[linux-cifs-client] mkdir -p problem
piastry at etersoft.ru
Thu Feb 26 21:24:58 GMT 2009
I have such a situation.
I mount samba share with uid options and try to exec mkdir command. I have
that cifs driver don't set uid during the one second - that's why i have a
problem with creating hierarchy of directories. Cifs creates the first
directory and when it try to create the second in it gets permission denied
because driver don't set uid that I chose during mounting.
I looked on the code and found such an interesting thing:
when driver create directory, it calls posix_fill_in_inode() function that
calls cifs_unix_info_to_inode() with force_uid_gid = 1 - driver don't set
mnt_uid and mnt_gid after creating even if they were chosen.
That's why when I tried to "mkdir -p 1/2/3" in root share directory it failed.
I patched it with:
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 9c548f1..e02de2b 100644
@@ -843,7 +843,7 @@ static void posix_fill_in_inode(struct inode *tmp_inode,
local_mtime = tmp_inode->i_mtime;
local_size = tmp_inode->i_size;
- cifs_unix_info_to_inode(tmp_inode, pData, 1);
+ cifs_unix_info_to_inode(tmp_inode, pData, 0);
and mkdir -p worked successful. Is it a bug or there are some other reason to
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