diff options
| author | Steve French <stfrench@microsoft.com> | 2022-08-01 11:17:46 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-08-05 11:24:03 -0500 |
| commit | fb157ed226d225b6a149ed63a7831f6bdde7b911 (patch) | |
| tree | 939b77f3493e539c09be580e54300bdd2553fc17 /fs/cifs/link.c | |
| parent | 97b82c07c4217260e448ef774e6099abf608bd1d (diff) | |
| download | lwn-fb157ed226d225b6a149ed63a7831f6bdde7b911.tar.gz lwn-fb157ed226d225b6a149ed63a7831f6bdde7b911.zip | |
cifs: when insecure legacy is disabled shrink amount of SMB1 code
Currently much of the smb1 code is built even when
CONFIG_CIFS_ALLOW_INSECURE_LEGACY is disabled.
Move cifssmb.c to only be compiled when insecure legacy is disabled,
and move various SMB1/CIFS helper functions to that ifdef. Some
functions that were not SMB1/CIFS specific needed to be moved out of
cifssmb.c
This shrinks cifs.ko by more than 10% which is good - but also will
help with the eventual movement of the legacy code to a distinct
module. Follow on patches can shrink the number of ifdefs by
code restructuring where smb1 code is wedged in functions that
should be calling dialect specific helper functions instead,
and also by moving some functions from file.c/dir.c/inode.c into
smb1 specific c files.
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/link.c')
| -rw-r--r-- | fs/cifs/link.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/cifs/link.c b/fs/cifs/link.c index bbdf3281559c..6803cb27eecc 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -286,6 +286,7 @@ out: return rc; } +#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY /* * SMB 1.0 Protocol specific functions */ @@ -368,6 +369,7 @@ cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, CIFSSMBClose(xid, tcon, fid.netfid); return rc; } +#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */ /* * SMB 2.1/SMB3 Protocol specific functions @@ -532,11 +534,15 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, goto cifs_hl_exit; } +#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY if (tcon->unix_ext) rc = CIFSUnixCreateHardLink(xid, tcon, from_name, to_name, cifs_sb->local_nls, cifs_remap(cifs_sb)); else { +#else + { +#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */ server = tcon->ses->server; if (!server->ops->create_hardlink) { rc = -ENOSYS; @@ -704,10 +710,12 @@ cifs_symlink(struct user_namespace *mnt_userns, struct inode *inode, /* BB what if DFS and this volume is on different share? BB */ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) rc = create_mf_symlink(xid, pTcon, cifs_sb, full_path, symname); +#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY else if (pTcon->unix_ext) rc = CIFSUnixCreateSymLink(xid, pTcon, full_path, symname, cifs_sb->local_nls, cifs_remap(cifs_sb)); +#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */ /* else rc = CIFSCreateReparseSymLink(xid, pTcon, fromName, toName, cifs_sb_target->local_nls); */ |