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https://github.com/adulau/aha.git
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9p: eliminate depricated conv functions
Remove depricated conv functions which have been replaced with new protocol routines. This patch also reworks the one instance of the file-system code which directly calls conversion routines (to accomplish unpacking dirreads). Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Eric Van Hensbergen
parent
51a87c552d
commit
02da398b95
6 changed files with 37 additions and 1160 deletions
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@ -45,7 +45,7 @@
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*
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*/
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static inline int dt_type(struct p9_stat *mistat)
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static inline int dt_type(struct p9_wstat *mistat)
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{
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unsigned long perm = mistat->mode;
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int rettype = DT_REG;
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@ -69,7 +69,7 @@ static inline int dt_type(struct p9_stat *mistat)
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static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
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{
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int over;
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struct p9_stat st;
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struct p9_wstat st;
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int err;
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struct p9_fid *fid;
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int buflen;
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@ -92,20 +92,24 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
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n = err;
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while (i < n) {
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err = p9_deserialize_stat(statbuf + i, buflen-i, &st,
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err = p9stat_read(statbuf + i, buflen-i, &st,
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fid->clnt->dotu);
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if (!err) {
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if (err) {
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P9_DPRINTK(P9_DEBUG_VFS, "returned %d\n", err);
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err = -EIO;
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p9stat_free(&st);
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goto free_and_exit;
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}
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i += err;
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fid->rdir_fpos += err;
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i += st.size+2;
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fid->rdir_fpos += st.size+2;
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over = filldir(dirent, st.name.str, st.name.len,
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over = filldir(dirent, st.name, strlen(st.name),
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filp->f_pos, v9fs_qid2ino(&st.qid), dt_type(&st));
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filp->f_pos += st.size;
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filp->f_pos += st.size+2;
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p9stat_free(&st);
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if (over) {
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err = 0;
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@ -61,21 +61,18 @@ extern unsigned int p9_debug_level;
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#define P9_DPRINTK(level, format, arg...) \
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do { \
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if (level == P9_DEBUG_9P) \
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printk(KERN_NOTICE "(%8.8d) " \
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format , task_pid_nr(current) , ## arg); \
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else if ((p9_debug_level & level) == level) \
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printk(KERN_NOTICE "-- %s (%d): " \
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format , __func__, task_pid_nr(current) , ## arg); \
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if ((p9_debug_level & level) == level) {\
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if (level == P9_DEBUG_9P) \
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printk(KERN_NOTICE "(%8.8d) " \
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format , task_pid_nr(current) , ## arg); \
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else \
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printk(KERN_NOTICE "-- %s (%d): " \
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format , __func__, task_pid_nr(current) , ## arg); \
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} \
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} while (0)
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#define PRINT_FCALL_ERROR(s, fcall) P9_DPRINTK(P9_DEBUG_ERROR, \
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"%s: %.*s\n", s, fcall?fcall->params.rerror.error.len:0, \
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fcall?fcall->params.rerror.error.str:"");
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#else
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#define P9_DPRINTK(level, format, arg...) do { } while (0)
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#define PRINT_FCALL_ERROR(s, fcall) do { } while (0)
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#endif
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#define P9_EPRINTK(level, format, arg...) \
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@ -330,33 +327,6 @@ struct p9_qid {
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* See Also: http://plan9.bell-labs.com/magic/man2html/2/stat
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*/
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struct p9_stat {
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u16 size;
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u16 type;
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u32 dev;
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struct p9_qid qid;
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u32 mode;
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u32 atime;
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u32 mtime;
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u64 length;
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struct p9_str name;
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struct p9_str uid;
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struct p9_str gid;
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struct p9_str muid;
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struct p9_str extension; /* 9p2000.u extensions */
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u32 n_uid; /* 9p2000.u extensions */
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u32 n_gid; /* 9p2000.u extensions */
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u32 n_muid; /* 9p2000.u extensions */
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};
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/*
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* file metadata (stat) structure used to create Twstat message
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* The is identical to &p9_stat, but the strings don't point to
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* the same memory block and should be freed separately
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*
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* See Also: http://plan9.bell-labs.com/magic/man2html/2/stat
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*/
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struct p9_wstat {
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u16 size;
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u16 type;
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@ -498,12 +468,12 @@ struct p9_tstat {
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};
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struct p9_rstat {
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struct p9_stat stat;
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struct p9_wstat stat;
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};
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struct p9_twstat {
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u32 fid;
