cifs: use cifs_dirent in cifs_save_resume_key

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 6255fa812c7a28b2071ced3f7585cb2359e6a3c4..1fcf4e5b3112752c09180f7ec4e4e17b7693a742 100644 (file)
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -501,7 +501,7 @@ struct cifs_search_info {
        char *ntwrk_buf_start;
        char *srch_entries_start;
        char *last_entry;
-       char *presume_name;
+       const char *presume_name;
        unsigned int resume_name_len;
        bool endOfSearch:1;
        bool emptyDir:1;

diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 47bb1b8cd305cfe18db9863efb13ae47380a525b..36885a368fa8e9f76dd249876d9110caebe0e3f5 100644 (file)
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -478,66 +478,18 @@ static int is_dir_changed(struct file *file)
 }
 
 static int cifs_save_resume_key(const char *current_entry,
-       struct cifsFileInfo *cifsFile)
+       struct cifsFileInfo *file_info)
 {
-       int rc = 0;
-       unsigned int len = 0;
-       __u16 level;
-       char *filename;
-
-       if ((cifsFile == NULL) || (current_entry == NULL))
-               return -EINVAL;
-
-       level = cifsFile->srch_inf.info_level;
-
-       if (level == SMB_FIND_FILE_UNIX) {
-               FILE_UNIX_INFO *pFindData = (FILE_UNIX_INFO *)current_entry;
+       struct cifs_dirent de;
+       int rc;
 
-               filename = &pFindData->FileName[0];
-               if (cifsFile->srch_inf.unicode) {
-                       len = cifs_unicode_bytelen(filename);
-               } else {
-                       /* BB should we make this strnlen of PATH_MAX? */
-                       len = strnlen(filename, PATH_MAX);
-               }
-               cifsFile->srch_inf.resume_key = pFindData->ResumeKey;
-       } else if (level == SMB_FIND_FILE_DIRECTORY_INFO) {
-               FILE_DIRECTORY_INFO *pFindData =
-                       (FILE_DIRECTORY_INFO *)current_entry;
-               filename = &pFindData->FileName[0];
-               len = le32_to_cpu(pFindData->FileNameLength);
-               cifsFile->srch_inf.resume_key = pFindData->FileIndex;
-       } else if (level == SMB_FIND_FILE_FULL_DIRECTORY_INFO) {
-               FILE_FULL_DIRECTORY_INFO *pFindData =
-                       (FILE_FULL_DIRECTORY_INFO *)current_entry;
-               filename = &pFindData->FileName[0];
-               len = le32_to_cpu(pFindData->FileNameLength);
-               cifsFile->srch_inf.resume_key = pFindData->FileIndex;
-       } else if (level == SMB_FIND_FILE_ID_FULL_DIR_INFO) {
-               SEARCH_ID_FULL_DIR_INFO *pFindData =
-                       (SEARCH_ID_FULL_DIR_INFO *)current_entry;
-               filename = &pFindData->FileName[0];
-               len = le32_to_cpu(pFindData->FileNameLength);
-               cifsFile->srch_inf.resume_key = pFindData->FileIndex;
-       } else if (level == SMB_FIND_FILE_BOTH_DIRECTORY_INFO) {
-               FILE_BOTH_DIRECTORY_INFO *pFindData =
-                       (FILE_BOTH_DIRECTORY_INFO *)current_entry;
-               filename = &pFindData->FileName[0];
-               len = le32_to_cpu(pFindData->FileNameLength);
-               cifsFile->srch_inf.resume_key = pFindData->FileIndex;
-       } else if (level == SMB_FIND_FILE_INFO_STANDARD) {
-               FIND_FILE_STANDARD_INFO *pFindData =
-                       (FIND_FILE_STANDARD_INFO *)current_entry;
-               filename = &pFindData->FileName[0];
-               /* one byte length, no name conversion */
-               len = (unsigned int)pFindData->FileNameLength;
-               cifsFile->srch_inf.resume_key = pFindData->ResumeKey;
-       } else {
-               cFYI(1, "Unknown findfirst level %d", level);
-               return -EINVAL;
+       rc = cifs_fill_dirent(&de, current_entry, file_info->srch_inf.info_level,
+                             file_info->srch_inf.unicode);
+       if (!rc) {
+               file_info->srch_inf.presume_name = de.name;
+               file_info->srch_inf.resume_name_len = de.namelen;
+               file_info->srch_inf.resume_key = de.resume_key;
        }
-       cifsFile->srch_inf.resume_name_len = len;
-       cifsFile->srch_inf.presume_name = filename;
        return rc;
 }