry *unused, struct inode *inode,
const char *name, void *value, size_t size)
@@ -819,8 +819,9 @@ posix_acl_xattr_get(const struct xattr_handler *handler,
return error;
}
+EXPORT_SYMBOL(posix_acl_xattr_get);
-static int
+int
posix_acl_xattr_set(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
@@ -856,12 +857,14 @@ out:
posix_acl_release(acl);
return ret;
}
+EXPORT_SYMBOL(posix_acl_xattr_set);
-static bool
+bool
posix_acl_xattr_list(struct dentry *dentry)
{
return IS_POSIXACL(d_backing_inode(dentry));
}
+EXPORT_SYMBOL(posix_acl_xattr_list);
const struct xattr_handler posix_acl_access_xattr_handler = {
.name = XATTR_NAME_POSIX_ACL_ACCESS,
diff --git a/include/linux/posix_acl_xattr.h b/include/linux/posix_acl_xattr.h
index e5e8ec4..c92607c 100644
--- a/include/linux/posix_acl_xattr.h
+++ b/include/linux/posix_acl_xattr.h
@@ -65,6 +65,14 @@ struct posix_acl *posix_acl_from_xattr(struct user_namespace *user_ns,
int posix_acl_to_xattr(struct user_namespace *user_ns,
const struct posix_acl *acl, void *buffer, size_t size);
+int posix_acl_xattr_get(const struct xattr_handler *handler,
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *value, size_t size);
+int posix_acl_xattr_set(const struct xattr_handler *handler,
+ struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags);
+bool posix_acl_xattr_list(struct dentry *dentry);
+
extern const struct xattr_handler posix_acl_access_xattr_handler;
extern const struct xattr_handler posix_acl_default_xattr_handler;
--
2.4.11
--
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