diff options
Diffstat (limited to 'fs/smb/client/fs_context.c')
| -rw-r--r-- | fs/smb/client/fs_context.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c index 5381f05420bc..d7d2f6c607b5 100644 --- a/fs/smb/client/fs_context.c +++ b/fs/smb/client/fs_context.c @@ -185,6 +185,7 @@ const struct fs_parameter_spec smb3_fs_parameters[] = { fsparam_string("cache", Opt_cache), fsparam_string("reparse", Opt_reparse), fsparam_string("upcall_target", Opt_upcalltarget), + fsparam_string("symlinkroot", Opt_symlinkroot), /* Arguments that should be ignored */ fsparam_flag("guest", Opt_ignore), @@ -386,6 +387,7 @@ smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx new_ctx->iocharset = NULL; new_ctx->leaf_fullpath = NULL; new_ctx->dns_dom = NULL; + new_ctx->symlinkroot = NULL; /* * Make sure to stay in sync with smb3_cleanup_fs_context_contents() */ @@ -401,6 +403,7 @@ smb3_fs_context_dup(struct smb3_fs_context *new_ctx, struct smb3_fs_context *ctx DUP_CTX_STR(iocharset); DUP_CTX_STR(leaf_fullpath); DUP_CTX_STR(dns_dom); + DUP_CTX_STR(symlinkroot); return 0; } @@ -1727,6 +1730,16 @@ static int smb3_fs_context_parse_param(struct fs_context *fc, if (parse_reparse_flavor(fc, param->string, ctx)) goto cifs_parse_mount_err; break; + case Opt_symlinkroot: + if (param->string[0] != '/') { + cifs_errorf(fc, "symlinkroot mount options must be absolute path\n"); + goto cifs_parse_mount_err; + } + kfree(ctx->symlinkroot); + ctx->symlinkroot = kstrdup(param->string, GFP_KERNEL); + if (!ctx->symlinkroot) + goto cifs_parse_mount_err; + break; } /* case Opt_ignore: - is ignored as expected ... */ @@ -1735,6 +1748,13 @@ static int smb3_fs_context_parse_param(struct fs_context *fc, goto cifs_parse_mount_err; } + /* + * By default resolve all native absolute symlinks relative to "/mnt/". + * Same default has drvfs driver running in WSL for resolving SMB shares. + */ + if (!ctx->symlinkroot) + ctx->symlinkroot = kstrdup("/mnt/", GFP_KERNEL); + return 0; cifs_parse_mount_err: @@ -1867,6 +1887,8 @@ smb3_cleanup_fs_context_contents(struct smb3_fs_context *ctx) ctx->leaf_fullpath = NULL; kfree(ctx->dns_dom); ctx->dns_dom = NULL; + kfree(ctx->symlinkroot); + ctx->symlinkroot = NULL; } void |