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Diffstat (limited to 'fs/f2fs/xattr.h')
-rw-r--r--fs/f2fs/xattr.h90
1 files changed, 53 insertions, 37 deletions
diff --git a/fs/f2fs/xattr.h b/fs/f2fs/xattr.h
index 3c0817bef25d..bce3d93e4755 100644
--- a/fs/f2fs/xattr.h
+++ b/fs/f2fs/xattr.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* fs/f2fs/xattr.h
*
@@ -9,10 +10,6 @@
* On-disk format of extended attributes for the ext2 filesystem.
*
* (C) 2001 Andreas Gruenbacher, <a.gruenbacher@computer.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __F2FS_XATTR_H__
#define __F2FS_XATTR_H__
@@ -27,7 +24,7 @@
#define F2FS_XATTR_REFCOUNT_MAX 1024
/* Name indexes */
-#define F2FS_SYSTEM_ADVISE_PREFIX "system.advise"
+#define F2FS_SYSTEM_ADVISE_NAME "system.advise"
#define F2FS_XATTR_INDEX_USER 1
#define F2FS_XATTR_INDEX_POSIX_ACL_ACCESS 2
#define F2FS_XATTR_INDEX_POSIX_ACL_DEFAULT 3
@@ -35,6 +32,12 @@
#define F2FS_XATTR_INDEX_LUSTRE 5
#define F2FS_XATTR_INDEX_SECURITY 6
#define F2FS_XATTR_INDEX_ADVISE 7
+/* Should be same as EXT4_XATTR_INDEX_ENCRYPTION */
+#define F2FS_XATTR_INDEX_ENCRYPTION 9
+#define F2FS_XATTR_INDEX_VERITY 11
+
+#define F2FS_XATTR_NAME_ENCRYPTION_CONTEXT "c"
+#define F2FS_XATTR_NAME_VERITY "v"
struct f2fs_xattr_header {
__le32 h_magic; /* magic number for identification */
@@ -46,18 +49,18 @@ struct f2fs_xattr_entry {
__u8 e_name_index;
__u8 e_name_len;
__le16 e_value_size; /* size of attribute value */
- char e_name[0]; /* attribute name */
+ char e_name[]; /* attribute name */
};
#define XATTR_HDR(ptr) ((struct f2fs_xattr_header *)(ptr))
#define XATTR_ENTRY(ptr) ((struct f2fs_xattr_entry *)(ptr))
-#define XATTR_FIRST_ENTRY(ptr) (XATTR_ENTRY(XATTR_HDR(ptr)+1))
+#define XATTR_FIRST_ENTRY(ptr) (XATTR_ENTRY(XATTR_HDR(ptr) + 1))
#define XATTR_ROUND (3)
-#define XATTR_ALIGN(size) ((size + XATTR_ROUND) & ~XATTR_ROUND)
+#define XATTR_ALIGN(size) (((size) + XATTR_ROUND) & ~XATTR_ROUND)
#define ENTRY_SIZE(entry) (XATTR_ALIGN(sizeof(struct f2fs_xattr_entry) + \
- entry->e_name_len + le16_to_cpu(entry->e_value_size)))
+ (entry)->e_name_len + le16_to_cpu((entry)->e_value_size)))
#define XATTR_NEXT_ENTRY(entry) ((struct f2fs_xattr_entry *)((char *)(entry) +\
ENTRY_SIZE(entry)))
@@ -68,18 +71,30 @@ struct f2fs_xattr_entry {
for (entry = XATTR_FIRST_ENTRY(addr);\
!IS_XATTR_LAST_ENTRY(entry);\
entry = XATTR_NEXT_ENTRY(entry))
-
-
-#define MIN_OFFSET XATTR_ALIGN(PAGE_SIZE - \
- sizeof(struct node_footer) - \
- sizeof(__u32))
-
-#define MAX_VALUE_LEN (MIN_OFFSET - sizeof(struct f2fs_xattr_header) - \
- sizeof(struct f2fs_xattr_entry))
+#define VALID_XATTR_BLOCK_SIZE (PAGE_SIZE - sizeof(struct node_footer))
+#define XATTR_PADDING_SIZE (sizeof(__u32))
+#define XATTR_SIZE(i) ((F2FS_I(i)->i_xattr_nid ? \
+ VALID_XATTR_BLOCK_SIZE : 0) + \
+ (inline_xattr_size(i)))
+#define MIN_OFFSET(i) XATTR_ALIGN(inline_xattr_size(i) + \
+ VALID_XATTR_BLOCK_SIZE)
+
+#define MAX_VALUE_LEN(i) (MIN_OFFSET(i) - \
+ sizeof(struct f2fs_xattr_header) - \
+ sizeof(struct f2fs_xattr_entry))
+
+#define MIN_INLINE_XATTR_SIZE (sizeof(struct f2fs_xattr_header) / sizeof(__le32))
+#define MAX_INLINE_XATTR_SIZE \
+ (DEF_ADDRS_PER_INODE - \
+ F2FS_TOTAL_EXTRA_ATTR_SIZE / sizeof(__le32) - \
+ DEF_INLINE_RESERVED_SIZE - \
+ MIN_INLINE_DENTRY_SIZE / sizeof(__le32))
+#define DEFAULT_XATTR_SLAB_SIZE (DEFAULT_INLINE_XATTR_ADDRS * \
+ sizeof(__le32) + XATTR_PADDING_SIZE)
/*
* On-disk structure of f2fs_xattr
- * We use only 1 block for xattr.
