X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2F9p%2Fvfs_dir.c;h=e298fe1940933544f537401d13b8295aaafe3875;hb=ba6271ea6324decab4c47c4a55de95188d930792;hp=1dd86ee90bc53eb0cf5d4d11ae40c812123f8d34;hpb=9b6a51746ffe8d619f1097675d2dc5e303470024;p=linux-2.6 diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c index 1dd86ee90b..e298fe1940 100644 --- a/fs/9p/vfs_dir.c +++ b/fs/9p/vfs_dir.c @@ -32,11 +32,10 @@ #include #include #include +#include +#include -#include "debug.h" #include "v9fs.h" -#include "9p.h" -#include "conv.h" #include "v9fs_vfs.h" #include "fid.h" @@ -46,14 +45,14 @@ * */ -static inline int dt_type(struct v9fs_stat *mistat) +static inline int dt_type(struct p9_stat *mistat) { unsigned long perm = mistat->mode; int rettype = DT_REG; - if (perm & V9FS_DMDIR) + if (perm & P9_DMDIR) rettype = DT_DIR; - if (perm & V9FS_DMSYMLINK) + if (perm & P9_DMSYMLINK) rettype = DT_LNK; return rettype; @@ -61,7 +60,7 @@ static inline int dt_type(struct v9fs_stat *mistat) /** * v9fs_dir_readdir - read a directory - * @filep: opened file structure + * @filp: opened file structure * @dirent: directory structure ??? * @filldir: function to populate directory structure ??? * @@ -69,106 +68,36 @@ static inline int dt_type(struct v9fs_stat *mistat) static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir) { - struct v9fs_fcall *fcall = NULL; - struct inode *inode = filp->f_path.dentry->d_inode; - struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode); - struct v9fs_fid *file = filp->private_data; - unsigned int i, n, s; - int fid = -1; - int ret = 0; - struct v9fs_stat stat; - int over = 0; - - dprintk(DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name); - - fid = file->fid; - - if (file->rdir_fcall && (filp->f_pos != file->rdir_pos)) { - kfree(file->rdir_fcall); - file->rdir_fcall = NULL; - } - - if (file->rdir_fcall) { - n = file->rdir_fcall->params.rread.count; - i = file->rdir_fpos; - while (i < n) { - s = v9fs_deserialize_stat( - file->rdir_fcall->params.rread.data + i, - n - i, &stat, v9ses->extended); - - if (s == 0) { - dprintk(DEBUG_ERROR, - "error while deserializing stat\n"); - ret = -EIO; - goto FreeStructs; - } - - over = filldir(dirent, stat.name.str, stat.name.len, - filp->f_pos, v9fs_qid2ino(&stat.qid), - dt_type(&stat)); - - if (over) { - file->rdir_fpos = i; - file->rdir_pos = filp->f_pos; - break; - } - - i += s; - filp->f_pos += s; - } - - if (!over) { - kfree(file->rdir_fcall); - file->rdir_fcall = NULL; - } - } - - while (!over) { - ret = v9fs_t_read(v9ses, fid, filp->f_pos, - v9ses->maxdata-V9FS_IOHDRSZ, &fcall); - if (ret < 0) { - dprintk(DEBUG_ERROR, "error while reading: %d: %p\n", - ret, fcall); - goto FreeStructs; - } else if (ret == 0) + int over; + struct p9_fid *fid; + struct v9fs_session_info *v9ses; + struct inode *inode; + struct p9_stat *st; + + P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name); + inode = filp->f_path.dentry->d_inode; + v9ses = v9fs_inode2v9ses(inode); + fid = filp->private_data; + while ((st = p9_client_dirread(fid, filp->f_pos)) != NULL) { + if (IS_ERR(st)) + return PTR_ERR(st); + + over = filldir(dirent, st->name.str, st->name.len, filp->f_pos, + v9fs_qid2ino(&st->qid), dt_type(st)); + + if (over) break; - n = ret; - i = 0; - while (i < n) { - s = v9fs_deserialize_stat(fcall->params.rread.data + i, - n - i, &stat, v9ses->extended); - - if (s == 0) { - dprintk(DEBUG_ERROR, - "error while deserializing stat\n"); - return -EIO; - } - - over = filldir(dirent, stat.name.str, stat.name.len, - filp->f_pos, v9fs_qid2ino(&stat.qid), - dt_type(&stat)); - - if (over) { - file->rdir_fcall = fcall; - file->rdir_fpos = i; - file->rdir_pos = filp->f_pos; - fcall = NULL; - break; - } - - i += s; - filp->f_pos += s; - } - - kfree(fcall); + filp->f_pos += st->size; + kfree(st); + st = NULL; } - FreeStructs: - kfree(fcall); - return ret; + kfree(st); + return 0; } + /** * v9fs_dir_release - close a directory * @inode: inode of the directory @@ -178,34 +107,19 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir) int v9fs_dir_release(struct inode *inode, struct file *filp) { - struct v9fs_session_info *v9ses = v9fs_inode2v9ses(inode); - struct v9fs_fid *fid = filp->private_data; - int fidnum = -1; - - dprintk(DEBUG_VFS, "inode: %p filp: %p fid: %d\n", inode, filp, - fid->fid); - fidnum = fid->fid; + struct p9_fid *fid; + fid = filp->private_data; + P9_DPRINTK(P9_DEBUG_VFS, + "inode: %p filp: %p fid: %d\n", inode, filp, fid->fid); filemap_write_and_wait(inode->i_mapping); - - if (fidnum >= 0) { - dprintk(DEBUG_VFS, "fidopen: %d v9f->fid: %d\n", fid->fidopen, - fid->fid); - - if (v9fs_t_clunk(v9ses, fidnum)) - dprintk(DEBUG_ERROR, "clunk failed\n"); - - kfree(fid->rdir_fcall); - kfree(fid); - - filp->private_data = NULL; - } - + p9_client_clunk(fid); return 0; } const struct file_operations v9fs_dir_operations = { .read = generic_read_dir, + .llseek = generic_file_llseek, .readdir = v9fs_dir_readdir, .open = v9fs_file_open, .release = v9fs_dir_release,