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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-03 14:36:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-03 14:36:16 -0700
commitb8b3e9058f0f1d5c5a81c7d3d46f373d5f59a82c (patch)
tree1033085760392dc7e24a79bbeb276ce1a34314d0 /include
parent51102ee5b8853d230e534cbcd0d888f0134738a3 (diff)
parent327aec03ac4c7bbf5e41ff03ac3a84c424589f27 (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: (22 commits) 9p: fix sparse warnings in new xattr code fs/9p: remove sparse warning in vfs_inode fs/9p: destroy fid on failed remove fs/9p: Prevent parallel rename when doing fid_lookup fs/9p: Add support user. xattr net/9p: Implement TXATTRCREATE 9p call net/9p: Implement attrwalk 9p call 9p: Implement LOPEN fs/9p: This patch implements TLCREATE for 9p2000.L protocol. 9p: Implement TMKDIR 9p: Implement TMKNOD 9p: Define and implement TSYMLINK for 9P2000.L 9p: Define and implement TLINK for 9P2000.L 9p: Define and implement TLINK for 9P2000.L 9p: Implement client side of setattr for 9P2000.L protocol. 9p: getattr client implementation for 9P2000.L protocol. fs/9p: Pass the correct user credentials during attach net/9p: Handle the server returned error properly 9p: readdir implementation for 9p2000.L 9p: Make use of iounit for read/write ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/virtio_9p.h1
-rw-r--r--include/net/9p/9p.h113
-rw-r--r--include/net/9p/client.h33
3 files changed, 147 insertions, 0 deletions
diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h
index 5cf11765146b..395c38a47adb 100644
--- a/include/linux/virtio_9p.h
+++ b/include/linux/virtio_9p.h
@@ -4,6 +4,7 @@
* compatible drivers/servers. */
#include <linux/virtio_ids.h>
#include <linux/virtio_config.h>
+#include <linux/types.h>
/* The feature bitmap for virtio 9P */
diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h
index 156c26bb8bd7..a8de812ccbc8 100644
--- a/include/net/9p/9p.h
+++ b/include/net/9p/9p.h
@@ -88,8 +88,16 @@ do { \
* enum p9_msg_t - 9P message types
* @P9_TSTATFS: file system status request
* @P9_RSTATFS: file system status response
+ * @P9_TSYMLINK: make symlink request
+ * @P9_RSYMLINK: make symlink response
+ * @P9_TMKNOD: create a special file object request
+ * @P9_RMKNOD: create a special file object response
+ * @P9_TLCREATE: prepare a handle for I/O on an new file for 9P2000.L
+ * @P9_RLCREATE: response with file access information for 9P2000.L
* @P9_TRENAME: rename request
* @P9_RRENAME: rename response
+ * @P9_TMKDIR: create a directory request
+ * @P9_RMKDIR: create a directory response
* @P9_TVERSION: version handshake request
* @P9_RVERSION: version handshake response
* @P9_TAUTH: request to establish authentication channel
@@ -131,8 +139,30 @@ do { \
enum p9_msg_t {
P9_TSTATFS = 8,
P9_RSTATFS,
+ P9_TLOPEN = 12,
+ P9_RLOPEN,
+ P9_TLCREATE = 14,
+ P9_RLCREATE,
+ P9_TSYMLINK = 16,
+ P9_RSYMLINK,
+ P9_TMKNOD = 18,
+ P9_RMKNOD,
P9_TRENAME = 20,
P9_RRENAME,
+ P9_TGETATTR = 24,
+ P9_RGETATTR,
+ P9_TSETATTR = 26,
+ P9_RSETATTR,
+ P9_TXATTRWALK = 30,
+ P9_RXATTRWALK,
+ P9_TXATTRCREATE = 32,
+ P9_RXATTRCREATE,
+ P9_TREADDIR = 40,
+ P9_RREADDIR,
+ P9_TLINK = 70,
+ P9_RLINK,
+ P9_TMKDIR = 72,
+ P9_RMKDIR,
P9_TVERSION = 100,
P9_RVERSION,
P9_TAUTH = 102,
@@ -275,6 +305,9 @@ enum p9_qid_t {
/* ample room for Twrite/Rread header */
#define P9_IOHDRSZ 24
+/* Room for readdir header */
+#define P9_READDIRHDRSZ 24
+
/**
* struct p9_str - length prefixed string type
* @len: length of the string
@@ -357,6 +390,74 @@ struct p9_wstat {
u32 n_muid; /* 9p2000.u extensions */
};
+struct p9_stat_dotl {
+ u64 st_result_mask;
+ struct p9_qid qid;
+ u32 st_mode;
+ u32 st_uid;
+ u32 st_gid;
+ u64 st_nlink;
+ u64 st_rdev;
+ u64 st_size;
+ u64 st_blksize;
+ u64 st_blocks;
+ u64 st_atime_sec;
+ u64 st_atime_nsec;
+ u64 st_mtime_sec;
+ u64 st_mtime_nsec;
+ u64 st_ctime_sec;
+ u64 st_ctime_nsec;
+ u64 st_btime_sec;
+ u64 st_btime_nsec;
+ u64 st_gen;
+ u64 st_data_version;
+};
+
+#define P9_STATS_MODE 0x00000001ULL
+#define P9_STATS_NLINK 0x00000002ULL
