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| author | Steve French | 2013-10-09 09:07:00 +0200 |
|---|---|---|
| committer | Steve French | 2013-10-28 15:22:55 +0100 |
| commit | 34f626406c09dd45878ce75170abab342985ec24 (patch) | |
| tree | 6904e8c808392920874febebf28129e6d1a1b974 /fs/cifs/smb2ops.c | |
| parent | Allow setting per-file compression via SMB2/3 (diff) | |
| download | kernel-qcow2-linux-34f626406c09dd45878ce75170abab342985ec24.tar.gz kernel-qcow2-linux-34f626406c09dd45878ce75170abab342985ec24.tar.xz kernel-qcow2-linux-34f626406c09dd45878ce75170abab342985ec24.zip | |
Query file system attributes from server on SMB2, not just cifs, mounts
Currently SMB2 and SMB3 mounts do not query the file system attributes
from the server at mount time as is done for cifs. These can be useful for debugging.
Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/smb2ops.c')
| -rw-r--r-- | fs/cifs/smb2ops.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index b96bacce955a..a53e2053ae9d 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -209,6 +209,31 @@ smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) return rsize; } +static void +smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) +{ + int rc; + __le16 srch_path = 0; /* Null - open root of share */ + u8 oplock = SMB2_OPLOCK_LEVEL_NONE; + struct cifs_open_parms oparms; + struct cifs_fid fid; + + oparms.tcon = tcon; + oparms.desired_access = FILE_READ_ATTRIBUTES; + oparms.disposition = FILE_OPEN; + oparms.create_options = 0; + oparms.fid = &fid; + oparms.reconnect = false; + + rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); + if (rc) + return; + + SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid); + SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); + return; +} + static int smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, struct cifs_sb_info *cifs_sb, const char *full_path) @@ -873,6 +898,7 @@ struct smb_version_operations smb20_operations = { .logoff = SMB2_logoff, .tree_connect = SMB2_tcon, .tree_disconnect = SMB2_tdis, + .qfs_tcon = smb2_qfs_tcon, .is_path_accessible = smb2_is_path_accessible, .can_echo = smb2_can_echo, .echo = SMB2_echo, @@ -945,6 +971,7 @@ struct smb_version_operations smb21_operations = { .logoff = SMB2_logoff, .tree_connect = SMB2_tcon, .tree_disconnect = SMB2_tdis, + .qfs_tcon = smb2_qfs_tcon, .is_path_accessible = smb2_is_path_accessible, .can_echo = smb2_can_echo, .echo = SMB2_echo, @@ -1018,6 +1045,7 @@ struct smb_version_operations smb30_operations = { .logoff = SMB2_logoff, .tree_connect = SMB2_tcon, .tree_disconnect = SMB2_tdis, + .qfs_tcon = smb2_qfs_tcon, .is_path_accessible = smb2_is_path_accessible, .can_echo = smb2_can_echo, .echo = SMB2_echo, |