diff options
author | Steve French <stfrench@microsoft.com> | 2019-08-29 22:33:38 -0500 |
---|---|---|
committer | Steve French <stfrench@microsoft.com> | 2019-09-16 11:43:37 -0500 |
commit | 1981ebaabd88a9b3e550b6163c570a498c32a1f5 (patch) | |
tree | fac060a88a7ec38d9cebbcfd0919387d0b734110 | |
parent | 83bbfa706dda668deb60e96df20327fc79e1716f (diff) | |
download | linux-1981ebaabd88a9b3e550b6163c570a498c32a1f5.tar.bz2 |
smb3: add some more descriptive messages about share when mounting cache=ro
Add some additional logging so the user can see if the share they
mounted with cache=ro is considered read only by the server
CIFS: Attempting to mount //localhost/test
CIFS VFS: mounting share with read only caching. Ensure that the share will not be modified while in use.
CIFS VFS: read only mount of RW share
CIFS: Attempting to mount //localhost/test-ro
CIFS VFS: mounting share with read only caching. Ensure that the share will not be modified while in use.
CIFS VFS: mounted to read only share
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
-rw-r--r-- | fs/cifs/connect.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 4e622953dd5a..072c01f4e9c1 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -4197,8 +4197,16 @@ static int mount_get_conns(struct smb_vol *vol, struct cifs_sb_info *cifs_sb, tcon->unix_ext = 0; /* server does not support them */ /* do not care if a following call succeed - informational */ - if (!tcon->pipe && server->ops->qfs_tcon) + if (!tcon->pipe && server->ops->qfs_tcon) { server->ops->qfs_tcon(*xid, tcon); + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RO_CACHE) { + if (tcon->fsDevInfo.DeviceCharacteristics & + FILE_READ_ONLY_DEVICE) + cifs_dbg(VFS, "mounted to read only share\n"); + else + cifs_dbg(VFS, "read only mount of RW share\n"); + } + } cifs_sb->wsize = server->ops->negotiate_wsize(tcon, vol); cifs_sb->rsize = server->ops->negotiate_rsize(tcon, vol); |