+#define P9_STATS_UID 0x00000004ULL
+#define P9_STATS_GID 0x00000008ULL
+#define P9_STATS_RDEV 0x00000010ULL
+#define P9_STATS_ATIME 0x00000020ULL
+#define P9_STATS_MTIME 0x00000040ULL
+#define P9_STATS_CTIME 0x00000080ULL
+#define P9_STATS_INO 0x00000100ULL
+#define P9_STATS_SIZE 0x00000200ULL
+#define P9_STATS_BLOCKS 0x00000400ULL
+
+#define P9_STATS_BTIME 0x00000800ULL
+#define P9_STATS_GEN 0x00001000ULL
+#define P9_STATS_DATA_VERSION 0x00002000ULL
+
+#define P9_STATS_BASIC 0x000007ffULL /* Mask for fields up to BLOCKS */
+#define P9_STATS_ALL 0x00003fffULL /* Mask for All fields above */
+
+/**
+ * struct p9_iattr_dotl - P9 inode attribute for setattr
+ * @valid: bitfield specifying which fields are valid
+ * same as in struct iattr
+ * @mode: File permission bits
+ * @uid: user id of owner
+ * @gid: group id
+ * @size: File size
+ * @atime_sec: Last access time, seconds
+ * @atime_nsec: Last access time, nanoseconds
+ * @mtime_sec: Last modification time, seconds
+ * @mtime_nsec: Last modification time, nanoseconds
+ */
+
+struct p9_iattr_dotl {
+ u32 valid;
+ u32 mode;
+ u32 uid;
+ u32 gid;
+ u64 size;
+ u64 atime_sec;
+ u64 atime_nsec;
+ u64 mtime_sec;
+ u64 mtime_nsec;
+};
+
/* Structures for Protocol Operations */
struct p9_tstatfs {
u32 fid;
@@ -485,6 +586,18 @@ struct p9_rwrite {
u32 count;
};
+struct p9_treaddir {
+ u32 fid;
+ u64 offset;
+ u32 count;
+};
+
+struct p9_rreaddir {
+ u32 count;
+ u8 *data;
+};
+
+
struct p9_tclunk {
u32 fid;
};
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index 7dd3ed85c782..d1aa2cfb30f0 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -195,6 +195,21 @@ struct p9_fid {
struct list_head dlist; /* list of all fids attached to a dentry */
};
+/**
+ * struct p9_dirent - directory entry structure
+ * @qid: The p9 server qid for this dirent
+ * @d_off: offset to the next dirent
+ * @d_type: type of file
+ * @d_name: file name
+ */
+
+struct p9_dirent {
+ struct p9_qid qid;
+ u64 d_off;
+ unsigned char d_type;
+ char d_name[256];
+};
+
int p9_client_statfs(struct p9_fid *fid, struct p9_rstatfs *sb);
int p9_client_rename(struct p9_fid *fid, struct p9_fid *newdirfid, char *name);
int p9_client_version(struct p9_client *);
@@ -211,15 +226,31 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
int p9_client_open(struct p9_fid *fid, int mode);
int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
char *extension);
+int p9_client_link(struct p9_fid *fid, struct p9_fid *oldfid, char *newname);
+int p9_client_symlink(struct p9_fid *fid, char *name, char *symname, gid_t gid,
+ struct p9_qid *qid);
+int p9_client_create_dotl(struct p9_fid *ofid, char *name, u32 flags, u32 mode,
+ gid_t gid, struct p9_qid *qid);
int p9_client_clunk(struct p9_fid *fid);
int p9_client_remove(struct p9_fid *fid);
int p9_client_read(struct p9_fid *fid, char *data, char __user *udata,
u64 offset, u32 count);
int p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
u64 offset, u32 count);
+int p9_client_readdir(struct p9_fid *fid, char *data, u32 count, u64 offset);
+int p9dirent_read(char *buf, int len, struct p9_dirent *dirent,
+ int proto_version);
struct p9_wstat *p9_client_stat(struct p9_fid *fid);
int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
+int p9_client_setattr(struct p9_fid *fid, struct p9_iattr_dotl *attr);
+
+struct p9_stat_dotl *p9_client_getattr_dotl(struct p9_fid *fid,
+ u64 request_mask);
+int p9_client_mknod_dotl(struct p9_fid *oldfid, char *name, int mode,
+ dev_t rdev, gid_t gid, struct p9_qid *);
+int p9_client_mkdir_dotl(struct p9_fid *fid, char *name, int mode,
+ gid_t gid, struct p9_qid *);
struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
@@ -229,5 +260,7 @@ void p9stat_free(struct p9_wstat *);
int p9_is_proto_dotu(struct p9_client *clnt);
int p9_is_proto_dotl(struct p9_client *clnt);
+struct p9_fid *p9_client_xattrwalk(struct p9_fid *, const char *, u64 *);
+int p9_client_xattrcreate(struct p9_fid *, const char *, u64, int);
#endif /* NET_9P_CLIENT_H */
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