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authorSteve French <sfrench@us.ibm.com>2007-02-14 05:42:51 +0100
committerSteve French <sfrench@us.ibm.com>2007-02-14 05:42:51 +0100
commit8af18971584d1e05770560206cfdfd1d6ba8a17f (patch)
tree5720ee5fa4de18eebc64d41b761e2f890d99b35e /fs/cifs/cifssmb.c
parent[CIFS] Allow update of EOF on remote extend of file (diff)
downloadlinux-8af18971584d1e05770560206cfdfd1d6ba8a17f.tar.xz
linux-8af18971584d1e05770560206cfdfd1d6ba8a17f.zip
[CIFS] on reconnect to Samba - reset the unix capabilities
After temporary server or network failure and reconneciton, we were not resending the unix capabilities via SetFSInfo - which confused Samba posix byte range locking code. Discovered by jra Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r--fs/cifs/cifssmb.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 472e33e0f3cf..b8e91470c27f 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -158,9 +158,15 @@ small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
nls_codepage);
if(!rc && (tcon->tidStatus == CifsNeedReconnect)) {
mark_open_files_invalid(tcon);
- rc = CIFSTCon(0, tcon->ses, tcon->treeName, tcon
- , nls_codepage);
+ rc = CIFSTCon(0, tcon->ses, tcon->treeName,
+ tcon, nls_codepage);
up(&tcon->ses->sesSem);
+ /* tell server which Unix caps we support */
+ if (tcon->ses->capabilities & CAP_UNIX)
+ reset_cifs_unix_caps(0 /* no xid */,
+ tcon,
+ NULL /* we do not know sb */,
+ NULL /* no vol info */);
/* BB FIXME add code to check if wsize needs
update due to negotiated smb buffer size
shrinking */
@@ -298,6 +304,12 @@ smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
rc = CIFSTCon(0, tcon->ses, tcon->treeName,
tcon, nls_codepage);
up(&tcon->ses->sesSem);
+ /* tell server which Unix caps we support */
+ if (tcon->ses->capabilities & CAP_UNIX)
+ reset_cifs_unix_caps(0 /* no xid */,
+ tcon,
+ NULL /* do not know sb */,
+ NULL /* no vol info */);
/* BB FIXME add code to check if wsize needs
update due to negotiated smb buffer size
shrinking */