diff options
Diffstat (limited to 'fs/cifs/connect.c')
| -rw-r--r-- | fs/cifs/connect.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index e568cc47a7f9..bef5d6f30975 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -74,6 +74,7 @@ struct smb_vol { unsigned server_ino:1; /* use inode numbers from server ie UniqueId */ unsigned direct_io:1; unsigned remap:1; /* set to remap seven reserved chars in filenames */ + unsigned posix_paths:1; /* unset to not ask for posix pathnames. */ unsigned int rsize; unsigned int wsize; unsigned int sockopt; @@ -745,6 +746,9 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol) /* vol->retry default is 0 (i.e. "soft" limited retry not hard retry) */ vol->rw = TRUE; + /* default is always to request posix paths. */ + vol->posix_paths = 1; + if (!options) return 1; @@ -1023,6 +1027,10 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol) vol->remap = 1; } else if (strnicmp(data, "nomapchars", 10) == 0) { vol->remap = 0; + } else if (strnicmp(data, "posixpaths", 10) == 0) { + vol->posix_paths = 1; + } else if (strnicmp(data, "noposixpaths", 12) == 0) { + vol->posix_paths = 0; } else if (strnicmp(data, "setuids", 7) == 0) { vol->setuids = 1; } else if (strnicmp(data, "nosetuids", 9) == 0) { @@ -1679,6 +1687,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb, cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SPECIAL_CHR; if(volume_info.no_xattr) cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_XATTR; + if(volume_info.direct_io) { cERROR(1,("mounting share using direct i/o")); cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO; @@ -1781,6 +1790,17 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb, cFYI(1,("server negotiated posix acl support")); sb->s_flags |= MS_POSIXACL; } + + /* Try and negotiate POSIX pathnames if we can. */ + if (volume_info.posix_paths && (CIFS_UNIX_POSIX_PATHNAMES_CAP & + le64_to_cpu(tcon->fsUnixInfo.Capability))) { + if (!CIFSSMBSETFSUnixInfo(xid, tcon, CIFS_UNIX_POSIX_PATHNAMES_CAP, 0)) { + cFYI(1,("negotiated posix pathnames support")); + cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_POSIX_PATHS; + } else { + cFYI(1,("posix pathnames support requested but not supported")); + } + } } } } |