mirror of https://gitee.com/openkylin/linux.git
[PATCH] cifs: Gracefully turn off serverino (when serverino is enabled on mount)
Old servers such as NT4 do not support this level of FindFirst (and retry with a lower infolevel) Signed-off-by: Steve French (sfrench@us.ibm.com) Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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parent
f654bac222
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75cf6bdc52
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@ -206,7 +206,7 @@ static const struct {
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{
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ERRDOS, ERRgeneral, NT_STATUS_UNSUCCESSFUL}, {
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ERRDOS, ERRbadfunc, NT_STATUS_NOT_IMPLEMENTED}, {
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ERRDOS, 87, NT_STATUS_INVALID_INFO_CLASS}, {
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ERRDOS, ERRinvlevel, NT_STATUS_INVALID_INFO_CLASS}, {
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ERRDOS, 24, NT_STATUS_INFO_LENGTH_MISMATCH}, {
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ERRHRD, ERRgeneral, NT_STATUS_ACCESS_VIOLATION}, {
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ERRHRD, ERRgeneral, NT_STATUS_IN_PAGE_ERROR}, {
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@ -323,6 +323,7 @@ static int initiate_cifs_search(const int xid, struct file *file)
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cFYI(1, ("Full path: %s start at: %lld ", full_path, file->f_pos));
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ffirst_retry:
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/* test for Unix extensions */
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if (pTcon->ses->capabilities & CAP_UNIX) {
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cifsFile->srch_inf.info_level = SMB_FIND_FILE_UNIX;
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@ -336,6 +337,11 @@ static int initiate_cifs_search(const int xid, struct file *file)
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&cifsFile->netfid, &cifsFile->srch_inf);
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if(rc == 0)
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cifsFile->invalidHandle = FALSE;
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if((rc == -EOPNOTSUPP) &&
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(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) {
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cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SERVER_INUM;
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goto ffirst_retry;
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}
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kfree(full_path);
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return rc;
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}
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