forked from ~ljy/RK356X_SDK_RELEASE

hc
2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d
kernel/fs/nfs/nfs42.h
....@@ -6,6 +6,8 @@
66 #ifndef __LINUX_FS_NFS_NFS4_2_H
77 #define __LINUX_FS_NFS_NFS4_2_H
88
9
+#include <linux/xattr.h>
10
+
911 /*
1012 * FIXME: four LAYOUTSTATS calls per compound at most! Do we need to support
1113 * more? Need to consider not to pre-alloc too much for a compound.
....@@ -13,12 +15,50 @@
1315 #define PNFS_LAYOUTSTATS_MAXDEV (4)
1416
1517 /* nfs4.2proc.c */
18
+#ifdef CONFIG_NFS_V4_2
1619 int nfs42_proc_allocate(struct file *, loff_t, loff_t);
17
-ssize_t nfs42_proc_copy(struct file *, loff_t, struct file *, loff_t, size_t);
20
+ssize_t nfs42_proc_copy(struct file *, loff_t, struct file *, loff_t, size_t,
21
+ struct nl4_server *, nfs4_stateid *, bool);
1822 int nfs42_proc_deallocate(struct file *, loff_t, loff_t);
1923 loff_t nfs42_proc_llseek(struct file *, loff_t, int);
2024 int nfs42_proc_layoutstats_generic(struct nfs_server *,
2125 struct nfs42_layoutstat_data *);
2226 int nfs42_proc_clone(struct file *, struct file *, loff_t, loff_t, loff_t);
27
+int nfs42_proc_layouterror(struct pnfs_layout_segment *lseg,
28
+ const struct nfs42_layout_error *errors,
29
+ size_t n);
30
+int nfs42_proc_copy_notify(struct file *, struct file *,
31
+ struct nfs42_copy_notify_res *);
32
+static inline bool nfs42_files_from_same_server(struct file *in,
33
+ struct file *out)
34
+{
35
+ struct nfs_client *c_in = (NFS_SERVER(file_inode(in)))->nfs_client;
36
+ struct nfs_client *c_out = (NFS_SERVER(file_inode(out)))->nfs_client;
2337
38
+ return nfs4_check_serverowner_major_id(c_in->cl_serverowner,
39
+ c_out->cl_serverowner);
40
+}
41
+
42
+ssize_t nfs42_proc_getxattr(struct inode *inode, const char *name,
43
+ void *buf, size_t buflen);
44
+int nfs42_proc_setxattr(struct inode *inode, const char *name,
45
+ const void *buf, size_t buflen, int flags);
46
+ssize_t nfs42_proc_listxattrs(struct inode *inode, void *buf,
47
+ size_t buflen, u64 *cookiep, bool *eofp);
48
+int nfs42_proc_removexattr(struct inode *inode, const char *name);
49
+
50
+/*
51
+ * Maximum XDR buffer size needed for a listxattr buffer of buflen size.
52
+ *
53
+ * The upper boundary is a buffer with all 1-byte sized attribute names.
54
+ * They would be 7 bytes long in the eventual buffer ("user.x\0"), and
55
+ * 8 bytes long XDR-encoded.
56
+ *
57
+ * Include the trailing eof word as well.
58
+ */
59
+static inline u32 nfs42_listxattr_xdrsize(u32 buflen)
60
+{
61
+ return ((buflen / (XATTR_USER_PREFIX_LEN + 2)) * 8) + 4;
62
+}
63
+#endif /* CONFIG_NFS_V4_2 */
2464 #endif /* __LINUX_FS_NFS_NFS4_2_H */