diff options
Diffstat (limited to 'fs/cifs/readdir.c')
| -rw-r--r-- | fs/cifs/readdir.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index b5b0a2a41bef..99dfb5337e31 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -68,30 +68,30 @@ static int construct_dentry(struct qstr *qstring, struct file *file, int rc = 0; cFYI(1, ("For %s", qstring->name)); - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; qstring->hash = full_name_hash(qstring->name, qstring->len); - tmp_dentry = d_lookup(file->f_dentry, qstring); + tmp_dentry = d_lookup(file->f_path.dentry, qstring); if (tmp_dentry) { cFYI(0, ("existing dentry with inode 0x%p", tmp_dentry->d_inode)); *ptmp_inode = tmp_dentry->d_inode; /* BB overwrite old name? i.e. tmp_dentry->d_name and tmp_dentry->d_name.len??*/ if(*ptmp_inode == NULL) { - *ptmp_inode = new_inode(file->f_dentry->d_sb); + *ptmp_inode = new_inode(file->f_path.dentry->d_sb); if(*ptmp_inode == NULL) return rc; rc = 1; } } else { - tmp_dentry = d_alloc(file->f_dentry, qstring); + tmp_dentry = d_alloc(file->f_path.dentry, qstring); if(tmp_dentry == NULL) { cERROR(1,("Failed allocating dentry")); *ptmp_inode = NULL; return rc; } - *ptmp_inode = new_inode(file->f_dentry->d_sb); + *ptmp_inode = new_inode(file->f_path.dentry->d_sb); if (pTcon->nocase) tmp_dentry->d_op = &cifs_ci_dentry_ops; else @@ -432,10 +432,10 @@ static int initiate_cifs_search(const int xid, struct file *file) cifsFile->invalidHandle = TRUE; cifsFile->srch_inf.endOfSearch = FALSE; - if(file->f_dentry == NULL) + if(file->f_path.dentry == NULL) return -ENOENT; - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); if(cifs_sb == NULL) return -EINVAL; @@ -443,7 +443,7 @@ static int initiate_cifs_search(const int xid, struct file *file) if(pTcon == NULL) return -EINVAL; - full_path = build_path_from_dentry(file->f_dentry); + full_path = build_path_from_dentry(file->f_path.dentry); if(full_path == NULL) { return -ENOMEM; @@ -609,10 +609,10 @@ static int is_dir_changed(struct file * file) struct inode * inode; struct cifsInodeInfo *cifsInfo; - if(file->f_dentry == NULL) + if(file->f_path.dentry == NULL) return 0; - inode = file->f_dentry->d_inode; + inode = file->f_path.dentry->d_inode; if(inode == NULL) return 0; @@ -839,7 +839,7 @@ static int cifs_filldir(char *pfindEntry, struct file *file, if((scratch_buf == NULL) || (pfindEntry == NULL) || (pCifsF == NULL)) return -ENOENT; - if(file->f_dentry == NULL) + if(file->f_path.dentry == NULL) return -ENOENT; rc = cifs_entry_is_dot(pfindEntry,pCifsF); @@ -847,7 +847,7 @@ static int cifs_filldir(char *pfindEntry, struct file *file, if(rc != 0) return 0; - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); qstring.name = scratch_buf; rc = cifs_get_name_from_search_buf(&qstring,pfindEntry, @@ -896,6 +896,10 @@ static int cifs_filldir(char *pfindEntry, struct file *file, tmp_inode->i_ino,obj_type); if(rc) { cFYI(1,("filldir rc = %d",rc)); + /* we can not return filldir errors to the caller + since they are "normal" when the stat blocksize + is too small - we return remapped error instead */ + rc = -EOVERFLOW; } dput(tmp_dentry); @@ -981,12 +985,12 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) xid = GetXid(); - if(file->f_dentry == NULL) { + if(file->f_path.dentry == NULL) { FreeXid(xid); return -EIO; } - cifs_sb = CIFS_SB(file->f_dentry->d_sb); + cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); pTcon = cifs_sb->tcon; if(pTcon == NULL) return -EINVAL; @@ -994,7 +998,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) switch ((int) file->f_pos) { case 0: if (filldir(direntry, ".", 1, file->f_pos, - file->f_dentry->d_inode->i_ino, DT_DIR) < 0) { + file->f_path.dentry->d_inode->i_ino, DT_DIR) < 0) { cERROR(1, ("Filldir for current dir failed")); rc = -ENOMEM; break; @@ -1002,7 +1006,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) file->f_pos++; case 1: if (filldir(direntry, "..", 2, file->f_pos, - file->f_dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) { + file->f_path.dentry->d_parent->d_inode->i_ino, DT_DIR) < 0) { cERROR(1, ("Filldir for parent dir failed")); rc = -ENOMEM; break; @@ -1074,6 +1078,11 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir) we want to check for that here? */ rc = cifs_filldir(current_entry, file, filldir, direntry, tmp_buf, max_len); + if(rc == -EOVERFLOW) { + rc = 0; + break; + } + file->f_pos++; if(file->f_pos == cifsFile->srch_inf.index_of_last_entry) { |