diff options
Diffstat (limited to 'fs/cifs/smb2ops.c')
| -rw-r--r-- | fs/cifs/smb2ops.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 6dfb865ee9d7..a81758225fcd 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -530,6 +530,14 @@ parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf, p = buf; spin_lock(&ses->iface_lock); + /* do not query too frequently, this time with lock held */ + if (ses->iface_last_update && + time_before(jiffies, ses->iface_last_update + + (SMB_INTERFACE_POLL_INTERVAL * HZ))) { + spin_unlock(&ses->iface_lock); + return 0; + } + /* * Go through iface_list and do kref_put to remove * any unused ifaces. ifaces in use will be removed @@ -696,6 +704,12 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon, bool in_ struct network_interface_info_ioctl_rsp *out_buf = NULL; struct cifs_ses *ses = tcon->ses; + /* do not query too frequently */ + if (ses->iface_last_update && + time_before(jiffies, ses->iface_last_update + + (SMB_INTERFACE_POLL_INTERVAL * HZ))) + return 0; + rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, FSCTL_QUERY_NETWORK_INTERFACE_INFO, NULL /* no data input */, 0 /* no data input */, @@ -703,7 +717,7 @@ SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon, bool in_ if (rc == -EOPNOTSUPP) { cifs_dbg(FYI, "server does not support query network interfaces\n"); - goto out; + ret_data_len = 0; } else if (rc != 0) { cifs_tcon_dbg(VFS, "error %d on ioctl to get interface list\n", rc); goto out; @@ -731,6 +745,7 @@ smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = "", .desired_access = FILE_READ_ATTRIBUTES, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, 0), @@ -774,6 +789,7 @@ smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = "", .desired_access = FILE_READ_ATTRIBUTES, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, 0), @@ -821,6 +837,7 @@ smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = full_path, .desired_access = FILE_READ_ATTRIBUTES, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, 0), @@ -1105,6 +1122,7 @@ smb2_set_ea(const unsigned int xid, struct cifs_tcon *tcon, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = path, .desired_access = FILE_WRITE_EA, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, 0), @@ -2096,6 +2114,7 @@ smb3_notify(const unsigned int xid, struct file *pfile, tcon = cifs_sb_master_tcon(cifs_sb); oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = path, .desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, 0), @@ -2168,6 +2187,7 @@ smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = path, .desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, 0), @@ -2500,6 +2520,7 @@ smb2_query_info_compound(const unsigned int xid, struct cifs_tcon *tcon, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = path, .desired_access = desired_access, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, 0), @@ -2634,6 +2655,7 @@ smb311_queryfs(const unsigned int xid, struct cifs_tcon *tcon, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = "", .desired_access = FILE_READ_ATTRIBUTES, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, 0), @@ -2928,6 +2950,7 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = full_path, .desired_access = FILE_READ_ATTRIBUTES, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, create_options), @@ -3068,6 +3091,7 @@ smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = full_path, .desired_access = FILE_READ_ATTRIBUTES, .disposition = FILE_OPEN, .create_options = cifs_create_options(cifs_sb, OPEN_REPARSE_POINT), @@ -3208,6 +3232,7 @@ get_smb2_acl_by_path(struct cifs_sb_info *cifs_sb, oparms = (struct cifs_open_parms) { .tcon = tcon, + .path = path, .desired_access = READ_CONTROL, .disposition = FILE_OPEN, /* |