diff options
Diffstat (limited to 'fs/cifs/connect.c')
| -rw-r--r-- | fs/cifs/connect.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index abbc6c3fe3f1..70dd2c418276 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -831,6 +831,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, { char *value, *data, *end; char *mountdata_copy = NULL, *options; + int err; unsigned int temp_len, i, j; char separator[2]; short int override_uid = -1; @@ -887,6 +888,8 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, cFYI(1, "Null separator not allowed"); } } + vol->backupuid_specified = false; /* no backup intent for a user */ + vol->backupgid_specified = false; /* no backup intent for a group */ while ((data = strsep(&options, separator)) != NULL) { if (!*data) @@ -1446,6 +1449,22 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, vol->mfsymlinks = true; } else if (strnicmp(data, "multiuser", 8) == 0) { vol->multiuser = true; + } else if (!strnicmp(data, "backupuid", 9) && value && *value) { + err = kstrtouint(value, 0, &vol->backupuid); + if (err < 0) { + cERROR(1, "%s: Invalid backupuid value", + __func__); + goto cifs_parse_mount_err; + } + vol->backupuid_specified = true; + } else if (!strnicmp(data, "backupgid", 9) && value && *value) { + err = kstrtouint(value, 0, &vol->backupgid); + if (err < 0) { + cERROR(1, "%s: Invalid backupgid value", + __func__); + goto cifs_parse_mount_err; + } + vol->backupgid_specified = true; } else printk(KERN_WARNING "CIFS: Unknown mount option %s\n", data); @@ -2737,6 +2756,10 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, cifs_sb->mnt_uid = pvolume_info->linux_uid; cifs_sb->mnt_gid = pvolume_info->linux_gid; + if (pvolume_info->backupuid_specified) + cifs_sb->mnt_backupuid = pvolume_info->backupuid; + if (pvolume_info->backupgid_specified) + cifs_sb->mnt_backupgid = pvolume_info->backupgid; cifs_sb->mnt_file_mode = pvolume_info->file_mode; cifs_sb->mnt_dir_mode = pvolume_info->dir_mode; cFYI(1, "file mode: 0x%x dir mode: 0x%x", @@ -2767,6 +2790,10 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_RWPIDFORWARD; if (pvolume_info->cifs_acl) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL; + if (pvolume_info->backupuid_specified) + cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPUID; + if (pvolume_info->backupgid_specified) + cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPGID; if (pvolume_info->override_uid) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_UID; if (pvolume_info->override_gid) |