+ * We use inline xattrs space + 1 block for xattr.
*
* +--------------------+
* | f2fs_xattr_header |
@@ -109,43 +124,44 @@ struct f2fs_xattr_entry {
#ifdef CONFIG_F2FS_FS_XATTR
extern const struct xattr_handler f2fs_xattr_user_handler;
extern const struct xattr_handler f2fs_xattr_trusted_handler;
-extern const struct xattr_handler f2fs_xattr_acl_access_handler;
-extern const struct xattr_handler f2fs_xattr_acl_default_handler;
extern const struct xattr_handler f2fs_xattr_advise_handler;
extern const struct xattr_handler f2fs_xattr_security_handler;
-extern const struct xattr_handler *f2fs_xattr_handlers[];
+extern const struct xattr_handler * const f2fs_xattr_handlers[];
-extern int f2fs_setxattr(struct inode *, int, const char *,
- const void *, size_t, struct page *);
-extern int f2fs_getxattr(struct inode *, int, const char *, void *, size_t);
-extern ssize_t f2fs_listxattr(struct dentry *, char *, size_t);
+int f2fs_setxattr(struct inode *, int, const char *, const void *,
+ size_t, struct folio *, int);
+int f2fs_getxattr(struct inode *, int, const char *, void *,
+ size_t, struct folio *);
+ssize_t f2fs_listxattr(struct dentry *, char *, size_t);
+int __init f2fs_init_xattr_cache(void);
+void f2fs_destroy_xattr_cache(void);
#else
#define f2fs_xattr_handlers NULL
-static inline int f2fs_setxattr(struct inode *inode, int name_index,
- const char *name, const void *value, size_t value_len)
-{
- return -EOPNOTSUPP;
-}
-static inline int f2fs_getxattr(struct inode *inode, int name_index,
- const char *name, void *buffer, size_t buffer_size)
+#define f2fs_listxattr NULL
+static inline int f2fs_setxattr(struct inode *inode, int index,
+ const char *name, const void *value, size_t size,
+ struct folio *folio, int flags)
{
return -EOPNOTSUPP;
}
-static inline ssize_t f2fs_listxattr(struct dentry *dentry, char *buffer,
- size_t buffer_size)
+static inline int f2fs_getxattr(struct inode *inode, int index,
+ const char *name, void *buffer,
+ size_t buffer_size, struct folio *dfolio)
{
return -EOPNOTSUPP;
}
+static inline int __init f2fs_init_xattr_cache(void) { return 0; }
+static inline void f2fs_destroy_xattr_cache(void) { }
#endif
#ifdef CONFIG_F2FS_FS_SECURITY
-extern int f2fs_init_security(struct inode *, struct inode *,
- const struct qstr *, struct page *);
+int f2fs_init_security(struct inode *, struct inode *,
+ const struct qstr *, struct folio *);
#else
static inline int f2fs_init_security(struct inode *inode, struct inode *dir,
- const struct qstr *qstr, struct page *ipage)
+ const struct qstr *qstr, struct folio *ifolio)
{
return 0;
}
generated by cgit (git 2.34.1) at 2025-12-25 11:56:10 +0000