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struct p9_stat stat;
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struct p9_wstat stat;
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};
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struct p9_rwstat {
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@ -517,7 +487,6 @@ struct p9_rwstat {
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* @offset: used by marshalling routines to track currentposition in buffer
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* @capacity: used by marshalling routines to track total capacity
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* @sdata: payload
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* @params: per-operation parameters
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*
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* &p9_fcall represents the structure for all 9P RPC
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* transactions. Requests are packaged into fcalls, and reponses
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@ -535,66 +504,10 @@ struct p9_fcall {
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size_t capacity;
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uint8_t *sdata;
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union {
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struct p9_tversion tversion;
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struct p9_rversion rversion;
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struct p9_tauth tauth;
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struct p9_rauth rauth;
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struct p9_rerror rerror;
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struct p9_tflush tflush;
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struct p9_rflush rflush;
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struct p9_tattach tattach;
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struct p9_rattach rattach;
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struct p9_twalk twalk;
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struct p9_rwalk rwalk;
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struct p9_topen topen;
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struct p9_ropen ropen;
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struct p9_tcreate tcreate;
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struct p9_rcreate rcreate;
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struct p9_tread tread;
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struct p9_rread rread;
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struct p9_twrite twrite;
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struct p9_rwrite rwrite;
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struct p9_tclunk tclunk;
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struct p9_rclunk rclunk;
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struct p9_tremove tremove;
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struct p9_rremove rremove;
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struct p9_tstat tstat;
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struct p9_rstat rstat;
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struct p9_twstat twstat;
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struct p9_rwstat rwstat;
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} params;
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};
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struct p9_idpool;
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int p9_deserialize_stat(void *buf, u32 buflen, struct p9_stat *stat,
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int dotu);
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int p9_deserialize_fcall(void *buf, u32 buflen, struct p9_fcall *fc, int dotu);
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void p9_set_tag(struct p9_fcall *fc, u16 tag);
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struct p9_fcall *p9_create_tversion(u32 msize, char *version);
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struct p9_fcall *p9_create_tattach(u32 fid, u32 afid, char *uname,
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char *aname, u32 n_uname, int dotu);
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struct p9_fcall *p9_create_tauth(u32 afid, char *uname, char *aname,
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u32 n_uname, int dotu);
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struct p9_fcall *p9_create_tflush(u16 oldtag);
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struct p9_fcall *p9_create_twalk(u32 fid, u32 newfid, u16 nwname,
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char **wnames);
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struct p9_fcall *p9_create_topen(u32 fid, u8 mode);
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struct p9_fcall *p9_create_tcreate(u32 fid, char *name, u32 perm, u8 mode,
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char *extension, int dotu);
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struct p9_fcall *p9_create_tread(u32 fid, u64 offset, u32 count);
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struct p9_fcall *p9_create_twrite(u32 fid, u64 offset, u32 count,
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const char *data);
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struct p9_fcall *p9_create_twrite_u(u32 fid, u64 offset, u32 count,
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const char __user *data);
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struct p9_fcall *p9_create_tclunk(u32 fid);
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struct p9_fcall *p9_create_tremove(u32 fid);
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struct p9_fcall *p9_create_tstat(u32 fid);
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struct p9_fcall *p9_create_twstat(u32 fid, struct p9_wstat *wstat,
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int dotu);
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int p9_errstr2errno(char *errstr, int len);
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struct p9_idpool *p9_idpool_create(void);
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@ -206,6 +206,8 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst);
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struct p9_req_t *p9_tag_lookup(struct p9_client *, u16);
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void p9_client_cb(struct p9_client *c, struct p9_req_t *req);
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int p9stat_read(char *, int, struct p9_wstat *, int);
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void p9stat_free(struct p9_wstat *);
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#endif /* NET_9P_CLIENT_H */
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@ -4,7 +4,6 @@ obj-$(CONFIG_NET_9P_VIRTIO) += 9pnet_virtio.o
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9pnet-objs := \
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mod.o \
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client.o \
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conv.o \
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error.o \
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util.o \
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protocol.o \
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1054
net/9p/conv.c
1054
net/9p/conv.c
File diff suppressed because it is too large
Load diff
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@ -509,6 +509,19 @@ p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...)
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return ret;
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}
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int p9stat_read(char *buf, int len, struct p9_wstat *st, int dotu)
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{
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struct p9_fcall fake_pdu;
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fake_pdu.size = len;
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fake_pdu.capacity = len;
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fake_pdu.sdata = buf;
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fake_pdu.offset = 0;
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return p9pdu_readf(&fake_pdu, dotu, "S", st);
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}
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EXPORT_SYMBOL(p9stat_read);
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int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type)
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{
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return p9pdu_writef(pdu, 0, "dbw", 0, type, tag);
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