diff options
Diffstat (limited to 'fs/smb')
| -rw-r--r-- | fs/smb/client/cifs_ioctl.h | 6 | ||||
| -rw-r--r-- | fs/smb/client/ioctl.c | 25 |
2 files changed, 31 insertions, 0 deletions
diff --git a/fs/smb/client/cifs_ioctl.h b/fs/smb/client/cifs_ioctl.h index 332588e77c31..26327442e383 100644 --- a/fs/smb/client/cifs_ioctl.h +++ b/fs/smb/client/cifs_ioctl.h @@ -26,6 +26,11 @@ struct smb_mnt_fs_info { __u64 cifs_posix_caps; } __packed; +struct smb_mnt_tcon_info { + __u32 tid; + __u64 session_id; +} __packed; + struct smb_snapshot_array { __u32 number_of_snapshots; __u32 number_of_snapshots_returned; @@ -108,6 +113,7 @@ struct smb3_notify_info { #define CIFS_IOC_NOTIFY _IOW(CIFS_IOCTL_MAGIC, 9, struct smb3_notify) #define CIFS_DUMP_FULL_KEY _IOWR(CIFS_IOCTL_MAGIC, 10, struct smb3_full_key_debug_info) #define CIFS_IOC_NOTIFY_INFO _IOWR(CIFS_IOCTL_MAGIC, 11, struct smb3_notify_info) +#define CIFS_IOC_GET_TCON_INFO _IOR(CIFS_IOCTL_MAGIC, 12, struct smb_mnt_tcon_info) #define CIFS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* diff --git a/fs/smb/client/ioctl.c b/fs/smb/client/ioctl.c index f7160003e0ed..73ededa8eba5 100644 --- a/fs/smb/client/ioctl.c +++ b/fs/smb/client/ioctl.c @@ -117,6 +117,20 @@ out_drop_write: return rc; } +static long smb_mnt_get_tcon_info(struct cifs_tcon *tcon, void __user *arg) +{ + int rc = 0; + struct smb_mnt_tcon_info tcon_inf; + + tcon_inf.tid = tcon->tid; + tcon_inf.session_id = tcon->ses->Suid; + + if (copy_to_user(arg, &tcon_inf, sizeof(struct smb_mnt_tcon_info))) + rc = -EFAULT; + + return rc; +} + static long smb_mnt_get_fsinfo(unsigned int xid, struct cifs_tcon *tcon, void __user *arg) { @@ -414,6 +428,17 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) tcon = tlink_tcon(pSMBFile->tlink); rc = smb_mnt_get_fsinfo(xid, tcon, (void __user *)arg); break; + case CIFS_IOC_GET_TCON_INFO: + cifs_sb = CIFS_SB(inode->i_sb); + tlink = cifs_sb_tlink(cifs_sb); + if (IS_ERR(tlink)) { + rc = PTR_ERR(tlink); + break; + } + tcon = tlink_tcon(tlink); + rc = smb_mnt_get_tcon_info(tcon, (void __user *)arg); + cifs_put_tlink(tlink); + break; case CIFS_ENUMERATE_SNAPSHOTS: if (pSMBFile == NULL) break; |